Assignments

Class 9

1. Hindi

2. English

3. Mathematics

4. Science

5. Social Science

6. Sanskrit

ENGLISH ASSIGNMENT - I (2017-18)

(Fiction 1 and 2)

CLASS - IX

Q1. Read the following extracts and answer the question that follows: (2x4=8)

a) At times, I used to regret not going to school, so I made sure that my children and

grandchildren studied well.

i) Who is the speaker of these lines?

ii) What do you mean by „regret‟?

iii) What did the speaker regret?

iv) What did the speaker decide to do?

b) Those who saw it said the dog knew instantly.

i) What does „it‟ stand for?

ii) What do you mean by „instant‟?

iii) What did the dog know instantly?

iv) Which characteristics of the dog are highlighted in the above line?

Q2. Answer the following questions briefly: (2x6=12)

a) Why did the grandmother never go to school?

b) What message does the story “How I Taught My Grandmother To Read” convey?

c) Why did the grandmother think of learning to read and write at the age of sixty-two?

d) How was Chuck injured in the accident?

e) What significant role had been played by Duke in Chuck Hooper‟s life?

f) What was the last tribute to Duke and who had sent it?

Q3. Value based: (8x2=16)

a) “For learning there is no age bar.” Explain the sentence with reference to the

Grandmother.

b) “Duke not only helped his master overcome his physical handicap but also equipped

him with an inner strength to face the adversities of life.” Comment. What values do

you learn from Duke.

ENGLISH ASSIGNMENT - II (2017-18)

(Poem 1 and 2)

CLASS - IX

Q1. Read the following extracts and answer the question that follows: (2x4=8)

a) I chatter, chatter, as I flow

To join the brimming river,

For men may come and men may go,

But I go on forever.

i) Who does „I‟ refer to in the given lines?

ii) How does it „chatter‟?

iii) Why has the poet used the word „brimming‟? What kind of a picture does it create?

iv) Explain the last two lines of the stanza.

b) Then took the other, as just as fair,

And having perhaps the better claim,

Because it was grassy and wanted wear;

Though as for that passing there

Had worn them really about the same,

i) Which of the two roads did the poet take??

ii) Which road according to the poet, had „the better claim‟?

iii) The word/phrase........... in the extract means „not used enough.‟

iv) What is the rhyme scheme of these lines?

Q2. Answer the following questions briefly: (2x6=12)

a) What are the different companions of brook?

b) “I make the netted sunbeam dance.” What does „the netted sunbeam „mean? How does

it dance?

c) Why do you think the poet has let the brook describe its journey rather than describing

it himself?

d) “Two roads diverged in a yellow wood.” What do the two roads indicate here? What

was the poet‟s dilemma?

e) The poet kept the other road for another day. Was he able to travel back on that road?

Explain.

f) In the poem „The Road Not Taken‟, why did the poet feel like travelling both the

roads?

Q3. Value based: (8x2=16)

a) How can we say that the life is journey? Explain with reference to the poem „The

Brook‟.

b) Why is making a choice or decision so difficult? How can we minimise the risk

involved in situations wherein we are required to make a choice?

ENGLISH ASSIGNMENT - III (2017-18)

CLASS - IX

LITERATURE

F.3 The Man Who Knew Too Much

F.4 Keeping It From Harold

Q1. What did the professor mean by „intelligent reading‟? What is the significance of

intelligent reading in his statement?

Q2. What proved to be the turning point in the life of Private Quelch?

Q3. Why were Bill and Mrs. Bramble a little afraid of Harold?

Q4. How did Harold defy the law of heredity?

Q5. Private Quelch knew „too much‟. Give reasons to prove that in Spite of all his

knowledge, he was unable to win the admiration of his superiors as well as his

colleagues. What negative values or qualities should he have avoided?

Q6. RTC

Each time one of us made a mistake the professor would publicly correct him.

Whenever one of us shone, the professor outshone him.

a) Who is the professor here and are “us”?

b) What does this extract show about the professor‟s character?

c) How did the professor‟s behaviour affect his colleagues?

&

They‟d chuck it tomorrow, and look up to me like anything, I do call it rotten.

a) Who is the speaker and who are “they” here?

b) What would “they” chuck tomorrow? Why?

c) What does the speaker call „rotten‟? Why?

ENGLISH ASSIGNMENT - II (2017-18)

LITERATURE

CLASS - IX

Fiction - 3 The Man Who Knew Too Much

Fiction - 4 Keeping It From Harold

Q1. What did the professor mean by „intelligent reading‟? What is the significance of

intelligent reading in his statement?

Q2. What proved to be the turning point in the life of Private Quelch?

Q3. Why were Bill and Mrs. Bramble a little afraid of Harold?

Q4. How did Harold defy the law of heredity?

Q5. Private Quelch knew „too much‟. Give reasons to prove that in Spite of all his

knowledge, he was unable to win the admiration of his superiors as well as his

colleagues. What negative values or qualities should he have avoided?

Q6. RTC

Each time one of us made a mistake the professor would publicly correct him.

Whenever one of us shone, the professor outshone him.

a) Who is the professor here and are “us”?

b) What does this extract show about the professor‟s character?

c) How did the professor‟s behaviour affect his colleagues?

&

They‟d chuck it tomorrow, and look up to me like anything, I do call it rotten.

a) Who is the speaker and who are “they” here?

b) What would “they” chuck tomorrow? Why?

c) What does the speaker call „rotten‟? Why?

SCIENCE ASSIGNMENT - I (2017-18)

CHEMISTRY

CLASS - IX

CHAPTER 1 - MATTER IN OUR SURROUNDINGS

Q1. Name the process which occurs when a drop of dettol is added to water. 1

Q2. Define density and give its S.I. Unit. 1

Q3. Convert the following temperature to Celsius scale: 2

a) 300K b) 573K

Q4. How does the water kept in an earthen pot become cool during summer? 2

Q5. How does evaporation differ from boiling? 2

Q6. Which gas is called dry ice? Why? 2

Q7. What causes more severe burns – boiling water or steam? 2

Q8. What do you understand by the term Latent heat of fusion? How much is the latent

heat of fusion of ice? 3

Q9. What are the characteristics of the particles of matter? 3

Q10. Discuss the various factors which affect the rate of evaporation. 3

SCIENCE ASSIGNMENT - II (2017-18)

CHEMISTRY

CLASS - IX

CHAPTER - IS MATTER AROUND US PURE?

Q1. What is meant by pure substance? 1

Q2. Classify the following into metals and non-metals and metalloids? 1

(i)Germanium (ii) Boron

Q3. Define chromatography. 1

Q4. Give two points of differences between an element and a compound? 2

Q5. How do so, solution and suspension differ from each other? 2

Q6. A solution of Urea in Water contains 16 grams of it in 120 grams of solution. Find out

the mass percentage of the solution. 2

Q7. State what is Tyndall effect, which of the following solution will show Tyndall effect?

Starch solution, Sodium chloride solution, Tincture Iodine, Air. 2

Q8. Write three differences between physical and chemical change? 3

Q9. Name the process used to obtain pure copper sulphate from impure sample. 3

Q10. Show diagrammatically how water is purified in the water works system and list the

processes involved? 5

SCIENCE ASSIGNMENT - III (2017-18)

CHEMISTRY

CLASS – IX

CHAPTER - STRUCTURE OF THE ATOM

Q1. Why do helium, neuron and argon have zero valency? 2

Q2. Define isobars. Write its one example. 2

Q3. Write the uses of isotopes. 2

Q4. Find the electron distribution for the element that has atomic number 17 and write its

valency. 2

Q5. Atomic number of aluminium is 13 and mass number is 27. Calculate the number of

electrons, protons and neutrons in its atom. 2

Q6. With the help of schematic representation of atomic structure of magnesium and

sulphur. Explain how are electrons distributed in different orbits. 3

Q7. State the observation in a particle scattering experiment which led Rutherford to make

the following conclusions: 3

a) Most of the space in an atom is empty.

b) Whole mass of an atom is concentrated at its centre.

c) Centre is positively charged.

Q8. Explain Bohr and Bery rules for distribution of electrons into different shells. 3

Q9. What are isotopes? Write 3 isotopes of hydrogen. Why do isotopes show similar

chemical properties? 3

SOCIAL SCIENCE ASSIGNMENT – I (2017-18)

CLASS – IX

GEOGRAPHY

CHAPTER- POPULATION

General Instructions:

(i) Question numbers from 1 to 5 are to be answered in 20-40 words.

(ii) Question numbers from 6 to 10 are to be answered in 100-120 words.

Q1. What is a Census?

Q2. Which state is the most populous state of India according to the 2011 Census?

Q3. In terms of area which is the biggest state of India?

Q4. Why is the rate of population growth in India declining since 1981?

Q5. What is Primary Occupation?

Q6. What is Population Density? Describe population density of India.

Q7. Write a note on the health of the population in India.

Q8. What are ‘Push’ and ‘Pull’ factors in migrations in rural areas in India? What are

its effects?

Q9. Write a short note on the Adolescent Population.

Q10. Discuss the major components of population growth.

Assignment no- 4 Class –IX (Physics)

CH- Work and Energy

Q1 What are the two common forms of mechanical energy ?

Q2 How does a bullet pierce the terget?Explain

.

Q3 Does the potential energy of an object depend on the ground level?

Q4 Mention two units of mechanical energy.Establish a relation between S.I unit of

energy and commercial unit of energy.

Q5 An electric tube of 40W is used 4h per day .What is the energy consumed in one day

by the tube ? Express the answer in commercial units .

Q6 A stone of mass 2Kg is falling from rest from the top of a steep hill .What will be its

kinetic energy after 5s ?

Q7 What is the work to be done to increase the velocity of a car from 36Km/h to 90Km/h

if mass of the car is 1500Kg?

Q8 Distinguish between positive and negative work.When you lift an object up, two

forces act on it .Identify these forces.Which one of the two does:

(a) positive work and

(b) negative work? Justify your answerin each case.

Q9 Calculate the power of an engine required to lift 90 metric tonnes of coal per hour

from coal mine of depth 200 m.

Q10 Define kinetic energy .Obtain an expression for the kinetic energy of an object.

Q11 State the law of conservation of energy. Explain it with the help of an appropriate

example.

Q12 What are three essential conditions for work done by a force acting on an object on

horizontal surface.

Q13 A car weighing 1200Kg is uniformly accelerated from rest and covers a distance of

40m in 5s. Calculate the work done by the engine of car during this time .What is the

final kinetic energy of car ?

SCIENCE ASSIGNMENT – I (2017-18)

CLASS-IX

BIOLOGY

Topic - THE FUNDAMENTAL UNIT OF LIFE

M.M:25

Q1. Name the scientists who presented cell theory. (1)

Q2. Name the cell organelle which acts as ‘Protein factory’ of the cell. Where is it

located? (1)

Q3. What are leucoplasts? Give their function. (2)

Q4. What is plasmolysis? What happens to a plasmolyzed cell when it is placed

immediately in a hypotonic solution? (2)

Q5. Why are mitochondria and plastids called semiautonomous organelles? (2)

Q6. Why does the skin of your finger shrink when you wash clothes for a long time? (2)

Q7. Very briefly describe the following: (3)

a) Lysosomes as autophagous organelles during starvation.

b) Membrane biogenesis

c) Oxysomes of Mitochondria

Q8. Differentiate Prokaryotic cell and Eukaryotic cell. (3)

Q9. State what happens when: (4)

a) Dry apricots are left for sometime in pure water and later transferred to sugar solution?

b) A Red blood cell is kept in concentrated saline solution?

c) The plasma membrane of a cell breaks down?

d) Golgi apparatus is removed from the cell?

Q10. Draw a neat diagram of plant cell and label any three parts which differentiate it from

animal cell. (5)

SCIENCE ASSIGNMENT – II (2017-18)

CLASS - IX

BIOLOGY

TOPIC - TISSUES

M.M:20 Q1. Name the chemical substance which acts as cement and hardens the cell walls of

sclerenchyma. (1)

Q2. Why is blood considered to be a connective tissue? (1)

Q3. Name the tissue which allows the aquatic plants to float. (1)

Q4. What are stomata? (1)

Q5. Why are skeletal muscles known as striated muscles? (1)

Q6. Write any four distinctive features of cardiac muscles. (2)

Q7. Differentiate between meristematic and permanent tissue. (2)

Q8. Describe the structure and function of different types of epithelial tissues. Draw well

labelled diagrams. (3)

Q9. Why are xylem and phloem called complex tissue? How are they different from one

another? (3)

Q10. Draw well labelled diagrams of various types of muscles found in human body. (5)

SCIENCE ASSIGNMENT - III (2017-18)

CLASS - IX

BIOLOGY

TOPIC - IMPROVEMENT IN FOOD RESOURCES

MM:25

Q1. What are the three stages at which improvement of crops can be done? (2)

Q2. What are the agricultural seasons in India? Name the crops grown during each

of the seasons. (2)

Q3. What is Genetically Modified (GM) crop? Name any one such crop which is

grown in India. (2)

Q4. Define: (2)

i) Vermicompost ii) Green manure

Q5. Discuss various methods for weed control . (2)

Q6. What are macro-nutrients and why are they so called? (2)

Q7. Compare the use of manures and fertilisers in maintaining soil fertility. (3)

Q8. How do storage grain losses occur? (3)

Q9. Differentiate between Layers and Broilers. (3)

Q10. Give two examples of each: (4)

(a) Cereals (b) Oilseeds (c) Fodder crops (d) pulses

SCIENCE ASSIGNMENT - IV (2017-18)

CLASS - IX

BIOLOGY

TOPIC: WHY DO WE FALL ILL

MM:25

Q1. What is health? (1)

Q2. Define vaccination. (1)

Q3. Expand - (2)

i) WHO

ii) HIV

iii) AIDS

iv) ORS

Q4. What is an antibiotic? Give 2 examples. (2)

Q5. Identify the target organ of : (2)

a) hepatitis b) fits c) pneumonia d) fungus

Q6. Differentiate communicable and non-communicable diseases. (3)

Q7. Explain various modes of transmission of infectious diseases. (3)

Q8. Write a note on the principle of treatment. (3)

Q9. Explain the various general ways of preventing diseases. (3)

Q10. Name the causal organism of the following diseases. (5)

Typhoid, Malaria, Measles, Acne, AIDS, Diarrhoea, Dengue, Sleeping Sickness,

Elephantiasis, Ringworm.

SCIENCE ASSIGNMENT - V (2017-18)

CLASS - IX

BIOLOGY

TOPIC: DIVERSITY IN LIVING ORGANISMS

M.M:25

Q1. Define Biodiversity. (1)

Q2. Who is known as the Father of Taxonomy? (1)

Q3. Why bryophytes are called amphibians of the plant kingdom? (2)

Q4. Differentiate between cryptogams and phanerogams. (2)

Q5. What is five kingdom classification? Who proposed it? (2)

Q6. Differentiate between monocots and dicots. (2)

Q7. Define the terms and give one example of each: (3)

i) Bilateral symmetry

ii) Coelom

iii) Triploblastic

Q8. Differentiate between annelids and arthropods. (3)

Q9. What is notochord? Describe its functions. (3)

Q10. Explain all the important characteristics of the given phyla: (6)

a) Platyhelminthes

b) Coelenterates

c) Chordates

SOCIAL SCIENCE ASSIGNMENT - II (2017-18)

HISTORY

CLASS-IX

CHAPTER- PASTORALISTS IN THE MODERN WORLD

General Instructions:

(i) Question numbers from 1 to 4 are to be answered in 20-40 words.

(ii) Question numbers from 5 to 10 are to be answered in 100-120 words.

Q1. Which herds of animal are not kept by the Pastoralists?

Q2. In which year was Criminal Tribes Act passed?

Q3. What is Grazing Tax?

Q4. What is Transhumance?

Q5. Explain why nomadic tribes need to move from one place to another. What are

the advantages to the environment of this continuous movement?

Q6. Describe the condition and movement of pastoralists of Gaddis at Kangra in

Himachal Pradesh.

Q7. What were the factors for reduction of area available for grazing for the

pastoralists? What were the effects of reduction in grazing lands?

Q8. What were the changes that took place in the life of the pastoralists during the

colonial rule?

Q9. Write a short account on different forms of pastoralist.

Q10. What was the condition of Masaai Society in the Pre-Colonial times? How was

it affected by the changes in the colonial period?