WEEKLY ASSIGNMENT - Sainik School Satara

Month- SEPTEMBER Week – 4

Class- VII Subject- English

Complete the following assignment questions Q1. Answer the following questions. 1.What Did Mr. Gessler Share About The Troubles Of His Trade? 2.What Reason Did The Author Tell As The Reason For The Death Of Mr. Gessler’s Death? 3.What Negative Aspects Of Mr. Gessler’s Way Of Business Are Reflected By The Englishman? Q2. Read the following passage and answer the following questions that follow. “Dey gets id all, “ He said, “dey get id by advertisement, a nod by work. Dey takes id away from us, who love our boots. Id comes to dis – presently I have no work. Every year id gets less. You will see.” And looking at his lined face I saw things I had never noticed before, bitter things and bitter struggle and what a lot of grey hairs there seemed suddenly in his red bread!

Questions 1. What does the expression “Dey get id all” mean? 2. Why did not he have any work? 3. What were the signs of his struggle? 4. Explain “Every year id gets less”. 5. Change advertisement into a verb.

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Class- VII Subject- Marathi

Complete the following assignment questions

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Class- VII Subject- Maths


1. 3 ( 2x - 1 ) + 5 = 14 ( x = 2 ) 2. 2z – ( 7 – 5z ) – 21 = 0 ( z = 4 ) 3. 8x + 4 = 12 ( x = 3 )

3 4. 3 ( y – 1 ) = 2 ( 2y – 6 ) ( y = 11 ) 5. 5 – 6 ( - 2 ) + 13 = 6 ( x = -4 )

6. Convert the following equations in statement form: (a) 5x = 20 (b) 3y + 7 = 1

7. If 5 is added to twice a number, the result is 29. Find the number

8. .Add 7 to 3 times a number, you get 34. Find the number.

( x = 9 )

9. Subtract 23 from thrice a number the result is 7.find the number.( x = 10 )

10. Anmol’s mother is 4 years more than 3 times Anmol’s age. Find Anmol’s age if mother is 40 years old.

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Class- VII Subject- Physics


1) What types of areas are suitable for the frequent development

of thunderstorms? Why? State the precautions which should

be observed to protect ourselves from lightning during a

thunderstorm.

2) What would happen if high speed winds blow over a house

having weak tin roof? Give reason for your answer.

3) What is the name of a storm consisting of a column of rapidly

rotating air and having the appearance of a funnel-shaped

cloud whose lower end touches the ground?

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Class- VII Subject- Chemistry

Complete the following assignment questions 1 Form a sentence using the following words: baking soda, ant bite, moist, effect, neutralised, rubbing .

2 While playing in a park, a child was stung by a wasp. Some elders suggested applying paste of baking soda and others lemon juice as remedy. Which remedy do you think is appropriate and why?

3 Explain two neutralisation reactions related to daily life situations.

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Class- VII Subject- Biology


1) What are tropical rainforests? Name any five countries where

tropical rainforests are found.

2) Where are tropical rainforests found in India?

3) Write comparative account of climatic conditions between:

tropical rainforests and polar region.

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Class- VII Subject- History


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Class- VII Subject- Geography


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Class- VIII Subject- English

Complete the following assignment questions Class VIII Lesson 4 The Summit Within - Reader Comprehension Check Page 82 and 84 Lesson 4 Difficult words with meanings

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Class- VIII Subject- Marathi


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Class- VIII Subject- Maths


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Class- VIII Subject- Physics


1) How will you prove that sound travel through liquid? 2) Difference between music and noise. 3) Define: Frequency. 4) Define: One oscillation. 5) List some musical instruments that you know and also write their

parts when sound is produced by them.

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Class- VIII Subject- Chemistry

Complete the following assignment questions 1. Name two man-made substances, two natural and two exhaustible substances. 2. Name the gas which is formed when coal is heated in the absence of air. 3. Where was the first oil well drilled? 4. How many substances are found in coal tar? 5. Name the places where natural gas is found in India. 6. What are exhaustible natural resources? Explain with examples.

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Class- VIII Subject- Biology


1. What is Cell? Define its components.

2. What is microscope?

3. Why is the cell wall present in plant cells and not in animal cells?

4. Compare plant and animal cell on basis of cellular components.

5. Draw a diagram of animal cell and plant cell?

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Class- VIII Subject- History


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Class- VIII Subject- Geography


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Class- IX Subject- English

Complete the following assignment questions S Reader Lesson 4 Weathering the Storm in Ersama Thinking about the Text Page 42 Difficult words with meanings

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Class- IX Subject- Marathi

Complete the following assignment.

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Class- IX Subject- Maths


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Class- IX Subject- Physics


1) Define: Inertia. 2) Define: Momentum. 3) A body of mass 20kg is moving with a velocity of 4m/s. Find

its momentum. 4) Which will have more inertia

a) A toy car b) Real car 5) Why do we fall backward when a driver suddenly starts bus?

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Class- IX Subject- Chemistry

Complete the following assignment questions 1. Which separation techniques will you apply for the separation of the following?

(a) Sodium chloride from its solution in water. (b) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride. (c) Small pieces of metal in the engine oil of a car. (d) Different pigments from an extract of flower petals. (e) Butter from curd. (f) Oil from water. (g) Tea leaves from tea. (h) Iron pins from sand. (i) Wheat grains from husk. (j) Fine mud particles suspended in water.

2 State any one difference between pure and impure substances.

3 What do you understand by the statement 'the solubility of NaCl is 36.5 g at room temperature'?

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Class- IX Subject- Biology


1) How will you prevent infectious diseases? 2) What are the various ways of prevention of infectious diseases? 3) What do you mean by immediate and contributory causes? 4) Define: Vaccination. 5) List the general ways of preventing infectious diseases.

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Class- IX Subject- History


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Class- IX Subject- Geography


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Class- X Subject- English

Complete the following assignment questions Q1.You are ‘Wanda’. You are deeply hurt by the behavior of your classmates. Express your feelings in the form of a diary entry. Q2. How can you say that Maddie is an emotional girl? Compare and contrast Maddie and Peggy.

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Class- X Subject- Marathi


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Class- X Subject- Maths


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Class- X Subject- Physics


1) Define: Optical centre of lens. 2) Define: Focal length of a concave lens. 3) What do you mean by a concave lens? 4) What do you mean by a lens formula? 5) Draw a ray diagram for showing image formation when object

is placed between optical center and focus of convex lens.

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Class- X Subject- Chemistry

Complete the following assignment questions 1 With the help of a suitable example, explain how ionic compounds are formed. State any three general properties of ionic compounds.

2 . State reasons for the following observations: (i) The shining surface of some metals becomes dull when exposed to air for a long time. (ii) Zinc fails to evolve hydrogen gas on reacting with dilute nitric acid. (iii) Metal sulphides occur mainly in rocks but metal halides occur mostly in sea and lake waters.

3 .(a) What is meant by corrosion? Name any two methods used for the prevention of corrosion. (b) Suppose you have to extract metal M from its enriched sulphide ore. If M is in the middle of the reactivity series, write various steps used in extracting this metal.

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Class- X Subject- Biology

Complete the following assignment questions 1) A cross was made between pure breeding pea plants one with round and green seeds and the other with wrinkled and yellow seeds.

(a) Write the phenotype of F1progeny. Give reason for your answer. (b) Write the different types of F2 progeny obtained along with their ratio when F1 progeny was selfed. 2) We cannot pass on to our progeny the experiences and qualifications earned during our life time". Justify the statement giving reason and examples. 3) What is a sex chromosome?

4) The sex of the children is determined by what they inherit from their father and not their mother.” Justify.

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Class- X Subject- History


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Class- X Subject- Geography


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Class- XI Subject- English

Complete the following assignment questions Assignment – 4 SEPT – 2020 Class XI

Answer the following questions in 30 to 40 words:

1. How are Mrs Pearson and Mrs Fitzgerald contrasted? 2. I’m much obliged,” says Mrs. J Pearson. What for does she feel obliged and to whom? 3. What fortune does Mrs Fitzgerald predict for Mrs Pearson? 4. What problem does Mrs Pearson face? Who do you think is responsible for this state of affairs? 5. What course of action does Mrs Fitzgerald suggest to Mrs Pearson to tackle the situation? 6. What difficulties does Mrs Pearson face while dealing with the various members of her family? 7. “Then let me do it”, suggests Mrs Fitzgerald. How does Mrs Pearson react to it? 8. How does Mrs Fitzgerald plan to deal with the family of Mrs Pearson? 9. Why does Doris Pearson feel astounded on returning home? 10. That’s a nice way to talk What would happen if we all talked like that?” says Cyril. In what context does

he say so? What argument does he get in return? 11. “But any of you forty-hour-a weekers who expect to be waited on hand and foot on Saturday and

Sunday with no thanks for it, are in for a nasty disappointment,” says Mrs Pearson. How has she planned to spend the weekends?

12. Well that ought to be nice change for you” says Mrs Pearson. What ‘change’ does she refer to and how does George react to it?

13. “Annoyed because I don’t get a tea for him that he doesn’t even want”, says Mrs Pearson. What forces her to make this remark?

14. How, do you think, is George Pearson treated at the club? 15. Why is George Pearson incensed at Mrs Fitzgerald’s utterances? 16. What is Mrs Fitzgerald’s final advice to Mrs Pearson after reversion to their original personalities? 17. How does the stern treatment reform the spoilt children? 18. What is Mrs Fitzgerald’s final advice to Mrs Pearson after reversion to their original personalities? 19. How does the real Mrs Pearson learn about her daughter’s miserable state? 20. What would Mrs Pearson like the members of her family to do?

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Class- XI Subject- Maths

Complete the following assignment questions CLASS –XI SUBJECT – MATHEMATICS ASSIGNMENT- 6 TOPIC–LINEAR INEQUALITIES Q1. Solve 4x-7 > 5x-2 when (i) x is a natural number (ii) x is an integer (iii) x is a real number. Q2. Solve the following linear inequations, show the solution on number line:- (i) 2x-3 + 9 > 3 + 4x (v) 3x + 17 < 2(1 – x) 4 3 (ii) 3(x-2) > 5(2 – x) (vi) 2x+4 > 5 (iii) x + 3 < 2 5 3 x – 1 x – 2 (iv) 5x – 2 - 7x – 3 > x/4 3 5 Q3. Solve the system of inequalities and represent the solutions on the number line. (i) 5x + 3x > 39, 2x – 1 – x – 1 < 3x + 1 4 8 8 12 3 4 (ii) 2(2x + 3) – 10 < 6 (x – 2), 2x – 3 + 6 > 2 + 4x (iii) x > 1, 6x < 1 4 3 2x+1 4 4x-1 2 Q4. Solve graphically: - (i) 3x + 4y > 12, y > 1, x > 0 (ii) x – 2y > 0, 2x – y < -2, x > 0, y > 0 (iii) 2x+y < 24, x + y < 11, 2x + 5y < 40, x > 0, y > 0 Q5. In first four papers each of 100 marks, Rohit got 72, 83, 73, 95 marks. If he wants an average of greater than or equal to 75 marks and less than 80 marks, find the range of marks he should score in the fifth paper. Q6. The sum of two natural numbers is 121. If the sum of bigger number and four times the smaller is equal to or greater than 271, find all possible values of the smaller number. Q7. Given P = {x : 5 < 2x – 1 ≤ 11, x €R} and Q = { x : -1 < 3 + 4x < 23, x €E, x €I} Where R = real numbers and I = integers. Represent P and Q on two different number lines. Write down the elements of P &Q. Q8. The cost and revenue functions of a product are given by C (x) = 2x + 400 and R(x) = 6x+20 respectively, where x is the number of items produced by the manufacturer. How many items must the manufacturer sell to realize some profit? Q9. Solve :- - 4x > 30 when (i) x €R (ii) x €Z (iii) x €N Q10. Solve : 4x – 2 < 8, when :- (i) x €R, (ii) x € Z (iii) x €N Q11. How many litres of water will have to be added to 1250 litres of 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content?

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Class- XI Subject- Physics


1. For which of the following does the centre of mass lie outside the body? (a) A pencil (b) Ashotput (c) A dice (d) A bangle

2. When a disc rotates with uniform, angular velocity, which of the following is not true? (a) The sense of rotation remains same. (b) The orientation of the axis of rotation remains same. (c) The speed of rotation is non-zero and remains same. (d) The angular acceleration is non-zero and remains same.

3. A uniform square plate has a small piece Q of an irregular shape removed and glued to the centre of the plate leaving a hole behind in figure. The moment of inertia about the z-axis is then (a) increased (b) decreased (c) the same (d) changed in unpredicted manner

4. Choose the correct alternatives: (a) For a general rotational motion, angular momentum L and angular velocity ω need not be parallel. (b) For a rotational motion about a fixed axis, angular momentum L and angular velocity ωare always parallel. (c) For a general translational motion, momentum p and velocity v are always parallel. (d) For a general translational motion, acceleration a and velocity v are always parallel.

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5. The net external torque on a system of particles about an axis is zero. Which of the following are compatible with it? (a) The forces may be acting radially from a point on the axis. (b) The forces may be acting on the axis of rotation. (c) The forces may be acting parallel to the axis of rotation. (d) The torque caused by some forces may be equal and opposite to that caused by other forces.

6. What is the angular momentum vector in an orbital motion?

(a) The vector is perpendicular to the orbital plane (b) The vector is along the radius vector (c) The vector is parallel to the linear momentum (d) The vector is in the orbital plane

7.What is the acceleration of the rolling sphere at the centre of the plane with inclination, Ө to the horizontal?

(a) Zero (b) Less than g sin Ө (c) Greater than g sin Ө (d) g sin Ө

8. On which of the following factor does the moment of inertia of an object not depend upon

(a) Axis of rotation (b) Angular velocity (c) Distribution of mass (d) Mass of an object

9. What is the frictional force of a round object with mass M and radius R which rolls down the inclined plane without slipping along the way

(a) There is a decrease in the rotational motion (b) There is a decrease in the rotational and translational motion (c) There is a conversion of translational motion into rotational motion (d) Kinetic energy is converted into heat

10. When the torque acting on the system is zero, which of the following is constant?

(a) Linear impulse (b) Linear momentum (c) Force (d) Angular momentum

11. The angular momentum of a rigid body is L and its kinetic energy is halved. What happens to its angular momentum?

(a) L (b) 2L (c) L2 (d) L4

12. Consider two objects a disk and a sphere that has the same radius but different masses which roll down the two inclined planes with the same altitude and length. Out of the two objects, which one gets to the bottom of the plane first?

(a) It is dependent on the masses of the objects (b) Disk (c) Sphere (d) Both reach at the same time

13. What does L22I represent?

(a) Power (b) The torque of a particle (c) The potential energy of a particle (d) The rotational kinetic energy of a particle

14.The motion of planets in the solar system is an example of conservation of

(a) Energy (b) Linear momentum (c) Angular momentum (d) Mass

15.When does the moment of inertia of a body come into the picture?

(a) When the motion is rotational (b) When the motion is linear (c) When the motion is along a curved path (d) None of the above


Class- XI Subject- Chemistry


1. p-Block elements form acidic, basic and amphoteric oxides. Explain each property by giving two examples and also write the reactions of these oxides with water.

2. How would you explain the fact that first ionisation enthalpy of sodium is lower than that of magnesium but its second ionisation enthalpy is higher than that of magnesium?

3. What do you understand by exothermic reaction and endothermic reaction? Give one example of each type.

4. Arrange the elements N, P, O and S in the order of- (i) increasing first ionisation enthalpy. (ii) increasingnon metallic character. Give reason for the arrangement assigned.

5. Explain the deviation in ionisation enthalpy of some elements from the general trend by using Fig. 3.2.

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6. Explain the following:

a. (a) Electronegativity of elements increase on moving from left to right in the periodic table.

b. (b) Ionisation enthalpy decrease in a group from top to bottom?

7. How does the metallic and non metallic character vary on moving from left to right in a period?

8. The radius of Na+ cation is less than that of Na atom. Give reason. Among alkali metals which element do you expect to be least electronegative and why?


Class- XI Subject- Biology


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Class- XI Subject- Computer

Complete the following assignment questions Explain if else ladder Write Program to decide house of cadets

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Class- XII Subject- English


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Class- XII Subject- Maths


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Class- XII Subject- Physics

Complete the following assignment questions Chapter : 05

1. The permeability of a magnetic material is 0.9983. Name the type of magnetic materials it represents.

2. The susceptibility of a magnetic material is 1.9 × 10-5. Name the type of magnetic materials it represents.

3. Where on the surface of Earth is the angle of dip 90°? (All India 2011)

4. Where on the surface of Earth is the angle of dip zero? (All India 2011)

5. Where on the surface of Earth is the vertical component of Earth’s magnetic field zero? (All India 2011)

6. Current flows through a circular loop. Depict the north and south pole of its equivalent magnetic dipole.

7. A straight wire extending from east to west falls with a speed v at right angles to the horizontal component of the Earth’s magnetic field. Which end of the wire would be at the higher electrical potential and why?

8. Is the steady electric current the only source of magnetic field? Justify your answer. (Comptt. Delhi 2013)

9. Where on the surface of Earth is the horizontal component of Earth’s magnetic field zero?

10. A circular coil of N turns and radius R carries a current I. It is unwound and rewound to make another coil of radius R/2, current

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I remaining the same. Calculate the ratio of the magnetic moments of the new coil and the original coil. (All India 2012)


Class- XII Subject- Chemistry

Complete the following assignment questions Question 1- State adsorption isotherm? What is Freundlich adsorption isotherm? Question 2- State the difference between macromolecular, multimolecular and associated colloids in tabular form with examples. Question 3- Write observations for the following: (i) when an electric current is passed through a sol (ii) when a beam of light is passed through a sol (iii) when an electrolyte (NaCl) is added to ferric hydroxide sol. Question 4- State the difference between Physisorption and Chemisorption. Question 5- Account for the following: 1- Deltas are formed when seawater and river water meet. 2- Leather gets hardened after tanning. 3- The necessity to remove CO when ammonia is prepared through Haber’s process. 4- Write the dispersion medium of milk along with its dispersed phase. Question 6- Define: Lyophobic colloids or Irreversible sols Homogeneous catalysis Heterogeneous catalysis Associated colloids (Micelles) Aerosol Question 7.Define the term ‘Tyndall effect’.

Question 8What is the ‘coagulation’ process?

Question 9.Give an example of ‘shape-selective catalyst’.

Question 10.Define ‘electrophoresis’

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Question 11.What are lyophobic colloids? Give one example for them.

Question 12.Define ‘peptization’.


Class- XII Subject- Biology


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Class- XII Subject- Computer


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WEEKLY ASSIGNMENT - Sainik School Satara

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