CHINGA BOYS HIGH SCHOOLENGLISH DEPARTMENT.FORM 4 2019 AUGUST HOLIDAY ASSIGNMENTNAME…………………………………..ADMNO………………………….CLASS……1.Read the following poem and then answer the question that follow.Argument with God

My child was struggling for life in hospital,And I worried, tense and tried,Sat in silent prayer,In violent silence arguing with my God.God, I said,Why do you allow him to suffer so?Why him all the time?Why?God was silent!Not a word from him,Not a word!

Maybe I thought.God is angry with me.I’ll appease my GodI’ll promise to be good,Try and be good at least,Surely God would then respond, God, I pleaded.Please God.To be good is hard,But I’ll try.But

My child must live,Live free from pain,

GodYou know how I love him, don’t you?Don’t you? Don’t you? Don’t you?

ButGod is dumb:Like my childThen I said to myself,God is just,I’ll appeal for justice,

God, I called,Though you are silent,I am sure you hear me,Be fair, be justLet him live strong and happy.

Then

I saw on the wallA cockroach pregnant with egg,In the loins of labour,Bringing forth new life.

I snatched a newspaper,And hit the cockroach.

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It fell on its back,Struggling for life,And I crushed it

With the heel of my shoe.

All the time I was praying,Violently pleading for life,The life of my child.

Henry Barlow.

a. Who is the persona in the poem? (2 mks)

b. What is the poem about? (4 mks)

c. Identify the use of irony in the poem. (2mks)

d. How is God portrayed in the poem? (4 mks)

e. Maybe, I thought.God is angry with meI’ll appease my God.

Paraphrase the above lines. (3 mks)

f. What is the tone of the poem? (2 mks)

g. (i) Identify the stylistic device used in the second last line. (1 mk)

(ii) Explain the meaning of the following line. (2 mks)‘In violent silence arguing with my God.’

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2.Read the poem below and then answer the questions that follow.

When with prophetic eye I peer into the future

I see that I shall perish upon this road

Driving men that I do not know

This metallic monster that I now dictate,

This docile elaborate horse,

That in silence seems to simmer and strain,

Shall surely revolt some tempting day.

Thus I shall die; not that I care

For any man’s journey,

Nor for proprietor’s gain

Nor yet for love of my own

Nor for these do I attempt the forbidden limits

For these defy the traffic-man and the cold cell

Risking everything for the little little more.

They shall say, I know who pick up my bones,

(Poor chap another victim to the ruthless machine-

Concealing my blood under the metal

Thimothy

Wangusa

a) Briefly explain what the poem is about (3mks)

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b) What is the persona’s attitude towards his subject matter? (3mks)

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c) Explain the dorminant theme in the poem (2mks)

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d) Identify and illustrate two poetic styles used in the poem (4mks)

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e) Explain the meaning of the following words and phrases as used in the poem

i) Prophetic eye

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ii) Metallic monster

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iii) Nor for these do I attempt the forbidden limits (3mks)

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f) What is the mood in the poem? (3mks)

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g) What attributes of the persona does the poem reveal. (2mks)

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4. a) Rewrite the following sentences according to the instructions given after each. Do not

change the meaning. (5mks)

1 The bird flew up with its wings wide open (Begin: Up…)

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2 They received two thousand shillings as a present. (Begin: Two thousand………

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3 If you had paid him, he (help) you. (Rewrite putting the word in brackets in its correct

tense)

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4 We are leaving at five this afternoon. (Place the correct question tag)

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5 Gregory is looking for a job. He began looking for one six months ago. (Rewrite as one

sentence ending with …six months)

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b) Fill in the blanks with the appropriate prepositions.

(3mks)

1 This boy is unable to distinguish a verb ––––––– a noun

2 He complained ––––––– pains in his stomach

3 Janet has cultivated a taste ––––––– good music.

c) Fill the blank spaces using a few, few, a little, or little as appropriate. (3mks)

1 Our area has ––––––––– wild animals so you do not need to worry.

2 There is –––––––––– water in the taps. The pump has broken down.

3 I have –––––––––– milk in the house. I can give you some

d) Use the correct form of the word in brackets to fill the blank spaces. (2mks)

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i) The audience was offended by the –––––––––––– of the main speaker. (sense)

ii) The –––––––––––– of the captain made the school team win the match. (decide)

e) Replace the underlined words with an appropriate phrasal verb.(2mks)

i) The doctor was disappointed that the press people had refused to honor their agreement.

ii) The lecture was so dull that I couldn’t help dozing.

GRAMMAR

4. a. Rewrite the following sentences according to the instructions given. (5 mks)(i) Waiyaki did not go back to Siriana. (rewrite as a question)

(ii) The farmer fed the cows this morning. (change into passive voice)

(iii) I have never gone to Nairobi. (Begin: Never …………………)

(iv) The small boy was _______________ by a lorry. (run)(Use the verb in the brackets to form an appropriate phrasal verb to fill in the blank)

(v) The government warned the wananchi repeatedly but they insisted on drinking the illicit brew. (use ‘in spite of’)

b. Fill in the blank spaces with the correct preposition. (3 mks)

i. The twins divided the sweets _____________ themselves.

ii. Okonkwo shouted angrily ______________ Nwoye for misbehaving.

iii. The blind beggar had a cane ____________his hands.

a. The following sentences contain wrongly stated idioms. Correct the idioms. (3 mks) (i) We found out that the pretender was not worth his sugar.

(ii) During the riots, all hell broke open when the police came.

(iii) The greatest issue of contention in the proposed new constitution is the inclusion of the kadhis courts.

b. Underline the verbs used in the following sentences and indicate whether they are transitive or intransitive. (2 mks)

i. The fierce dog went for the thief.

ii. Old men and women strained their ears.

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c. Use the correct form of the word given in brackets. (2 mks) i. The teacher on duty ________ walked towards the dormitory when he heard students screaming.

(haste).ii. The whole story that the girl told her mother was incredulously __________ (believe)

The Guilty of Giving.Laban Erapu

You’ve seen that heap of ragsThat pollutes the air-conditionedCity Centre,That louse that creeps aboutIn the clean core of sophistication;You’ve seen him waylay his bettersAnd make them start –Especially when they have no change.

You recall the day you came upon himAnd were startled by his silent presenceIntruding into your preoccupation:You hurled a coinWhich missed the markAnd rolled into the gutterWhere he groped for itWith a chilling grotesque gratitudeThat followed you down the street.You dived into the nearest shopTo escape the stareOf the scandalized crowdThat found you guilty Of recalling attentionTo the impenetrable patienceThey had learnt not to see.

i) What is the meaning of the title? (2marks)

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ii) What does this poem describe? (2marks)

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iii) Explain the attitude of the poet towards the city people. (3marks)

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iv) Identify 3 words or expressions which reveal the poet’s feelings to city people. (3marks)

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v) Which device does the poet use to reinforce the theme? (4marks)

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vi) Which tone has the poet employed in this poem? (2marks)

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v) Explain the meaning of the following expressions.(4marks)a) that heap of rags.

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b) of the scandalized crowd.…………………………………….……………………………………………………………………….

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GRAMMAR

a) Rewrite the following sentences according to the instructions given after each (5marks)

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i) They gave him a present. (Rewrite beginning: A………………………….…….

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ii) Come here. (Add a question tag)

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iii) This secret is between you and……………………………….(I/me) (choose the correct pronoun).

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iv) You will use this money only in case of emergency. (Begin: Only…..

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v) The firemen took a long time to arrive at the scene of the accident.(Rewrite to remove the gender bias).

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b) Fill in the blank spaces with the correct form of the word in brackets. (5marks)

i) Swiss matches are known for their ……………………….. (precise)

ii) Such ………………..………….(repeat) is boring.

iii) The …………………….………(clear) of his speech was appreciated by all.

iv) The police said it was a strange………………………….…………(occur)

v) The ball ……………………………..(burst) yesterday.

c) Complete the following sentences using the appropriate phrasal verbs in the box. (5 marks)

Washed up get by Broken downpart with come up go over

i) The vehicle …………………….……………….. in the middle of the road .

ii) Nabuyo would be in trouble if this problem were to……………………….……… again.

iii) The cook ……………..…………………. the plates after dinner.

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iv) The miser could not ……………..……………….. any amount of money.

v) The teacher told me to……………………………… my work before handing it in for marking.

Read the narrative below and answer the questions that follow:

This thing happened long time ago when people first appeared on earth. One day, the people were told that if they didn’t want to die, they should send Chameleon with a fat piece of meat to take to the moon who would pass it to God. They were also told to give Lizard a hoe to take to the moon. Then, if Chameleon reached the moon with the fat piece of meat before Lizard with the hoe, the people would not die, but would live forever.

That day, the people never slept a wink. They stayed awake throughout the night and early the next morning. They sent Chameleon far ahead of Lizard. However, on the way, the temptation to taste the succulent appetizing piece of meat proved too great, so Chameleon stopped to taste a little meat. The meat proved to be tender and juicy and Chameleon ended up eating a chunk of it. The remaining piece that was to be taken to the moon became dirty, covered with soil. Once Chameleon realized that he was late, he lowered the meat down from his back and began to hurry, dragging it along. As Chameleon hurried along, all the other animals stared at him, sniggered and hid away. But of course, most of them have been envious of Chameleon for the important errand on which he had been sent. So they were happy to see that he had failed. By the time Chameleon reached the moon, with the dirty piece of meat, Lizard had already handed over to the moon and man thus lost the golden opportunity to acquire immorality. The moon chased away the Chameleon, and threw the dirty piece of meat after him. The hoe which Lizard carried was used by the Luo to dig graves and bury their dead. Death had been born.

Since that time Chameleon messed up the Moon’s gift meat, the type of death from which an individual would die is fixed right on the day of his or her birth! And initially death didn’t come secretly to human beings. Death just sent word to whoever he wanted to take away to get ready on a particular day. But since no one liked to die, people used to give death a hard time. He always had to chase one person for days, before he overpowered and caught him. People used all sorts of tricks to evade death, so he decided to come secretly and catch them unawares. That’s why human beings never know the date they die.

Questions:(a) With illustrations, classify the above narrative. (2mks)

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(b) Describe the character of the following as brought out in the narrative: (4mks)

(i) Lizard________________________________________________________________

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(ii) Chameleon ____________________________________________________________

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(c) Identify and illustrate three oral features that make the above an oral narrative. (3mks)

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(d) Give three functions of the narrative that you have identified in (a) above. (3mks)

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(e) Identify and illustrate two economic activities of the community from which this narrative is drawn.(4mks)

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(f) Explain the meaning of the following words and phrases as used in the narrative.(3mks)

(i) sniggered _____________________________________________________________

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(ii) immortality ___________________________________________________________

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(iii) succulent _____________________________________________________________

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(g) Mention any other one type of oral narrative. (1mk)

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8GRAMMAR

Change the following sentences into indirect speech. (2mks)

(a) (i) “You have cheated me for too long man,” blurted out the woman.

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(ii) “How much money do you owe me?” demanded the creditor from the debtor.

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(b) Add questions tags to the following statements. (2mks)

(i) She warned you right from the beginning ___________________________________

(ii) You will call in tomorrow ________________________________________________

(c) Change the following sentences into the active voice. (2mks)

Read the story below and then answer the questions that follow (20 marks)

Once upon a time, the Hare and Cock were great friends. They did everything together including living in one house. They would every morning leave for the forest and plains to look for food to feed their family members. And every evening they would arrive home, each with their spoil, if they had been lucky and at times with nothing at all.

Whichever the case, each one them would be exhausted at the end of the hunt. At home, their wives would make the meal and soon each one of them would be sound asleep.

However, on one night the hare woke up in the middle of the night so as to attend to the call of nature. When he looked at the Cock, he saw it standing on one leg, with his head invisible. This disturbed him a bit and for the next three nights, he woke up at the same hour to ascertain whether what he had seen was true or a hoax. But on each night he woke up, he found the Cock on one foot and presumably without his head. He then decided, the next morning on their way to the forest to ask his friend what happened to him every night because he always appeared transformed into a new image.

“I usually cut off my head and leg before going to sleep.” said the Cock. “Can you make me sleep like you? Without your head and leg?” inquired the Hare.“Sure, sure,” replied the excited CockIt was therefore agreed that the Cock would cut the hares head and legs the following night.

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All day long, the hare waited with anticipation for night to arrive so that he could be transformed into a new being like his friend, the Cock.The clock to him was not moving. After hours of waiting, evening arrived finding the hare in a very jovial

mood. He hurriedly ate the evening meal that Mrs. Hare served, so that he could experience sleeping without his legs and head. In the meantime, the Cock was sharpening a big matchet ready to chop off the hare’s head and legs.After his hearty meal, he came over and said to the Cock, “Here I am, ready to sleep without my head and

legs”Within minutes all was over. Mrs. Hare tried to wake up her husband to no avail. There was blood all over

the place and no heart beat. When she realized what had actually happened to her husband, she wailed in the darkness. On looking up at the Cock, she saw that he had raised his matchet to cut off her head and decided to run for her dear life never to be seen again.

The Cock was very happy and called Hen to chop the pieces which were cooked and the whole family happily feasted on for days.And that is why the saying goes “Curiosity killed the cat.”

(a) Classify the above narrative (2 marks) .........................................................................................................................................................................

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(b) Briefly describe the character of (i) the Cock (2 marks) .......................................................................................................................................................................

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................................................................................................................................................................... (ii) the Hare (2 marks) ...................................................................................................................................................................

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(c) Identify TWO oral features and explain their effect on the narrative ( 6 marks) .......................................................................................................................................................................

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(d) (i) State one economic activity evident in the narrative (1 mark)

...................................................................................................................................................... (ii) State One social activity evident in the narrative (1mark)

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(e) “Can you make me sleep like you?” (Rewrite in reported speech) (1mark)

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(f) “Curiosity killed the cat.” (i) Identify the above genre (1 mark)

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ii) Give the functions of the above genre in the narrative (2 marks)

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(g) What moral lesson do you learn from the narrative? (2 marks)

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GRAMMAR a) Rewrite the following sentences according to the instructions given after each (3 marks)

(i) Mary told her cousin that she had not heard from Cindy since she went to the U.S.A. (Rewrite using direct speech)

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(ii) I never saw the Minister help anyone in my country. (Rewrite beginning: Not once................

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(iii) The policeman who manned the police post was responsible for the loss of the goods. (Rewrite the sentence using gender sensitive language

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(b) Choose the correct word from the words in brackets

(i) Shall we take a ...................................(candlestick, candle stick) and some candles in case our batteries die?

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(ii) I live in the .........................................(country side, countryside)

(iii) They all enjoyed the meat at…………………… (lunch time, lunchtime) when they were treated to special lunch.

(c) Rewrite the following sentences with the correct phrasal verbs to replace the underlined words.

i) Joyce could not tolerate her nephews’ behaviour.

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ii) The form three student bullied the new student

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iii) The Senator was forced to resign from his post when he was accused of misappropriating funds

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(d) Explain the meaning of the following idiomatic expressions.

(i) His matatu is the goose that lays for him

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(ii) She is the apple of her father’s eye

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(e) Correct the misspelt words in the paragraph below.

The whitewashed walls and the welcoming guerds at the main gate are fust a venear beneath a story of negligance and a peverding motif of grim. (4 marks)

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...................................................................................................................................................................Read the poem below and answer the questions that follow..

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ONCE UPON A TIME

Once upon a time dear son

They used to laugh with their hearts

And laugh with their eyes, but now they only

Laugh with their teeth

While their ice-cold-block-eyes

Search behind my shadow

There was a time indeed

They used to shake hands with their hearts

But that’s gone son

Now they shake hands without hearts

As their hands search my empty pockets

‘feel at home’, ‘come again’

They say but when I come

Again and feel at home, once, twice

There will be no thrice

For then I find the doors shut on me.

So I have learned many things, son

I have learned to wear many faces

Like dresses, home face, office face,

Cocktail face

With all their conforming smiles

Like a fixed portrait smile

And I have learned too

To laugh with only my teeth

And shake hands without my heart

I have also learned to say ‘Goodbye”

When I mean ‘Good riddance’

To say ‘Glad to meet you’

Without being glad: and to say ‘it has been

Nice talking to you’ after being bored

But believe me son I want to be what I used to be when I was like you

I want to unlearn these muting things

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Most of all, I want to re-learn

How to laugh, show me how

I used to laugh and smile

Once upon a time when I was like you

Questions

a) Who is speaking in the poem? (2mks)

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b) What is the poem about? (3mks)

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c) Identify any two images that emphasise what the persona is saying. (2mks)

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d) Explain two poetic devices used in the poem (4mks)

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e) Explain the following lines as used in the poem (4mks)

i) Like fixed portrait smile

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ii) I want to unlearn these muting things

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iii) Laugh with their teeth

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iv) Laugh with their eyes

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f) What is the relationship between the persona and the son? (2mks)

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g) Describe the tone of the poem? (2mks)

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h) Suggest an alternative title to the poem (lmk)

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GRAMMAR

A. Use the correct form of the words given in the brackets to fill the gaps

i) The old man ……………………………escaped from the accident. (miracle)

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ii) He failed due to his …………………………….(able) to understand the question.

..……………………………………………………………………………………………

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iii) The PM was popular for his ……………………………….character. (conscience)

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iv) The children played …………………………during the party. (merry) (4mks)

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B. Replace the underlined word with a suitable phrasal verb formed from the word

provided in the brackets. (5mks)

i) We must remove the cause of the trouble(deal)

..……………………………………………………………………………………………

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ii) They sat up till midnight discussing their plans for their holiday. (talk)

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iii) How many people attended the meeting? (turn)

..……………………………………………………………………………………………

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iv) He did his best to follow the principles of his religion. (live)

..……………………………………………………………………………………………

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v) The news about the death of his wife so shocked him that he immediately

fainted. (pass)

..……………………………………………………………………………………………

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C. Construct two sentences to give two meanings of each of the following words. (6mks)

i) Fan

..……………………………………………………………………………………………

………………………………………………………………………………………………

ii) Bow

..……………………………………………………………………………………………

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iii) Book

..……………………………………………………………………………………………

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SHULE YA UPILI YA WAVULANA CHINGAKAZI YA LIKIZO AGOSTI 2019KISWAHILI KIDATO CHA NNE

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JINA: ……………………………….……………………. NAMBARI. ………… KIDATO …..

1. Eleza jinsi maudhui ya umaskini yalivyoshughulikiwa katika Diwani ya Tumbo lisiloshiba

ukirejelea

hadithi zozote tano. (Mifano 8 kwa kila hadithi).

2. Fafanua matatizo yanayowakumba vijana ukirejelea hadithi zozote 5 kutoka Diwani ya tumbo

lisiloshiba (NB: Angazia hizi: Ndoto ya mashaka, Mame Bakari, Mapenzi ya kifaurongo,

Shogake Dada ana ndevu).

3. Shughulikia maudhui ya ubadume ukirejelea;

Mama Bakari na Masharti ya kisiasa.

4. “Hebu sikiza jo! Pana hasara gani nzi kufia kidondani?”

Eleza hasara iliyomfikia msemaji katika dondoo huku ukirejelea hadithi nzima.

CHINGA BOYS HIGH SCHOOLAUGUST HOLIDAY ASSIGNMENT 2019

MATHEMATICS FORM FOUR

SECTION A: 50 MKS1. Use mathematical tables only to evaluate the following. (4 mks)3√sin 45+0.954

13 . 42+1. 4282

2. A rectangle with coordinates A(3, 0), B(3, -6), C(1,-6) and D(1, 0) undergoes the transformation

represented by the matrix

(0(2

(2)0¿

), find the area of the transformed figure. (3 mks)

3. If

949

x2− 314

x+ 38+ A

is a perfect square, determine the value of A. (3 mks)

4. The diagonals of a rhombus are 8cm, and 12cm long. Find the length of the sides of the rhombus.

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(2 mks)

5. Make y the subject of the formula V =

3√ ayx2

w− y (3 mks)

6. Use matrix method to solve the following simultaneous equations. (3 mks)

5x + 7y = 14x + 5y = 2

7. The figure below shows a circle, centre O of radius 7cm. TP and TQ are tangents to the circle at points P and Q are respectively. OT = 25cm. Calculate the length of the chord PQ. (3 mks)

8. The sum of the first five terms of an arithmetic progression is 97.5 and the sum of the first twelve terms of the arithmetic progression is 213. Find the first term and the common difference

(3 mks)

9. Two blends of tea costing sh. 35 and 40 per kg respectively are mixed in the proportion of 3:4 by weight. The mixture is sold at sh. 60 per kg. Find the gain per cent. (3 mks)

10. When a certain sum of money is decreased by 30% it becomes sh. 10,290. Find how much it will become when it is increased by 30% and deposited in a bank for 3 years at 12.5% compound interest. (3 mks)

11. An aircraft takes off from an airport situated at (00, 670E) and files due west for a distance of 4800 Nautical miles. What is its new position. (3 mks)

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12. Solve the equation cos (3Ɵ-120)=√32 (3

mks)

13. Determine the percentage error for using 0.67 as an estimate of 2/3. (3 mks)

14. A quantity P is partly constant and partly varies inversely as a quantity q. given that p=10 when q=1.5 and p=20 when q=1.25, find the value of p when q=0.5. (4 mks)

15. (a) Using binomial expansion, expand (1+x)10 up to the term in x6. (1 mk)

(b) Using your first four terms of the expansion, estimate (0.9)10 to 4 decimal place. (3 mks)

SECTION B: (50 MKS)16. The table below shows the distribution of marks gained by 200 candidates in a geography examination. Mark 0-9 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99No of candidates

10 16 32 52 40 22 10 6 8 4

(a) Calculate the median marks (3 mks)

(b) Using 44.5 as an assumed mean, calculate(i) The mean for the grouped marks. (3

mks)(ii) The standard deviation. (4

mks)17. Triangle ABC is such that AB=10cm, <BAC=520 and <ABC =380, construct triangle ABC.

(2 mks)

(a) Indicate the locus of P such that the area of triangle APB is 20cm2. (2 mks)

(b) Indicate the locus of Q such that Q is equidistant from CA and CB. (2 mks)

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(c) A point X is such that the area of AXB is 20cm2 and equidistant from CA and CB. Mark the point X clearly on your diagrams.

(2 mks)(d) Locate the locus of Z such that <AZB = 720 and lies on the locus of P. (2

mks)

18. A bag contains 10 red balls and 5 green balls. One ball is drawn out of the bag at random and not replaced. (a) Draw a tree-diagram to represent the probability of the events for 3 consecutive draws. (2 mks)(b) Find the probability that:(i) The three balls drawn are red. (2 mks)(ii) At least two ball drawn are green. (3 mks)

(iii) At most two balls are red. (3 mks)

19. The table below shows monthly income tax rates.Monthly taxable pay in k£ Ksh. Per k£1-325 2326-650 3651-975 4976-1300 51301-1626 61626 and over 7

A civil servant earns a monthly salary of sh. 18,000 and is provided with a house at nominal rent of sh. 1,000 per month. He claims a family relief of 1162 per month.

(a) Calculate the employees taxable pay in k£ per month. (3 mks)

(b) Calculate the net tax. (3 mks)

(c) Calculate his net monthly salary. (2 mks)

(d) If there is an increase of 10% on salary, determine the corresponding percentage change in tax.

(2 mks)

CHINGA BOYS’ HIGH SCHOOL.

AUGUST HOLIDAY ASSIGNMENT.

22

FORM 4 BIOLOGYClassification 1

1. Give two characteristics that distinguish scientific names of organisms from the ordinary names

1. (a) In which kingdom do bacteria belong?2. (b) I which kingdom do peniciilium belong?3. Name the branch of Biology that deals with the study of animals

(a) What is meant by the term taxonomy?(b) The scientific name of a rat is Rattus norvegicus

Write the name correctlyIdentify the genus and species names

2. The cell – structure & functions of organelles.1. Name the organelles that perform each of the following functions:a) Digestion and destruction of worn out organelles.b) Osmoregulation2. Explain why the following processes are important during the preparation of temporary slides (a) Staining(b) Use of a sharp cutting 3. In a class experiment to establish the size of an onion cell, a leaner observed the following onthe microscope field of view.

If the student counted 20 cells across the diameter of this field of view, calculate the size of onecell in micrometers.4. State the functions of the following cell organelles: (a) Nucleolus.

(b) Plasma membrane 5. What is the of nucleus of a cell made up of?6. (a) In a laboratory exercise a student observing a drop of pond water under a microscope saw

and drew a spirogyra. If the magnification of the eye-piece was x5 and that of the objective lens

was x100, what was the magnification of the spirogyra?

(b) If the spirogyra has a length of 5cm at the above magnification, calculate the actual length in

micrometers

7. Identify the structures of the cells that perform the following functions:-

(a) Synthesize ribosomes(b)Regulate exchange of substances in and out of the nucleus8. (a) State the roles of enzyme catalase in living cells (b)Which factor inactivates enzyme?9. The figure below represents a certain cell organelle:-

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(a) (i) Identify the cell organelle (ii) What is the function of the part labelled A

10. (a)Name the organelles that perform each of the following functions;(i) Osmoregulation in amoeba(ii) Carries out digestion and destruction of worn out cell organelles (iii)State three properties of the cell membrane

11. The diagram below represents a plant cell

(a) Name a compound which forms part of the structure labelled S(b) State two functions of the part labelled R(c) Name two structures present in the diagram but absent in the animal cell11. What do you understand by the following termsa) Anatomy b)Biochemistry12. State the function of the following parts of a cella) Ribosome b)Chloroplasts13.What is the formula for calculating linear magnification of a specimen when using a hand lens

14. State the function of the following cell structures:- ( a) Ribosome (b) Centrioles ;15. Distinguish between the following terms :-a) Magnification and resolution of a microscopeb) Mounting and staining of a specimen17. Name the organelle that performs each of the following functions in a cell.(a) Transport of packaged glycoproteins(b) Destruction of worn out cell organelles(c) Synthesis of proteins18. What are the functions of the following parts of a light microscope?(a) Eye piece lens(b) Condenser(c) Diaphragm3. Cell Physiology – Osmosis, Diffusion and Active transport.1. Two equal strips A and B were from a potato whose cell was 30% of sugar. The strip A wasplaced in a solution of 10% sugar concentration while B was placed in 50% sugar concentration

a) What change was expected in strip A and Bb) Account for the change in strip A2. An experiment was set-up as shown below and left for one hour

24

(a) State the expected result at the end of one hour(b) Explain the observations made in this experiment 3. State what would happen in each of the following:-(a) A plant cell placed: (i) Strong salt solution

(ii) Distilled water4.Potato cylinders were weighed and kept in distilled water evernight. They were thenreweighed.

2.5 gm 2.4 gm 2.7 gm 3.0 gm 3.1gm 3.2 gmBefore the experiment After the experiment

a) Calculate the average mass of a potato cylinders after reweighing. Show your working.b) Explain why mass of the cylinders hand increased.

5. The diagrams below show a red blood cell that was subjected to a certain treatment.

a) Account for the shape of the cell at the end of the experiment.b) Draw a diagram to illustrate how a plant cell would appear if subjected to the same treatment6. The two cells shown below are obtained from two different potato cylinders which wereimmersed in tow different solutions P and Q.

a) i) Name the structure labelled A.ii) State the function of structure B.

b) If eight of cell I were observed across the diameter of the filed of view of 0.5 mm.Work out the actual diameters of each cell in micrometers.

c) Suggest the identity of the solution Q.d) Account for the change in cell I above.e) State any one importance of the physiological process being demonstrated above in animals.

4. Nutrition in (a) plants (b) animals

25

1. The chemical equation below represents a physiological process that takes place in livingorganisms:C6H12O6 + C6H12O6 C12H22O11 + Q(a) Name the process R(b) Name the substance Q2. (a) A leaf of a potted plant kept in darkness for 48hours was smeared with Vaseline jelly then

exposed to sunlight for 8hours. Explain why the test for starch in the leaf was negative(b)Name two other processes that were interfered with in the plant

4. What are the two functions of bile salts during the process of digestion?

5. State three adaptations of aquatic plants to photosynthesis

6. (a) Name the component of a persons diet that is essential for peristalisis(b) Give two groups of food which are reabsorbed along the mammalion digestive system without undergoing digestion

7. State three roles of light in photosynthesis8. State two ways in which the guard cells differ their adjacent epidermal cells9. What is the role of bile in digestion

10. (a)What is peristalsis?(b) Explain how the process above is brought about.

10. The diagram below represents a cell

(a)State the role of y(b) name part labelled x11. (a) the role of emulsification in the digestion of fats in the alimentary canal

(b) What is the function of hydrochloric acid in the alimentary canal12. Briefly explain the effect of poisoning the roots hair on the uptake of nitrate by plants

13. State two ways in which guard cells differ from other epidermal cells

14. Briefly explain the fate of the following products from the light stage of the process of

photosynthesis: hydrogen ,Oxygen and energy

CHINGA BOYS HIGH SCHOOLFORM 4 AUGUST HOLIDAY PHYSICS

1. Figure below shows the main features of cathode ray oscilloscope (C.R.O)

a) (i) Name the parts labeled A and B. (2 marks)

(ii)State the function of B and briefly outline how it works. (2 marks) (iii) State two function of the anodes. (2 marks)

26

b) The output of an a.c generator was connected to the input of the cathode ray oscilloscope whose time base settling was 5 milliseconds per centimetre and the y-gain at 10 volts per centimetre, the figure below shows the waveform displayed on the screen of the C.R.O.

Determine

(i) The park voltage of the generator. (2 marks)(ii) The frequency of the voltage (2 marks

2. a) Define the term half-life of a radioactive material. (1 mark) b)Figure 11 below shows a decay of a certain element. The diagram is drawn to scale.

From the graph find.

i) Half-life of the element (1 mark)ii) Number of half-lives undergone when the count rate is 10 atoms. (2

marks)iii) The following is part of a radioactive decay series.

Determine the value of ‘a’ and ‘b’. (2 marks)

3. Define the term photoelectric effect. (1 mark) b) In an experiment to find relationship between frequency of radiation and kinetic energy of photoelectrons in a photoelectric device, the following graph was obtained. Use the graph to answer the following questions.

i) Determine the threshold frequency.(1 mark)ii) Find the plank’s constant h. (Take the charge of an electron to be 1.6 x 10-19C)iii) Calculate the work function of the metal in joules. (2 marks)a) The threshold frequency of sodium is 4.8 x 1014Hz. Calculate the work function of

sodium. (Take the plank’s constant to be 6.6 x 10-34JS) (2 marks)

27

4. a) State Lenz’s law of electromagnetic induction. (1 mark) b) A transformer with 2000 turns in the primary circuit and 150 turns in the secondary circuit has its primary circuit connected to a 800V a.c source. It is found that when a heater is connected to the secondary circuit, it produced heat at the rate of 1000W. Assuming 100% efficiency, determine the

i) Voltage in the secondary circuit. (2 marks)ii) Current in the primary circuit. (2 marks)iii) Current in the secondary circuit. (1 mark)iv) State the type of transformer represented above. (1 mark)

b) (i) State the reason why long distance power transmission is done at a very high voltage and using thick cables. (1 mark) (iii) Calculate the cost of using the following appliances in one month (30 days ) if the company rate is ksh. 9.50 per unit. (2 marks) I A 2000W water heater for 2 hours per day. II A 75W bulb for 10 hour per day. III A 1500W electric iron for 1 hour per day.5. a) Define capacitance. (1 mark) b) Figure 12 shows three capacitors of capacitance 3μҒ, 2μҒ, 6μҒ and 12V supply connected in a circuit.

Calculate i) The total capacitance of the circuit. (2 marks)ii) The charge stored in the circuit. (2 marks)iii) The potential difference across the 2 μҒ capacitor. (2 marks)

C i) State Ohm’s law. (1 mark) Study the circuit diagram shown below.

28

(ii) Determine the reading of the voltmeter V. (2 marks) (iii) Determine the reading of the ammeter A. (2 marks)6. a) A student connected a circuit as shown in figure 13 below hoping to produce a rectified output.

i) Sketch the graph of the output on the CRO screen. (1 mark) ii) Explain how the output above is produced. (2 marks) iii) Name other two uses of a junction diode. (2 marks)b) Figure 14 shows circular waves approaching a concave reflector.

Show the reflected waves. (2 marksc) Figure 15 shows the set up used to demonstrate interference of sound

i) An observer O, moves along XY.

State the observation(s) made. (1 mark) (ii) State what would be observed if a cathode ray oscilloscope is moved along line XY. (1 mark)

(iii) What will a student hear if he moves along the line OC? (1 mark)

29

F o F

7. a. i) Distinguish between thermionic emission and photoelectric emission. (2marks)ii). State one factor which affects the rate of each of the above types of emission.

(2marks)b) Sodium has a work function of 2.3 ev. given that planck’s constant, h=6.63 x10−34 Js ,velocity of

light in vacuum c=3.0 x 108 ms,

1 ev=1.6 x 10−19 c and mass of an electron

mc=9.1 x10−31kg ,calculatei) Its threshold frequency (2marks)ii) The maximum velocity of the photoelectrons produced when the sodium is illuminated by light of

wavelength 5.0 x10−7m (4marks)iii) The stopping potential V, with the light of this wavelength. (2marks)

8. Figure 6 shows an object placed 5cm in front of a convex lens whose focus length is 10cm.

Fig 6a) On the same figure, draw a ray diagram to show the position of the image formed. (3marks)b) Use the ray diagram to determinei) The image distance

(1mark)ii) The image size

(1mark)iii) The magnification

(2marks)

30

A

6v

1F

12F C 2F B

+P

9. a) Explain how a negatively charged electroscope gets discharged when the cap is touched with a

finger. (2marks)

b) Figure 7 shows capacitors A, B and C connected as shown with a battery if e.m.f 6v and zero internal resistance

Determinei) The effective capacitance of the circuit. (3marks)ii) The potential difference across 12μF capacitor

(3marks)iii) Change stored in 1μF capacitor.

(3marks)c) Figure 8 shows an isolated positive point charge P

On the figure, sketch the electric field pattern around the charge. (2marks)10. a) State one difference between electromagnetic waves and mechanical waves.

(1mark)

31

05 10 15

Am

plitude (cm)

Time (x 10-2sec)

X

YS1

S2

d

G

N S

Direction of motion

b) The wave shown in figure below has a velocity of 200m/s

Fig 9Determine

i) The period T of the wave (1mark)

ii) The frequency of the wave.(2marks)

iii) The wavelength of the wave. (3marks)

c) Figure 10 below shows two rays of monochromatic light incident on two adjacent slits S1 and S2

Fig 10State what is observed on the screen when the:

i) Distance X is increased. (1mark)

Slit separation, d is reduced. (1mark)

White light is used. (1mark)

11. a) A bar magnet is moved into a coil of insulated copper wire connected to a centre-zero galvanometer as shown in figure 11 below.

32

Fig 11i) Show on the diagram the direction of induced current in the coil.

(1mark)ii) State and explain clearly what is observed on the galvanometer when the magnet is moved into and then withdrawn from the coil.

(4marks)b) A transformer has 800 turn in the primary and 40 turns in the secondary winding. The alternating e.m.f connected to the primary is 240v and the current is 0.5A.

Determine The secondary e.m.f (3marks)

The power in the secondary if the transformer is 95% efficient. (2marks)

c) Explain how energy losses in a transformer are reduced by havingi) A soft-iron core

(1mark) A laminated core.(1mark)

HISTORY PP1Form four august 2019 assignment

SECTION A (25MARKS)Answer ALL the questions.

1. What was the basis of the political organization of pre-colonial African communities in Kenya before colonial rule?

(1Mark)2. Give the main reason why the Arabs were interested in the Kenyan coast.

(1Mark)3. Name the major export from the Kenyan coast by 1500.

(1Mark)4. Identify two economic activities which the Maasai acquired as a result of interacting with

the Agikuyu during their settlement in Kenya.(2Marks)

5. Give two factors which influenced the Abaluyia to become farmers by the beginning of the 19th century.

(2Marks)6. Give two reasons why rivers were not used as a means of transport in Kenya during the

colonial period. (2Marks)

7. Give two reasons why the Africans were denied equal educational opportunities with other races during the colonial period.

(2Marks) 8. What incident prompted the declaration of the state of emergency in 1952?

(1Mark)

33

9. What was the main problem facing African traders in colonial Kenya?(1Mark)

10. Identify two types of parliamentary committees in Kenya in parliament.(2Marks)

11. Name two social basic problems that the government of Kenya has tried to solve since 1963.

(2Marks)12. Name two occasions when the president always attends the National assembly.

(2Marks) 13. Give one reason why parliament is regarded as supreme.

(1Mark) 14. Name the treaty which marked the colonial spheres of influence in East Africa in 1886.

(1Mark)15. Give one function of the judiciary in Kenya.

16. Name the process through which the citizens of Kenya would vote to either, adopt or reject a proposed constitution.

(1Mark)17. Name the first British commissioner who declared Kenya a British protectorate during

the 1895.

SECTION B (45 MARKS)Answer any THREE questions

18. a) What were the reasons for the construction of the Kenya Uganda railway during the colonial period?

(3Marks)b) Explain six effects of the construction of the Kenya Uganda railway.(12Marks)

19. a) Why did the Nandi resist British invasion of their territory between 1896 – 1905.(5Marks)

b) Explain five factors which enabled the Nandi to resist the British invasion for a long time.

(10Marks)20. a) List three factors that facilitated urbanization in colonial Kenya.

(3 Marks)b) Explain six reasons as to why Africans moved to urban centres. (12 Marks)

21. a) State five roles played by the Kenya federation of labour during the colonial period(5 Marks)

b) Explain five ways through which Thomas Mboya contributed to the struggle for Independence in Kenya

(10 Marks)

34

SECTION C (30MARKS)Answer any TWO questions

22. a) Give five advantages of written constitution.(5 Marks)

b) Explain five features of the Kenyan constitution.(5 Marks)

23. a) Why are general elections conducted in Kenya every five years?(5 Marks)

b) Describe the circumstances which may lead to a by-election in Kenya.(10 Marks)

24. a) Give five symbols of National unity in Kenya.(3 Marks)

b) Explain six factors which undermine national unity in Kenya.(10 Marks)

HISTORY PP2Form four august 2019 assignment

SECTION A (25 MARKS)Answer ALL the questions

1. State one characteristic of Homo Sapiens.(1 Mark)

2. State two similarities between early agriculture in Mesopotamia and Egypt.(2 Marks)

3. Give two ways in which industrial Revolution contributed to European expansion to Africa.(2 Marks)

4. Identify the main aim of Berlin conference between 1884 and 1885.(1 Mark)

5. Name one African leader who was one of the founder of Non-aligned movement.(1 Mark)

6. State two economic ways in which the Treaty of Versailles signed in 1919 affected Germany.(2 Marks)

7. State two demerits of oral sources of history.(2 Marks)

8. Identify the main method of trade in Africa during pre-colonial period.(1 Mark)

9. State two functions of the Lukiiko of Buganda Kingdom during the pre-colonial period.(2 Marks)

10. Which organization was formed in 1994 to re-place the Preferential Trade Area?(1 Mark)

35

11. State one result of the wheel among Sumerians.(1 Mark)

12. State one factor that facilitated the growth of Asante kingdom.(1 Mark)

13. State one contribution of Christian Benard of South Africa in the field of medicine. (1 Mark)

14. Other than personal assimilation, state two other forms of assimilations.(2 Marks)

15. State two social reasons for the coming of Europeans to Africa in the 19th Century.(1 Mark)

16. State two advantages of a cinema. (2 Marks)

17. Name two sources of the British labour force in the industries during the 18 th and 19th

centuries.(2 Marks)

SECTION B (45 MARKS)Answer any THREE questions from this section

18. a) State five reasons why African leaders collaborated with the Europeans.(5 Marks)

b) What led to the downfall of Samori Toure after keeping the Frenchmen at bay for 15years.(10 Marks)

19. a) Why did the British use indirect rule in Northern Nigeria.(5 Marks)

b) Explain five factors that favoured the success of FRELIMO nationalists during their struggle for independence in Mozambique.

(10 Marks)

20. a) What are the advantages of use of metal over stone as a material for making tools.(5 Marks)

b) Explain five ways through which the development of iron technologically affected Africans communities in the pre-colonial period.

(10 Marks)

21. a) State five disadvantages of open field system in Europe before the Agrarian revolution.(5 Marks)

b) Explain the effects of agrarian revolution in Europe. (10 Marks)

SECTION C (30MARKS)Answer any TWO questions from this section

36

22. a) What were the aims of UNO at its inception?(3Marks)

b) Explain six problems that UNO has faced in its effort to achieve world peace.(12Marks)

23. a) State three characteristics of British direct rule as applied in Zimbabwe.(3Marks)

b) Explain six factors which contributed to the rise of Japan as an industrial power after the Second World War.

(12Marks)

24. a) What were the causes of the 1st world war (1914 – 1918). (5Marks)

b) Explain the results of the 1st World War. (10Marks)

CHINGA BOYS HIGH SCHOOL

AUGUST HOLIDAY ASSIGNMENT 2019

AGRICULTURE FORM FOUR

PAPER 1

SECTION A ( 25 Marks)

1. State four effects of high temperature on crop production.

(2mks)

2. Outline four farming practices carried out to minimize tillage cultivation. (2mks)

3. Differentiate between a dam and a weir. (1mk)

4. State four problems associated with the use of organic manure in crop production. (2mks)

5. Mention four information’s which should be kept by the farmer in health record. (2mks)

6. List four sources of soil acidity in the soil. (2mks)

7. State two advantages of cutting back in a crop of pyrethrum. (1mk)

8. Give two disadvantages of using a mixed cropping system in crop production. (1mk)

9. State four factors that influence mass wasting. (2mks)

10. Mention four cultural practices used in controlling weeds in crop production. (2mks)

37

11. State three ways by which a farmer can control the maize stalk borer in the field. ( 1 ½

mks)

12. Give three reasons why bulbils are the most preferred materials used in crop propagation.

( 1 ½ mks)

13. State four reasons why maize for silage making is harvested at milk stage. (2mks)

14. a) What is the importance of land register in land adjudication and registration process.

(1mk)

b) State two conditions that lead to sub-division of Agricultural land. (1mk)

15. State two ways in which the Government can influence Agriculture. (1mk)

16. Mention three conditions which a farmer should fulfill in order to be credit worth. (1 ½

mks)

17. State four ways in which farmers can improve labour productivity on their farms. (2mks)

18. Give three examples of Agro-forestry trees used as forage. ( 1 ½

mks)

SECTION B

19. Study the weed below and answer the questions that follow.

38

a) Identify the weeds.

A: …………………………………………………… ( ½ mk)

B: …………………………………………………… ( ½ mk)

C: …………………………………………………… ( ½ mk)

D: …………………………………………………… ( ½ mk)

b) State 2 reasons why weed A is successful to survive on the farms. (2mks)

c) Why is weed C very difficult to control on the farm. (1mk)

d) State four ways which the above weeds affect maize crops on the farm. (2mks)

20. a) Below are drawings of Irish potato tubers after being subjected to some conditions in

preparation for planting

39

L1 L2

Before subjecting After subjecting

to the conditions to the conditions

(i) Which process of potato treatment is illustrated above. (1mk)

(ii) State two conditions necessary for the above process. (1mk)

(iii) Give two reasons of carrying out the above practice. (2mks)

b) (i) Identify the crop represented by the diagram below. (1mk)

(ii) Name two serious pests and diseases in each case which can attack the above named

crop in the field.

(2mks)

Diseases

Pests

(iii) Name two methods used in controlling birds in the field planted with the above

named crop.

(2mks)

21. Below is a list of transactions of Namanjalala farm.

1. On 6th , sold sales for cash at shs. 1,800/=

2. Feb. 10th bought 3 heifers by cheque at shs. 9,000/=

3. Feb. 14th sold milk worth shs. 1,500/= and posted the money in the bank.

4. Feb. 25th purchased cabbage seedlings in cash at shs. 200/=

40

Post the above transaction in Namanjalala farm journal below. (4mks)

Date Ledger Ledger folio

DRShs Cts

CRShs Cts

SECTION C

22. Describe the harvesting of

a) Sugar cane

b) Coffee, under the following sub-headings.

(i) Stage of harvesting

(ii) Precautions when harvesting.

(20mks)

23. a) Describe the factors to consider when selecting a farm enterprise .

(15mks)

b) State the procedure used in soil sampling. (5mks)

24. a) Define the term ‘partial budget’. (2mks)

b) A farmer has 20 acres of land, 5 acres of which are under a permanent cash crop

(Tea). Of the remaining 15, atleast half must be resting at any one time. This year, the

farmer intends on using 6 acres on cotton. With the previous cotton crops the farmer

hired casual labour at the rate of 40 men days per acre at the rate of Kshs.50/= per Man

day. The farmer is considering replacing casual labour with a hired tractor (combine)

41

doing the work for Ksh. 2000/= per acre. The farmer anticipates that using the tractor

will cause an increase in average cotton yield from 500kg to 600bg seed cotton per acre

worth Kshs.30/= per kg from better cultivation and more timely planting. Harvesting

costs are Ksh.50/= per 100kg seed cotton. Prepare a partial budget and advice the farmer

whether the change is worthwhile or not.

c) Explain agricultural support services available to farmers. (8mks)

PAPER 2 Answer ALL the questions in this section in the spaces provided.

1. List down TWO classes of cattle breeds based on their place of origin. (1 mk)

2. What is Hybrid vigor or heterosis in breeding? (1 mk)

3. Give TWO maintenance practices carried out on a claw hammer. (1 mk)

4. State FOUR major routes of administering vaccines in a day old chicks. (2

mks)

5. State TWO disadvantages of embryo transplant in livestock breeding. (1 mk)

6. State FOUR reasons of spreading polythene paper on the slab of farm building. (2mks)

7. Give FOUR functions of Vitamin A in the body of an animal. (2

mks)

8. State TWO practices of maintaining a tractor battery. (1 mk)

9. Outline FOUR factors that would determine the use of a Jembe instead of a disc plough

in primary cultivation. (2

mks)

10. Give FOUR microbial activities that take place in the rumen of a cow. (2mks)

11. Give FOUR management practices that should be carried out during the mating season in

sheep.

(2

mks)

12. State the differences between a vector and an intermediate host in livestock production.(1

mk)

42

13. Give TWO factors that contribute to the depreciation of farm equipment.

(1 mk)

14. State TWO safety precautions taken when using workshop tools. (1 mk)

15. Mention TWO reasons of treating timber before roofing farm buildings. (1 mk)

16. State FOUR control measures of tapeworms in livestock. (2

mks)

17. Give FOUR reasons for maintaining farm tools and equipment. (2

mks)

18. Give FOUR factors that should be considered while siting an apiary for the bees. (2

mks)

19. Give any FOUR factors that may influence the pulse rate of a sheep apart from a disease.

(2 mk

20. a) Mention TWO reasons for taking the birth weight of piglets immediately after farrowing.

(1 m

b) Give one reason why piglets are given iron at birth. (1 mk)

SECTION B (20 Marks)

Answer ALL the questions in this section in the spaces provided.

21. Diagrams J and K below illustrate farm tools.

a) Identify tools J and K (1 mk)

b) State one function of tools J and K (2

mks)

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22. a) The diagram below shows the part of a fertile egg. Use it to answer the questions that

follow.

(i) Name the parts labeled M and L. (1 mk)

(ii) What is the function of the parts labeled M. (1 mk)

b) Give THREE advantages of natural incubation. (3

mks)

c) Give THREE conditions that reduce the quality of eggs for hatching. (3

mks)

23. a) Below is a diagram of a fish pond. Use it to answer the questions that follow.

(i) Label the parts marked G and H (1 mk)

G:

H:

(ii)Give a reason why part J is usually deeper than the rest of the pond. (1 mk)

b) Name TWO maintenance practices of a fish pond. (2

mks)

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M

c) State TWO importance of fish farming. (2

mks)

24. Study the diagram below and use it to answer the questions that follow.

a) Identify the implement illustrated above. (1 mk)

b) State one field condition where the implement is most suitable. (1 mk)

c) Outline one major maintenance practice to be carried out on the implement.

(1 mk)

SECTION C (40 Marks)

Answer any TWO questions in this section.

25. a) Describe the reasons why bees may abscord from a beehive. (10

mks)

b) Describe the factors considered in siting farm structures on the farm. (10

mks)

26. a) Explain the limitations of tractor power in farm mechanisation. (10

mks)

b) Describe factors to consider when selecting construction materials on the farm. (10

mks)

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27. a) Describe the life cycle of a Three – Host – Tick. (8

mks)

b) Explain measures used to control livestock diseases. (12

mks)

PAPER 1

SECTION A (30 MARKS)

Answer all the questions in this section in the spaces provided.

1. Give four factors which characterize large scale farming. (2

marks)

2. State any four effects of rainfall on Agriculture. (2marks)

3. Give two disadvantages of landlordism tenancy tenure system as practiced in Kenya (1mark)

4. Give two reasons for adding well rotten organic manure to a compost heaps. (1marks)

5. i) Why is it advisable to apply straight nitrogenous fertilizer to a crop of maize at a height of

30-45cm?

(2marks)

ii). Suppose the farmer has to apply 30kg P2O5 per hectare and has the following at his

disposal

21:15:60.

Calculate the amount of P205 he will require for 2 hectares.

(2marks)

6. How does proper spacing reduce pests and diseases in crops?

(1mark)

7. Mention four advantages of using polythene sleeves in the establishment of seedlings.

(2marks)

8. List four environmental conditions that may lead to low crop yields. (2

marks)

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9. State two main causes of silage losses.

(1mark)

10. State four methods used for collecting agro forestry seeds for planting.

(2marks)

11. List four examples of joint products in livestock production.

(2marks)

12. Outline two ways through which rain drop erosion initiates the process of soil erosion.

(1mark)

13. State two reasons why subsoiling is important as an operation of land preparation.

(1mark)

14. List two benefits of packaging agricultural commodity

(1mark)

15. Give four conditions that have led to fragmentation and sub-division of agricultural land in Kenya.

(2marks)16. Give three benefits of micro-catchments in water conservation (1½

marks)

17. State two cultural methods of soil conversation

(1mark)

18. Give two reasons for proper drying of grains before storage.

(1mark)

19. State two effects of aphids on plants. (1

marks)

20. Give three reasons for forage conservation. (1½

marks)

SECTION B (20 MARKS)

Answer all the questions in this section in the spaces provided . 21. The diagram below illustrates a field management practice carried out to a fruit crop

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(a)

(b) i) Identify the practice illustrated above.

(1mark)

ii) Give two reasons for carrying out the practice illustrated in the above diagram.

(2marks)

(c) Give a reason why it is not advisable to use manure in carrot production.

(1mark)

22) Diagram X and Y represent two weeds

i. Identify weeds:

X

..................................................................................................................................

Y

(1mark)

ii. Give two economic importance’s of each of the weeds above.

(2 marks)

iii. Name two kinds of herbicides used to control the above weeds C.

(2marks)

23. The diagram labeled A, B and C below illustrates some vegetable pests. Study the diagrams

carefully and then answer the questions that follow.

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Ground

Soil Layer

Drainage Forage material

Polythene sheet

a) Identify each of the pests illustrated in the diagrams A, B and C.

(1½ marks)

A.

B.

C.

b) State the damage caused by each of the pests labeled A and C on the host plants.

(1mark)

A

C

c) Give one cultural control measure for the pest labeled C ( ½

mark)

d) Explain the following practices as used in crop production

i. Integrated Pest management.

(1mark)

ii. Economic injury level

(1mark)

iii. Close season

(1mark)

24. a) The diagram below shows a method of forage preservation

i. Identify the structure illustrated above. (1mark)

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ii. State the form in which the forage is preserved as illustrated above

(1mark)

iii. Give the role of each of the following in the structure above

(2marks)

i. Polythene sheet

ii. Drainage

b) Name one other method of forage conservation

(1mark)

SECTION C (40 MARKS)Answer only two questions in this section in the spaces provided .

25. a) Describe the methods used in preparing materials in readiness for planting. (8 marks)

b) Explain the factors that may determine spacing of crop in the farm (8

marks)

c) Explain briefly the factors that influence timely planting.

(4marks)

26. a) State the law of Diminishing Returns (2marks)

b) Illustrate the above stated law by use of the graph and indicate the three important zones

of

production.

(3marks)

c) Explain eight ways how a farmer can adjust to risks and uncertainties

(8marks)

d) Give four advantages of budgeting in farm business.

(4marks)

e) Outline three uses of a balance sheet in farm accounts.

(3marks)

27. a) Describe ten safety precautions that should be taken when using herbicides to control

weeds.

(10marks)

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b) Explain ten farming practices which help to conserve soil on a farm.

(10marks)

PAPER 2

SECTION A (30 MARKS)

Answer all the questions in this section in the spaces provided.

1. Name the breed of goat that produces high quality wool.

(1mark)

2. State two advantages of using wood in the construction of a farm building

(1mark)

3. State two functional differences between petrol and diesel engines.

(2marks)

Petrol Diesel engine

4. Name the intermediate host of the following parasites (1mark)

i. Tapeworm

ii. Liver fluke

5. Differentiate between (1mark)

i. Drift lambing

ii. Pen lambing

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6. Give two reasons why the walls of the dairy shed should be white washed instead of painting

with water or oil paints. (1

marks)

7. Mention four pre-disposing factors of scours in calves. (2marks)

8. Outline three reasons why calves should be fed on colostrums. (1½ marks)

9. State two functions of a queen bee in a colony (1mark)

10. List two groups of vitamin as applied to livestock nutrition.

(1mark)

11. Give four advantages of using a spray in tick control in livestock. (2

mark)

12. Give three importance of flushing in sheep management. (1½

marks)

13. State three adjustments that should be carried out on a tractor-mounted mould board plough

in preparation for ploughing (1½

marks)

14. State two demerits of live fences. (1mark)

15. Give two ideal conformation features of beef cattle

(1mark)

16. State three factors that dictate livestock distribution in Kenya. (1½ marks)

17. Name three reasons that necessitate handling of livestock in the farm. (1½ marks)

18. List three non chemical control measures in livestock production. (1½

marks)

19. Under what condition would a farmer prefer to use an ox- cart instead of a tractor-drawn

trailer? Give three reasons (1½ marks)

20. State four grades into which Kenya Meat Commission may classify the carcasses

(2marks)

21. Why is it not recommended to use saw dust in an incubator (1 marks)

22. List two tools used in closed castration (1mark)

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23. State four qualities of good creep feed. (2marks)

SECTION B (20 MARKS)

Answer all the questions in this section in the spaces provided.

24. The diagram below represents farm tools.

i. Identify the tools labeled A and B

(1mark)

A

B

ii. Give one use of each tools mentioned in (i) above.

(2marks)

A

B

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iii. Give the two maintenance practices which should be carried out on tool C

(2marks)

25. A farmer in Makueni County owns 16 milking cows. In addition to feeding these animals

with nippier grass, the farmer prepares home mixed ratio in them. During this dry season, the

farmer has decided to mix 600kg of the ratio using oats DCP 40% and sim sim cake DCP

60% using the Rearsons square method.

i. Determine the quantities of each feed the farmer will need to make a ratio containing 20%

DCP for the animals. (4

marks)

State two factors affecting feed digestibility.

(1mark)

26. The diagram below shows an animal drawn implement. Use it to answer the following

questions

i. Label parts

H

J

K (1½

marks)

ii. Name the part that requires regular sharpening (1½ marks)

iii. State three advantages of using animal power (1½ marks)

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27. Below are illustrations of animal hooves and activity being done

i)

a) What activity is going on in diagram F (1mark)

b) Which of the above hooves is likely to predispose foot rot infection? (1mark)

c) Name an appropriate tool for carrying out the above activity (1mark)

d) Other than protecting animals from foot rot give another one reason for carrying out the

activity.

(1mark)

ii Give three reasons for seasoning timber before use (1½

marks)

SECTION C (40 MARKS)

Answer only two questions from this section in the spaces provided

28. a) Describe the features of ideal calf pen. (10marks)

b) Distinguish between cropping and harvesting as used in fish farming

(2marks)

c) Describe the maintenance practices on a fish pond or describe management practices that

would ensure maximum fish harvest from a fish pond.

(8marks)

29. a) Discuss coccidiosis disease under the following headings

(i). Causal organism

(1mark)

(ii).Livestock species attacked

(4marks)

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(iii). Symptoms of attack

(4marks)

(iv). Control measures.

(3marks)

b) Describe the procedure of obtaining clean milk from a cow

(10marks)

30. a)

i) Describe the life cycle of a two host tick

(6marks)

ii) Describe digestion in a rumen of ruminant

(8marks)

b) Explain three methods of acaricide application

(6marks)

FORM 4 TERM II 2019 COMPUTER HOLIDAY ASSIGNMENT

SECTION A: (40 MARKS)

Answer ALL the questions in this section in the space provided.

1. (a) A computer laboratory should be constantly kept dust and smoke free.

Specify two effects that dust would have on the operation of computers. (2 marks)

(b) Why should you first switch on the UPS before switching on the system unit and the monitor?(1mrk)

2. Explain the meaning of backup. (2 marks)

3. State the following types of transcription errors. (2 marks)

(a) 3455 instead of 3456……………………………………………………………………..

(b) Smith instead of simth. …………………………………………………………………...

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4. (a) State three ways used to represent a negative number. (3 marks)

(b) Perform the following binary arithmetic giving the answer in decimal notation.

1110.0111 + 1101001.011 (2 marks)

5. Distinguish between data privacy and data integrity as used in computing. (2 marks)

6. Differentiate between a primary key and a foreign key while designing a database. (2 marks)

7. Distinguish between ‘count’ and ‘countif’ functions as used in spreadsheets. (2 marks)

8. Match the following statements with repeater, router or a bridge. (2 marks)

STATEMENT DEVICE

(a) Operates at data link layer

(b) Determine the best path for data to

follow

(c) Regenerates signals

(d) Forwards everything which it doesn’t

recognize

9. Explain the impact of Information Technology on organization in each of the following

areas. (2 marks)

(a) Competition.

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(b) Pace of growth.

10. List two roles performed by system analyst. (2 marks)

11. Explain the following internet related terms. (4 marks)

(a) Sign IN.…………………………………………………………………………………..

(b) Search engine.……………………………………………………………………………

(c) Surf.………………………………………………………………………………………

(d) Sign up……………………………………………………………………………………

12. In Kenya Tea Packers Company, several people are employed as record clerks, typists and messenger. The company intends to introduce a computerized system in all the departments. Suggest three reasons that would make workers unhappy with the new system. (3 marks)

13. State two magnetic Storage devices. (2 marks)

14. State three functions of Central Processing Unit. (3 marks)

15. For each of the following file organization methods, state an appropriate storage medium:

(2 marks

(a) Serial.…………………………………………………………………………………

(b) Random.…………………………………………………………………………………

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Start

Enter: N, M

= M: Y = N N, M

P = y - : Q = - y

P > Q?P = yQ = x

P = xQ = y

PRINT: P, Q, , y

Stop

No Yes

SECTION B: (60 MARKS)

16. (a) Study the flowchart below and answer the questions that follows

(i) State the name of the control structure shown in the flowchart. (1 mark)

(ii) Assuming the user keys in 8 and 14 when prompted to enter the values for m

and N respectively, determine the printed values of P, Q, and y. (4 marks)

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(iii) Write the pseudocode that would be used in place of the flowchart. (5 marks)

(b) What is the difference between looping and selection. (2 marks)

(c) Name the stage of program development cycle when: (3 marks)

(i) A user guide would be written.

A programmer dry-runs the code.

(ii) System charts would be drawn.

17. (a) What is Virtual reality? (1 mark)

(b) Explain the following interactive sensory equipment used in virtual reality.(2 marks)

(i) Head gear.

(ii) Body suit.

(c) (i) What is Artificial Intelligence? (1 mark)

(ii) State and explain three components of an experts system. (6 marks)

(d) Most computerized security systems make use of Biometric analysis, name three physical features of human beings that can be considered in this analysis.

18. (a) Explain two coding schemes used in data representation techniques.(4 marks)

(b) Using one’s and two’s complement work out 14 – 9.

(i) One’s complement. (2 marks)

(ii) Two’s complement. (2 marks)

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(c) Work out the hexadecimal equivalent of 1011111000112 (2 marks)

(d) Identify the following types of ports. (5 marks)

A………………………………………………………………………………………….

B………………………………………………………………………………………….

C………………………………………………………………………………………….

D………………………………………………………………………………………….

F…………………………………………………………………………………………..

19. (a) Explain two functions of an operating system. (4 marks)

Explain the following terms as used in disk management using operating system:

(i) Disk defragmentation. (2 marks)

(ii) Disk clean up. (2 marks)

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B

D

A

C

Server Terminal Printer

X

(b) What will happen if you attempt to delete a folder while a file contained in it is Open?

(1 mark)

(d) State two properties that an operating system displays about a file. (2 marks)

(e) Give four advantages of storing files in folders. (4 marks)

20. (a) The diagram below shows four common network topologies A, B, C and D.

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(i) Name the network topologies labeled A, B, C and D. (4 marks)

(ii) Explain what happens if server X in topology A fails. (1 mark)

(iii) List two problems associated with network topology B. (2 marks)

(iv) List two disadvantage associated with network topology labeled D. (2 marks)

(b) Differentiate between Internet and World Wide Web. (2 marks)

(c) Describe the following network services and identify their applications. (4 marks)

(i) Voice mail.

(ii) Video conferencing.

CHINGA BOYS HIGH SCHOOLAUGUST HOLIDAY ASSIGNMENT 2019BUSINESS STUDIES FORM FOUR

1. (a) Explain four factors that may lead to a rise in the level of a country’s national income.

(8mks) (b) The following balances were extracted from the books of Mwami General stores on 31st

December 2017Sh.

Capital 4000,000Sales 150,000Purchases 80,000Opening stock (1.1.2012) 20,000Closing stock (31.12.2012) 10,0005 years bank loan 100,000Salaries and wages 40,000Insurance expenses 10,000

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General expenses 25,000Debtors 35,000Creditors 22,500Rent income 50,000Commission received 15,000Required(i) Prepare a trading, profit and loss account for the year ended 31st December 2012. (6mks)(ii) Calculate

a. Mark up ( 1 ½ mks)b. Current ratio ( 1 ½ mks)c. Rate of stock turn over (1 ½ mks)d. Rate of return on capital ( 1 ½ mks)

2 (a) Explain five importance of a business plan to an entrepreneur (10mks)(b) Explain five ways in which commercial banks help in facilitating business activities in the country (10mks)

3. (a) Explain any five characteristics of underdeveloped countries (10mks) (b) Explain five differences between chain stores and departmental stores (10mks)4. (a) High dependency ratio on the few employed is a problem affecting most countries

in the world. Explain five measures that each country can use to solve the problem.

(10mks)

(b) Explain five factors that can lead to a monopoly market structure. (10mks)

5. (a) Explain five mailing services that facilitate communication (10mks)

(b) The following information relates to Mji Mzuri business for the month of February 2017Feb 2nd Bought goods on credit from Jim traders Ksh. 340,000 (invoice No 24)

3rd Sold goods on credit to Maina Traders Kshs. 800,000 (invoice No 28)4th Returned goods to Jim traders Kshs. 300,000 (credit Note No 50)10th Sold goods on credit to Solah wholesalers ksh.620,000 (invoice no 29)13th Purchased a motor vehicle on credit from CMC motors Ksh. 1,000,00015th Salah wholesalers returned stock worth sh 19,000 (credit note no.10)18th Bought stock on credit from Awendo traders kshs 120,000 (invoice no 35)20th Maua returned stock valued kshs 5000 (credit note no 11)25th Returned stock to Awendo traders kshs 8000 (credit note no 306)

Required: post the above information in the relevant journals.6. (a) Explain five benefits that may be realized by a country as a result of government policy to

relocate industries in rural areas (10mks)

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(b) Explain five methods which the central bank may use to reduce money circulation in the economy (10mks)

CHINGA BOYS HIGH SCHOOLAUGUST HOLIDAY ASSIGNMENT 2019

CRE FORM FOUR K.C.S.E 2012

C.R.E PAPER 2

1. (a) Outline Micah's prophecies about the Messiah (Micah 5: 1-5). (7 marks)

(b) With reference to Luke 1:13 -17, outline the message of angel Gabriel about John to Zechariah. (7 marks) (c) Give three lessons Christians learn from the incident when Jesus was dedicated.

(6 marks)2.(a) Describe the incident when Jesus was baptised in river Jordan by John the Baptist (Luke 3: 21-22). (5 marks)

(b) Outline seven reasons why Christians undergo baptism. (7 marks)

(c) Explain the importance of transfiguration of Jesus to Christians today. (8 marks)

3. (a) Describe the incident of the healing of the ten lepers. (7 marks) (b) Explain the teaching of Jesus on the power of faith (Luke 17: 1- 37). (8 marks)

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(c) What lessons do Christians learn from the parable of the ten pounds? (Luke 19:11-27) (5 marks)

4.(a) Explain how the unity of believers is expressed in the image of the body of Christ.(8 marks)

(b) State six reasons why the use of the gifts of the Holy Spirit brought disunity in the church at Corinth. (6 marks)

(c) In what ways do the Christians in Kenya demonstrate the New Testament teaching on unity? (6 marks)

5.(a) Identify five sources of Christian ethics. (5 marks) (b) Give seven reasons why Christians in Kenya condemn homosexuality. (7 marks) (c) Explain how responsible parenthood is demonstrated by Christians in Kenya today. (8 marks)

6. (a) Outline the traditional African concept of wealth. (6 marks) (b) Give eight reasons why corruption is widespread in Kenya today. (8 marks) (c) Explain six ways the church is using to eradicate poverty in Kenya today. (6 marks)

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