HOLIDAY HOMEWORK

SESSION: 2021-22

ENGLISH

Class - 9

1. Prepare a short Video speech on any of the following topics.

I. Unity in Diversity.

II. Role of Press.

III. Person you admire most.

(Duration of speech should not be more than 3 minutes)

2. Read the chapter Sound of Music (Evelyn Glennie) and write5-6 key points about the character of

Evelyn Glennie.

3. Revise all chapters which have been completed so far.

Note: Assignment given on 28/4/21 will be part of Holiday Home Work. No need to submit on Monday.

You may submit later.

HINDI

MATHS

1. Do all the exercises of chapter 1, 2 and 3. (NCERT Book)

GEOGRAPHY AND ECONOMICS

VERY SHORT ANSWER TYPE QUESTIONS

1. What is the longitudinal and latitudinal extension of India?

2. Name the island group of India lying in the Arabian Sea

3. What is the southernmost latitude of India?

4. What is a narrow channel of sea which separates two land masses known as?

5. What is the total length of the coastline of the mainland of India including its islands?

6. Which places in India experience sunrise first and last respectively?

7. Which longitude represents the Standard Meridian of India?

8. Why has India selected a Standard Meridian of India with an odd value of 82° 30′ E?

9. How many states does India consist of?

10. Name the place said to be the situated on three seas. Name the seas also.

11. Name the Indian states which share borders with Pakistan.

12. Name India’s neighboring countries in the north-west.

13. Which neighboring country is situated in the south-west of India?

14. Name India’s neighbors on the northern borders.

15. Which two island countries are India’s southern neighbors?

16. Palk Strait and Gulf of Mannar separate which two countries?

17. In which year did Indira Point submerge under water due to Tsunami?

18. In which island is active volcano found in Andaman and Nicobar Islands?

19. What is the time difference between the westernmost and the easternmost tips of India?

20. Name the largest country in the world, and what is India’s position?

SHORT ANSWER TYPE QUESTION

1. What is the longitudinal extent of India? Mention the degree of longitude for the Standard Meridian.

State the importance of Standard Meridian?

2. What is latitudinal extent of India? How is the latitudinal spread in India advantageous to her? State

two points.

3. Explain the significance of India’s eminent position in the Indian Ocean.

4. What is meant by the Indian Standard Time? What is its importance?

5. Why is the difference between the durations of day and night hardly felt at Kanyakumari but not so in

Kashmir?

LONG ANSWER TYPE QUESTION

1. “India has a long coastline which is advantageous”. Explain.

2. How is India’s geographical location favorable for international trade?

3. How did India’s contact with the rest of the world contribute in the exchange of ideas and

commodities?

ECONOMICS

VERY SHORT ANSWER TYPE QUESTION

1. What are the factors of production?

2. Name the main production activity of Palampur.

3. What capital is needed as first priority to set up a jaggery manufacturing unit?

4. Give a few examples of fixed capital.

5. Give two examples of the working capital.

6. What do raw materials and money in hand call?

7. The clay used by a potter is an example of which type of capital?

8. Why is it important to use land very carefully?

9. What are rabi crops?

10. What are Kharif and Zaid crops?

SHORT ANSWER TYPE QUESTION

1. Define the meaning and aim of production.

2. Mention three characteristics of traditional method of farming,

3. Explain the problems which arise due to unequal distribution of land.

4. Farmers of which two states were the first to use modem farming methods in India? Mention any four

positive effects of it.

5. Write any three differences between land and capital.

LONG ANSWER TYPE QUESTION

1. Write a note on the topic “Green revolution in India”.

2. Capital is a basic need in agriculture.’ How is it arranged by Indian farmers? Explain.

PHYSICS

One word questions

1. The displacement of a body can never be greater than the distance covered by a body. Is the

statement true or false?

2. Give two examples of vector quantities.

3. What is the nature of distance time graph for uniform motion of an object?

4. What is the acceleration of a freely falling body?

5. What is the acceleration of a body moving with uniform velocity?

6. What does the slope of a distance-time graph gives?

7. What does the area of a velocity-time graph gives?

20 words questions

1. An object is moving up an inclined plane. Its velocity changes from 15m/s to 10m/s in two seconds.

What is its acceleration?

2. A body covered a distance of x meter along a semicircular path. Calculate the magnitude of

displacement of the body, and the ratio of distance to displacement?

3. A particle moving with an initial velocity of 5m/s is subjected to a uniform acceleration of -2.5m/s².

Find the displacement in the next 4 sec.

4. A car covers 30km at a uniform speed of 30km/hr. what should be its speed for the next 90km if the

average speed for the entire journey is 60km/h?

5. Give one example of a uniformly accelerated motion.

40 words questions

1. A car moving along a straight line at a speed of 54km/hr stop in 5s after the brakes are applied.

(a) Find the acceleration, assuming it to be constant. (b) Plot the graph of speed versus time.

(c) Using the graph. Find the distance covered by the car after the brakes are applied?

2. A vehicle moves at a speed of 40 km/h. It is stopped by applying brakes which produces a uniform

acceleration of -0.6m/s². How much distance will the vehicle move before coming to stop?

II. Answer the following questions:

1. Can displacement be zero even when distance is not zero? Give Example.

2. How can you get speed of an object from its distance – time graph?

3. How can you get distance of an object from its speed – time graph?

4. Can a body have zero velocity and still acceleration? Give example.

5. Is it possible in straight line motion a particle having zero speed and a non-zero velocity? Explain.

6. On a 60 km straight road, a bus travels the first 30 km with a uniform speed of 30 kmh-1. How fast

must the bus travel the next 30 km so as to have average speed of 40 kmh-1 for the entire trip?

7. A driver takes 0.20 seconds to apply the brakes. If he is driving car at a speed of 54 kmh-1 and the

brakes cause a deceleration of 6.0 ms-2. Find the distance travelled by the car after he sees the need to

put the brakes.

8. A ball thrown vertically upwards with a speed of 19.6 ms-1 from the top of a tower returns to the

earth in 6 seconds. Find the height of the tower. (g = 9.8 ms-2)

9. A bullet initially moving with a velocity of 20m/s strikes a target and comes to rest after penetrating a

distance of 0.01m in the target. Calculate the retardation produced by the target.

10. A body moving in a straight line at 72kmph undergoes an acceleration of 4m/s2. Find its speed after

2 seconds.

11. A car a moving at rate of 72km/h and applies brakes which provide a retardation of 5ms-2.

a. How much time does the car takes to stop.

b. How much distance does the car cover before coming to rest?

c. What would be the stopping distance needed if speed of the car is doubled?

12. Body starts from rest and moves with a uniform acceleration of 5m/s2 for 5s and then it moves with

a constant velocity for 4s. Later it slows down and comes to rest in 5s. Draw the velocity time graph for

the motion of the body and answer the following questions:

a) What is the maximum velocity attained by the body?

b) What is the distance travelled during this period of acceleration?

c) What is distance travelled when the body was moving with constant velocity?

d) What is the retardation of the body while slowing down?

e) What is the distance travelled by retarding?

f) What is the total distance travelled?

11. Make the following flowchart:

12. Draw the following graphs related to motion:

BIOLOGY & CHEMISTRY

1. Prepare a project report on COVID 19 effect on our immune system and precautionary measures. Also

give few sustainable measures to be undertaken from your side to prevent ourself from corona virus

infection.

2. Write the principle of sublimation and its advantage in our day to day life giving at least 3 real life

examples.

3. Make a collage of different cell organelles present in animal cell with flowchart representation of its

structure and function.

IT

Short Answer Questions

1. What is verbal communication? Give an example.

2. How does Oral communication differ from written communication?

3. What is non-verbal communication? Explain giving an example.

4. Why is it important to have good communication skills?

5. What is Visual Communication?

6. Can an email considered a form of written communication? Give reasons for your answer.

7. What is communication? Give an example.

8. What is the main purpose of communication?

9. Write any functions that communication accomplishes in our day-to-day life.

10. Write any two characteristics of communication?

11. What is communication cycle?

12. Write the functions of the following elements in a communication cycle.

(a) Sender (b) Idea (c) Encoding (d) Decoding

13. Why Communication is called a two-way process?

14. What is meant by perspective?

15. Name any four factors that affect our perspective on communication.

16. What is the importance of communication? Write any three points.

17. What is Self-Management?

18. What is meant by the self-management skills?

19. Name any three self-management skills?

20. Why positive attitude is essential for self-management?

21. How is persistence and resilience important in self-management?

22. What is mean by time-management?

23. What are the positive outcomes of developing self-management skills?

24. How can we manage anger and stress?

25. What is the importance of time management?

26. How can you turn failure into success?

Practical Questions

1. Think about the different methods of communication i.e. Verbal (Oral and Written) and non-verbal.

List the pros and cons of using these different methods of communication.

2. Draw a neat and labeled diagram of Communication Cycle.

3. Write paragraphs on the following topics:

(a) National Flag

(b) Growing Population

(c) Global Warming

(d) Climate Change

(e) Child Labour

(f) Importance of Trees

4. List your strengths and weaknesses on a sheet of paper.

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HOLIDAY HOMEWORK

SESSION: 2021-22

ENGLISH

Class - 10

1. Team work is always appreciated. The advantages of teamwork are numerous. Write a

paragraph on the topic Team Spirit in about 120 words.

2. To lead a happy and contented life one has to develop human and moral values. Write a

paragraph on the topic ‘Inculcation of moral values in Children’ in about 120 words.

3.Write a letter to the Chief Minister of your state telling him about the hardships experienced by

the people due to the lockdown during COVID 19 .Do not exceed 120 words.

4. Revise all the lessons taught till now.

5. Practice grammar exercises from any sample paper available with you.

Note: Question 1, 2 & 3 is to be done in your Grammar copy. Question no. 5 to be done in rough

copy.

HINDI

MATHS

Chapter 01 (Real Numbers)

1. If n is an odd integer, then show that n2 – 1 is divisible by 8.

2. Prove that if x and y are both odd positive integers, then x2 + y2 is even but not divisible by 4.

3. Show that the square of an odd positive integer can be of the form 6q + 1 or 6q + 3 for some

integer q.

4. Show that the cube of a positive integer of the form 6q + r, q is an integer and r = 0, 1, 2, 3, 4,

5 is also of the form 6m + r.

5. Prove that one and only one out of n, n + 2 and n + 4 is divisible by 3, where n is any positive

integer.

6. Prove that one of any three consecutive positive integers must be divisible by 3.

7. For any positive integer n, prove that n 3 – n is divisible by 6.

8. Show that one and only one out of n, n + 4, n + 8, n + 12 and n + 16 is divisible by 5, where n

is any positive integer.

9. Use Euclid’s division lemma to show that the cube of any positive integer is of the form 9m,

9m + 1 or 9m + 8.

10. Using Euclid’s division algorithm to show that any positive odd integer is of the form 4q+1

or 4q+3, where q is some integer.

11. Find the HCF of 65 and 117 and express it in the form 65m + 117n.

12. If the HCF of 210 and 55 is expressible in the form of 210x5 + 55y, find y.

13. Find the least number which when divided by 12, 16, 24 and 36 leaves a remainder 7 in

each case.

14. The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively. Find

the longest tape which can measure the three dimensions of the room exactly.

15. Determine the smallest 3-digit number which is exactly divisible by 6, 8 and 12.

16. Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.

17. Renu purchases two bags of fertiliser of weights 75 kg and 69 kg. Find the maximum value

of weight which can measure the weight of the fertiliser exact number of times.

18. In a seminar, the number, the number of participants in Hindi, English and Mathematics are

60, 84 and 108, respectively. Find the minimum number of rooms required if in each room the

same numbers of participants are to be seated and all of them being in the same subject.

19. Prove that √5+ √3 is irrational.

20. Prove that 5+ 2√3 is irrational.

Chapter 02 (Polynomials)

1. If the product of zeroes of the polynomial ax2 – 6x – 6 is 4, find the value of ‘a’.

2. If one zero of the polynomial (a2 + 9)x2 + 13x + 6a is reciprocal of the other. Find the value of

a.

3. Write a quadratic polynomial, sum of whose zeroes is 7 and product is –14.

4. Find a polynomial whose zeroes are 2 and –3.

5. If 2 and – 3 are the zeroes of the polynomial x2 + (a + 1)x + b, then find the value of a and b.

6. Find the sum and product of zeroes of p(x) = 2(x2 – 3) + x.

7. If one zero of the quadratic polynomial x2 + 3x + k is 2, then find the value of k.

8. Find the zeroes of a quadratic polynomial given as 3x2 - x - 4 and also verify the relationship

between the zeroes and the coefficients.

9. The difference of two numbers is 4. If the difference of their reciprocals is 4/21, then find the

two numbers.

10. If α, β are the zeroes of the polynomial 2x2 – 4x + 5. Find the value of

(i) α 2 + β 2

(ii) (α - β)2

Chapter 03 (Pair of Linear Equations in Two Variables)

1. Solve for x and y: 99x + 101y = 1499; 101x + 99y = 1501.

2. The age of father is equal to sum of ages of his 4 children. After 30 years, sum of the ages of

the children will be twice the age of the father. Find the age of the father.

3. A person can row a boat 8 km upstream and 24 km downstream in 4 hours. He can row 12

km downstream and 12 km upstream in 4 hours. Find the speed of rowing in still water and the

speed of the current.

4. Solve for x and y: 37x + 43y = 123; 43x + 37y = 117.

5. Draw the graph of the equations: x – y + 1 = 0 & 3x + 2y – 12 = 0. Determine the coordinates

of the vertices of the triangle formed by these lines and the x – axis and shade the triangular

region. Also calculate the area of the triangle so formed.

6. The sum of a 2 digit number and number obtained by reversing the order of digits is 99. If the

digits of the number differ by 3, find the number.

7. Check graphically whether the pair of linear equations 4x – y – 8 = 0 and 2x – 3y + 6 = 0 is

consistent. Also determine the vertices of the triangle form by these lines and x – axis.

8. The sum of the digits of a two digit number is 9. Nine times this number is twice the number

obtained by reversing the digits. Find the number.

9. A leading library has a fixed charge for the first three days and an additional charge for each

day thereafter. Sarita paid ₹ 27 for a book kept for seven days. While Susy paid ₹ 21 for the

book she kept for five days. Find the fixed charge and the charge for each extra day.

10. Solve the following system of linear equations by elimination method: 6(ax + by) = 2a + 2b &

6(bx – ay) = 3b – 2a.

SOCIAL SCIENCE

1. Read Chapter: 1 Power Sharing and make thirty short answer questions (one word/one sentence

answer)

2. Draw the map of ethnic composition of Belgium and Sri Lanka (Use colours to show different ethnic

groups)

3. Follow every day news bulletin and write a note on the role of the following in the existing pandemic

condition.

(i) The Central Government

(ii) The Election Commission

(iii) The Judiciary

4. Write the characteristics features of different types of sol found in India.

PHYSICS

Practice question from Electricity

Very Short Answer type questions (1 mark)

1. How is an ammeter connected in a circuit measure current flowing through it?

2. Mention any two factors on which the resistance of a cylindrical conductor depends.

3. Name the instrument used to measure electric current in a circuit.

4. What happens to resistance of a conductor when its area of cross-section is increased?

5. A given length of a wire is doubled on itself and this process is repeated once again. By what factor

does the resistance of the wire change?

6. Two resistors of 10 Ω and 15 Ω are connected in series to a battery of 6 V. How do the values of curret

passing through them compare?

7. A wire of resistance 20 Ω is bent to form a closed square. What is the resistance across a diagonal of

the square?

8. Name one physical condition on which the resistivity of a metal depends?

9. Why is an ammeter likely to be burnt out if you connect it in parallel?

10. Why is a series arrangement not used for connecting domestic electrical appliances in a circuit?

11. There are two electric bulbs (i) marked 60 W , 220 V and (ii) marked 100 W, 220 V. Which one of the

two has a higher resistance?

12. Should the heating element of electric iron be made of iron, silver or nichrome wire?

13. When length of a wire is doubled. What is the change in resistivity?

14. When three equal resistors R Ω are placed in (i) Series and (ii) parallel. What is the equivalent

resistance?

15. What is the commercial unit of of electrical energy? Relate kWH & joules.

CHEMISTRY

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