SANT NIRANKARI PUBLIC SCHOOL WORKSHEET – JULY (WEEK – 4)

CLASS VII

ENGLISH (ASSIGNMENT– 1)

PRESENT TENSE

I. Read the following sentences and fill in the blanks with appropriate form of verbs given in the brackets :-

a. They ____ (join) me for lunch today. (Present Continuous) b. Boys ____ (love) to fly kites. (Present Simple) c. The theatre festival _____ (begin) in the coming weekend. (Simple Present) d. My friend _____ (finish) reading the novel. (Present Perfect) e. I _____ (write) the letter and posted it. (Present Perfect)

II. Read the following passage and fill in the blanks with appropriate Present form

of verbs :- The patient ____ (wait) for an hour for the doctor to arrive. Some of them ____ (have) an appointment but there ____ (be) others who _____ (come) for consultation without prior appointment. The receptionist _____ (write ) down all the names in order. She _____ say that the doctor will reach the clinic any moment. Those waiting _____ (be) busy on the mobile or or _____ (read) magazines. The clinic _______ (paint) recently, it seems that the walls look fresh and clean. Some patients _____ (wait) since 8:00 a.m. and ____ (get) impatient.

(ASSIGNMENT - 2) PAST TENSE

I. Rewrite the following sentences as directed in the brackets :- a. She was feeling well. (negative) b. Reema played in the garden. (interrogative) c. Mona left for Kolkata yesterday. (interrogative) d. Vibha was teaching the children to draw the map of India. (negative)

II. Read the following passage and fill in the blanks with appropriate Present

form of verbs :- a. The Phantom ____ (move) slowly and silently. When it ______ (come) to him,

Bhima almost ________ (collapse) because it _____ (seem) to be a misery. I ______ (shroud) in a deep black garment and its face ______ (conceal). Bhima _____ (stretch) out his hands to push it away and ______ (feel) his throat choke. He ______ (not see) such a sight earlier. He ______ (gasp) for breath and ______ (be) run for life while trying to push it away. But he ______ (wake) up with a start and realised that he ______ (dream) for a long time.

MATHEMATICS ASSIGNMENT – I [ WEEK 4 ]

RATIO Question 1 : Convert the ratio 66 : 18 in its simplest form.

Question 2 : Find the ratio of 48 min to 4 hours.

Question 3 : Find the Equivalent ratio of 6 : 7 .

Question 4 :Two numbers are in the ratio 5 : 7 and their sum is 120. Find the numbers?

Question 5 : Divide ₹ 2000 between X and Y in the ratio 5 : 3

Question 6 : Divide ₹ 5000 among X , Y and Z in the ratio 1 : 2 : 7.

Question 7 : Compare the ratios ( 3 : 4 ) and ( 4 : 3 )

Question 8 : If 3A = 5B = 4C , find A : B : C?

Question 9 : What must be added to each term of the ratio 7 : 9 so that the new ratio

becomes 7 : 8 ?

Question 10 : Present age of Seema is 22 years and the age of her Brother is 26 years.

Find the ratio of Seema’s age to her Brother’s age after 10 years.

ASSIGNMENT –II [ WEEK 4] PROPORTION

Question 1 : Are the ratios 15 m : 45 m and 30 km : 90 km in proportion?

Question 2 : Are 3, 6, 5, 15 in proportion?

Question 3 : If 20 : 12 : : y : 6, find the value of y?

Question 4 : If 45 : y : : y : 5, find the value of y?

Question 5 : Find the third proportion to 6 and 12?

Question 6 : If 12, 42, a are in continued proportion, find the value of a?

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SCIENCE WORKSHEET 3(WEEK- 4) LESSON -12 REPRODUCTION IN PLANTS

ASSIGNMENT 1 Multiple Choice Questions Question 1. The ‘eye’ of the potato plant is what? (a) The root is to any plant (b) The bud is to a flower (c) The bud is to Bryophyllum leaf (d) The anther is to stamen Question 2. Seeds of drumstick and maple are carried to long distances by wind because they possess (a) winged seeds (b) large and hairy seeds (c) long and ridged fruits (d) spiny seeds Question 3. Lila observed that a pond with clear water was covered up with a green algae within a week. By which method of reproduction did the algae spread so rapidly? (a) Budding (b) Sexual reproduction (c) Fragmentation (d) Pollination Question 4. The ovaries of different flowers may contain (a) only one ovule (b) many ovules (c) one to many ovules (d) only two ovules Question 5. Which of the following statements is/are true for sexual reproduction in plants? (i) Plants are obtained from seeds (ii) Two plants are always essential (iii) Fertilisation can occur only after pollination (iv) Only insects are agents of pollination Choose from the options given (a) (i) and (iii) (b) only (i) (c) (ii) and (iii) (d) (i) and (iv)

Fill in the Blanks 1.The male and female gametes fuse to form a …………… during the process of …………… This grows into an …………… which is enclosed within a seed. After fertilisation the ovules develop into …………… and the ovary develops into a …………… 2. Roots, stems and leaves are called …………… of a plant. 3. The small bulb like projections coming out from the yeast cell is called a …………… . 4. The scars present on the potato tubers are called …………… . 5. Spirogyra is an alga which may breaks up into two or more …………… . 6. The …………… is the male reproductive part of flower while …………… is the female reproductive part of a flower. 7. Pollen grains are …………… that can be carried by …………… or …………… . 8. The cells which result after …………… of the gametes is called …………… . Match the Columns Question 1. Match the Column I with Column II

Column 1 Column II

(a) Sugarcane (i) Jasmine

(b) Grafting (ii) Cutting

(c) Scion (iii) Detached body parts

(d) Bryophyllum (iv) Fragmentation

(e) Layering

(v) Vegetative reproduction

by roots

(f) Cactus (vi) Spores

(g) Rose (vii) Through stem cutting

(h) Spirogyra (viii) Leaves

(i) Sweet potato (ix) Mango

(i) Bread mould (x) Is the shoot part

Answer the following Question 1. In the figure of a flower given below, label the parts whose functions are given below and give their names. (a) The part which contains pollen grains. (b) The part where the female gamete is formed. (c) The female reproductive part, where pollen grains germinate. d) The colourful part of flower which attracts insects.

Question 2. Observe the following figure and answer the following questions. (a) Which type of vegetative propagation has been shown in this figure? (b) Name two plants where this method of vegetative reproduction takes place. (c) Is this a sexual or asexual mode of reproduction? (d) Label the part (A) and (B) in the given figure.

Question 3. How do the plants like sugarcane, potato and rose reproduce when they cannot produce seeds? Question 4. Why is the process of reproduction necessary? Question 5. Give one difference between unisexual and bisexual flower. Question 6. Which type of pollination does the given figure indicate?

Question 7. When you keep food items like bread and fruits outside for a long time especially during the rainy season, you will observe a cottony growth on them.

(a) What is this growth called?

(b) How does the growth take place?

WORKSHEET – 4

LESSON 12-REPRODUCTION IN PLANTS

Multiple Choice Questions

1. Which of the following parts of a plant take part in sexual reproduction?

(i) Flower

(ii) Seed

(iii) Fruit

(iv) Branch Choose the correct answer from below.

(a) (i) and (ii)

(b) (i), (ii) and (iii)

(c) (iii) and (iv)

(d) (ii), (iii) and (.iv)

2. Pollination refers to the

(a) transfer of pollen from anther to ovary.

(b) transfer of male gametes from anther to stigma.

(c) transfer of pollen from anther to stigma.

(d) transfer of pollen from anther to ovule.

3. Which of the following is not true about the spores produced by fungi?

(a) spores are covered by a hard protective coat.

(b) spores can withstand high temperature and low humidity

(C) spores are formed by fusion of gametes

(d) spores are very light and can be carried to long distances by air.

4. In which of the following plants asexual reproduction is done by the formation of buds in the margin of leaves?

(a) Yeast

(b) potato

(c ) rose plant

(d) Bryophyllum

5. Fungus, moss and fern reproduce by a common method of asexual reproduction.

a) spores

(b) fragmentation

(c ) vegetative propagation

(d) budding

6. Pick the odd one out from the following on the basis of mode of reproduction and give reason for it.

7. Boojho had the following parts of a rose plant – a leaf, roots, a branch, a flower, a bud and pollen grains. Which of them can be used to grow a new rose plant?

8. One morning as Paheli strolled in her garden she noticed many small plants which were not there a week ago. She wondered where they had come from as nobody had planted them there. Explain the reason for the growth of these plants.

Short Answer Questions

9. In the diagram given in Figure label the parts marked (a), (b) and (c).

10.Group the seeds given in Figure12.3 (i) to (iii) according to their means of dispersion.

(a) Seed dispersed by wind

(b) Seed dispersed by water

(c) Seed dispersed by animal

11. Coconut is a large and heavy fruit. How is it adapted for dispersal by water?

12. Fruit is the ripened ovary of a flower. Explain.

13. Banana is a fruit without seeds. Give reason.

14. Collect some flower of different plants like papaya, rose, mustard, lady’s finger, Petunia, cucumber, corn, pea, etc. Group them under following heads. (a) Which of these plants have unisexual flowers? (b) Which of these plants have bisexual flower? (c) What is the other name of unisexual and bisexual flower? [HOTS]

15. How does male gamete present in pollen grain reaches female gamete present in ovule?

16. What is meant by the term fertilisation? List the stepwise manner leading to formation of an embryo.

17. What is seed dispersal? What will happen if all the seeds of a plant were to fall at a same place and grow?

18. Observe the given figure and answer the following questions. (a) Name the plant? (b) Which type of reproduction is seen in this plant? (c) Is ginger a root or stem? (d) Label the part of this plant?

SOCIAL STUDIES WEEK – 4

WORKSHEET 3 I. Define Historical monuments? Name its two types.

II. Differentiate between Secular and Religious monuments.

III. Why did kings of Medieval period built many temples. Give one reason.

IV. Explain in three points the Nagara style of Architecture.

V. Explain in three points the Dravadian style of architecture.

VI. Write a short note on Temples built in South India during 16th Century.

VII. What is Indo-Islamic architecture?

VIII. What were the important features of Indo-Islamic architecture?

IX. What is a Baoli?

X. Define Mausoleums.

WORKSHEET 4 (WEEK – 4 )

I. Where is the Tomb on Itmad-ud-Daula located?

II. Who built the Gol Gumbaz at Bijapur?

III. Define the following- a. Synagogues b. Tiers c. Lacquer

IV. Write a short note on architecture under the Sultanate.

V. Name few important monuments which were added to Agra fort later and who

added them.

VI. Name two important buildings by Jehangir

VII. Shahjahan was called the “Prince of Builders’ . Explain in three points.

VIII. Explain the features of Taj Mahal.

IX. Highlight the features of the architecture of the regional kingdoms.

X. Name the second largest dome in the world and write about its most striking

feature.

ASSIGNMENT-1 (WEEK-4)

SUBJECT: Computer Topic: Introduction to Spreadsheet

1. Write down the steps to do the following

(i) To open a workbook

(ii) To save a workbook

(iii) To add a new worksheet

(iv) To open Ms Excel through Run Window

2. Answer the following questions

a. Total no. of rows in a worksheet

b. Total no. of columns in a worksheet

c. Total no. of characters that a cell can contain

d. Default alignment of text

e. File extension of MS Excel

3. Write down the ways to edit the data entered in the cells in a worksheet.

ASSIGNMENT-2 (WEEK-4)

SUBJECT: Computer

Topic: Introduction to Spreadsheet

(Practical) Open Ms Excel and create a workbook according to the instructions given below:

Use Cells from A1 to J7 and create a time table of your class.

Take Font as Arial with Size 12.

Font color should be Blue.

Write heading as Timetable.(bold) with black color

Draw a border around the data of timetable.

Save the file name with ‘yourname_timetable’ in D drive.