WEEKLY ASSIGNMENT

Month- June Week – 3

Class- 7 Subjects- English

Complete the following assignment questions

Chapter 2. A Gift of Chappals

Working with Text and Working with Language

WEEKLY ASSIGNMENT


Class- 7 Subjects- Marathi


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Class- 7 Subjects- Maths


1. What should be divided by (-7) to obtain 12.

2. 19 + (-10) + (-1) + 3 =

3. (-8) + (-3) + (+ 4) =

4. Karim lives in Shrinagar , Kashmir. The table below shows the

temperature changes in Shrinagar over three hour period.

Time Change in temperature

5 a.m. to 6 a.m. -1.50C

6 a.m. to 7 a.m. -2.60C

7 a.m. to 8 a.m. +10C

Karim noticed that temperature at 5 a.m. was -3.50C . What is

the temperature of Kashmir at 8 a.m. Hint:- Start with

temperature at 5 a.m. and add the change in temperature over

three hour period to find the temperature at 8 a.m.

5. In a test containing 10 questions, (+5) marks are given for

every correct answer and (-2) marks are given for every

incorrect answer.

a) Lalitha gets five correct and five incorrect answers. What is her score? b) Nalini gets six correct and four incorrect answers. What is her score?

6. A bomb displaces the oil in a well from 975 m deep and raises

it to a deposit place 48 m above ground level. How far does the

oil displace?

7. What is the change in temperature a customer in a grocery

store experiences when they walk from the chilled vegetable

section at 4 ºC to the frozen fish section which is set to −18

ºC?

WEEKLY ASSIGNMENT


Class- 7 Subjects- Physics


1) Does shearing hurt the sheep?

2) What is Sericulture?

3) Draw a sketch showing stages in life cycle of silk moth.

4) What do you mean by shearing?

5) Which stage of silk moth produces the silk?

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WEEKLY ASSIGNMENT


Class- 7 Subject- Chemistry


Q1 Stage whether distilled water is acidic, basic or neutral? How will you confirm it? Q2Give important use of milk of magnesia in our everyday life. Q 3 What happens when an ant stings? What is its remedy?

WEEKLY ASSIGNMENT


Class- 7 Subject- Biology


1) Draw a diagram of stomata showing guard cells in it.

2) Draw a labeled diagram showing the process of photosynthesis.

3) Define - Insectivorous plants.

4) What do you mean by parasitic nutrition?

5) Explain how Pitcher plants get their nutrition?

6) What is saprotrophic mode of nutrition?

7) What is the role of leguminous plants in replenishing soil fertility?

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WEEKLY ASSIGNMENT


Class- 7 Subjects- History


1 what is meant by the internal and external frontiers of the sultanate?

2 What was the impact of the Mongol invasions on the Delhi Sultanate?

3 List the rulers of Delhi sultanate?

4 How can we find out about the Delhi Sultanate?

WEEKLY ASSIGNMENT


Class- 7 Subject- Geography


Q1-) Draw a flow diagram of Earth Movements.

Q2-) Define the following terms -- A) Endogenic Forces

B) Exogenic Forces C) A volcano

D) Seismic Focus E) Epicenter

WEEKLY ASSIGNMENT


Class- 8 Subjects- English


Lesson 2.

Comprehension Check- Page 27,29,30

Working with the text Page 30,31

Working with language- Page 31,32

Speaking and writing- Page 32

Grammar- Write the chart of active passive voice (tense chart)

Exercise:

Change the voice of the following sentences:

1. 1 Ram gave me a book.

2. Someone has taken my pen.

3. My friends are playing cricket on the ground.

4. His uncle had written a nice story.

Lesson 2. Difficult words with meanings

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Class- 8 Subjects- Marathi

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Class- 8 Subject- Maths


1) Identify the algebraic linear equations from the given expressions.

(a) x2 + x = 2

(b) 3x + 5 = 11

(c) 5 + 7 = 12

(d) x + y2 = 3

2) Solve the following linear equations:

(a) 4x + 5 = 9

(b) x + = 2x

(c) x+2

3=2x+

6

5

(d) (x – 2) + (x – 3) + (x – 9) = 0

3) The breadth of a rectangular garden is of its length. If its perimeter is 40 m, find

its dimensions.

4) The difference between two positive numbers is 40 and the ratio of these

integers is 1 : 3. Find the integers.

5) The angles of a triangle are in the ratio 2 : 3 : 4. Find the angles of the triangle.

6) Deveshi has a total of Rs 590 as currency notes in the denominations of Rs 50,

Rs 20 and Rs 10. The ratio of the number of Rs 50 notes and Rs 20 notes is 3:5.

If she has a total of 25 notes, how many notes of each denomination she has?

WEEKLY ASSIGNMENT


Class- 8 Subject- Physics


1. Define –Pressure

2. Write formula for pressure

3. What is the SI unit of pressure?

4. A force of 30N is applied on an object of area 8 m2 calculate

the pressure.

5. Why a sharp knife cuts better than a blunt knife?

WEEKLY ASSIGNMENT




Q1 Why are electric switches plugs and sockets made of thermosetting plastic? Q2 Explain why plastic containers are preferred for storing food? Q3 What is mean by the three R principle ? Q4 What are synthetic fibres? Name any two synthetic fibres. Q5 Explain why thermoplastic become soft on heating but thermosetting plastic do not become soft on heating? Draw labelled diagram to illustrate your answer.

WEEKLY ASSIGNMENT




1) What are the main types of crops in India?

2) Why sowing seeds with seed drill is better than broadcasting?

3) What are weeds?

4) What is irrigation? Describe two methods of irrigation which

conserve water.

5) What do you mean by weeding? Why the process of weeding

necessary?

6) Define: Animal Husbandry

7) What are the steps involved in animal husbandry?

8) What is green revolution?

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WEEKLY ASSIGNMENT


Class- 8 Subject- History


1 Describe the main features of the permanent settlement.

2 Why were ryots reluctant to grow indigo?

3 Write any three reasons for the demand of Indian indigo.

4 How was the mahalwari system different from the permanent settlement?

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WEEKLY ASSIGNMENT




Q1-) Draw a flow diagram of Types of Mineral.

Q2-) Draw a flow diagram of Extraction of Minerals and explain each of them.

Q-3-) How can we identify the minerals? Q4-) what is mineral? Give examples for each type.

WEEKLY ASSIGNMENT


Class- 9 Subject- English


Reader

Lesson 2. The Sound of Music

Thinking about the text Page 20,25,26

Thinking about Language- Page 26 27 Supplementary Reader

Lesson 2. Difficult words with meanings

WEEKLY ASSIGNMENT


Class- 9 Subject- Marathi


WEEKLY ASSIGNMENT




Q.1 Simplify

a) (8+ 5 )(8- )5 b) (10+ 3 )(6+ 2 )

c) ( 113 )2 d) ( 113 )2

Q.2 Rationalize the denominator

a) 13

2

b)

27

5

c)238

1

d)

325

1

Q.3Represent following numbers on number line.

a) 4.11 b) 7.9 c) 9

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1. Define - Uniform Motion

2. The distance time graph of a moving body is a curved line. What does it

mean?

3. Define – Speed

4. Write formula for speed

5. The train A travelled a distance of 120 km in 3 hours, whereas another train

B travelled a distance of 180 km in 4 hours. Which train travelled faster?

WEEKLY ASSIGNMENT




Q1 Give reasons –Wooden table should be called a solid. Q2 When a solid melts, its temperature remains the same so where does the heat energy go ? Q3 Define----

(i) latent heat of vaporization (ii) latent heat of fusion

Q4 Convert the following temperature to kelvin temperature – (i)100 0C (ii) 520 0C (iii)317 0C Q5 Define the term sublimation. Name four substances which shows the process of sublimation.

WEEKLY ASSIGNMENT




1) Give one function of RER and SER.

2) Where is a nucleus located in a cell?

3) Write down the functions of cell wall?

4) Draw a labeled diagram of nucleus.

5) A cell will swell up if

a) The concentration of water molecules in the cell is higher than

the concentration of water molecules in the surrounding medium

b) The concentration of water molecules in the surrounding

medium is higher than the concentration of water molecules in the

cell.

c) The concentration of water molecules is same in the cell and in

the surrounding medium

d) The concentration of water molecules does not matter.

6) Which of the following statements is not related to the

endoplasmic reticulum?

a) It behaves as transport channel for proteins between nucleus

and cytoplasm.

b) It transports materials between various regions in cytoplasm.

c) It can be the site of energy generation.

d) It can be the site of some biochemical activities of the cell.

7) The process of plasmolysis in plant cell is defined as:

a) Breakdown of plasma membrane in hypotonic solution

b) Shrinkage of cytoplasm in hypertonic medium

c) Shrinkage of Nucleoplasm.

d) None of these.

WEEKLY ASSIGNMENT




Q.1 Draw up a list of demographic rights we enjoy today whose

origins could be traced to the French revolution.

Q.2 Explain the rise of Napoleon Bonaparte to the power.

Q.3 Describe the legacy of the French revolution for the people

of the world during the 19th and 20th centuries.

Q.4 List some changes that appeared in the lives of men after the

French revolution.

WEEKLY ASSIGNMENT




IX-GEO-RAS-W3-JUNE

1. Define the following terms.

Volcanic Activity Faulting Folding Tethys

Gondwanaland Convergent Boundary Sediments

Divergent Boundary Igneous Rocks Sedimentary Rocks

Metamorphic Rocks Relief Subcontinent Plains

Tectonic Plates Physiographic Plateau Valley

Glacier River Basin Delta Tributaries

Lagoons Island Desert Mountain Pass

Alluvial Plains Pamir Knot Himadri Himachal

Shiwaliks Majuli Island Doab Bhabar Terai

Banger Khadar Western Ghats Eastern Ghats

Corals.

2. Prepare the list of the 10 highest mountain peaks of Himalayas.

3. How were the Indo-Gangetic plains formed?

4. Name the important passes in the Himalayas and in the Western Ghats.

5. Name the important valleys of the Himalayas.

6. What is Purvanchals?

7. Distinguish between The Himalayas and Peninsular Plateau.

8. Describe the features of the Deccan plateau.

9. Distinguish between Eastern coastal plains and western coastal plains

10. Give a brief account of the Island groups of India.

11. Complete the textbook exercise and map skills accordingly.

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WEEKLY ASSIGNMENT




Chapter 2.

Nelson Mandela ‘Long Walk to Freedom’

Thinking about Text and Thinking about Language

Page no. 24 , 25 ,26 and 27.

WEEKLY ASSIGNMENT


Class- 10 Subject- Marathi

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WEEKLY ASSIGNMENT




1. Name the gases which cause acid rain.

2. Write the use of catalytic converter.

3. What is the composition of Liquefied Petroleum Gas?

4. Why should we use alternative sources of energy?

5. Explain the working of thermal power station with the help of neat

diagram.

WEEKLY ASSIGNMENT




Q1 Why should curd and sour substances not be kept in brass and copper vessels? Q2 Which gas is usually liberated when an acid react with metal? Illustrate with an example .How will you test for the presence of this gas? Q3 Why do HCl, HNO3 shows acidic characters in aqua solution while solution of compounds like alcohol and glucose do not show acidic properties? Q4 Why does dry HCl gas not change the colour of dry litmus paper?

WEEKLY ASSIGNMENT




1) Arrange the following parts of the alimentary canal in proper

order.

Esophagus, large intestine, pharynx, small intestine.

2) What is the function of large intestine in human digestive

system?

3) Draw a neat and labeled diagram of human digestive system

4) Explain the role of pancreas and liver in human digestion?

5) What is small intestine designed for absorption? Describe in

short.

6) Name the site of complete digestion of food in human digestive

system.

7) What are the different types of teeth? Give one function of each.

8) What is the role of hydrochloric acid in digestion?

WEEKLY ASSIGNMENT




1. How did culture play an important role in creating the idea of the nation in

Europe? Explain with examples.

2. What is the nations-state?

3. Write short notes on Greek war of independence.

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WEEKLY ASSIGNMENT




X-GEO-RAS-W3-JUNE GEOGRAPHY

1. What are the various forces of nature that contribute to the formation of Soil? What is the

importance of Soil?

2. Describe the following methods of the soil conservation.

Terrace farming Shelter belts Mulching

Strip cropping Contour Ploughing

3. Explain four human activities which are mainly responsible for land degradation in India?

4. Distinguish between Biotic and Abiotic resources, Khadar and banger, Alluvial

Soil and Black Soil.

5. Write a short note on Rio De Janeiro Earth Summit 1992 and Brundtland Commission

Repot 1987.

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WEEKLY ASSIGNMENT




A Photograph

Questions

1. What does the word ‘cardboard’ denote in the poem? Why has this word been

used?

2. What has the camera captured?

3. What has not changed over the years? Does this suggest something to you?

4. The poet’s mother laughed at the snapshot. What did this laugh indicate?

5. What is the meaning of the line “Both wry with the laboured ease of loss.”

.6. What does “this circumstance” refer to?

7. The three stanzas depict three different phases. What are they?

Discovering Tut: the Saga Continues

1. Give reasons for the following.

(i) King Tut’s body has been subjected to repeated scrutiny.

(ii) Howard Carter’s investigation was resented.

(iii) Carter had to chisel away the solidified resins to raise the king’s remains.

(iv) Tut’s body was buried along with gilded treasures.

(v) The boy king changed his name from Tutankhaten to Tutankhamun.

2. (i) List the deeds that led Ray Johnson to describe Akhenaten as “wacky”.

(ii) What were the results of the CT scan?

(iii) List the advances in technology that have improved forensic analysis.

(iv) Explain the statement, “King Tut is one of the first mummies to be scanned—in

death, as in life...”

WEEKLY ASSIGNMENT




1. Which of the following relations are functions? Give reasons.

(i) {(1,1),(2,1),(3,1),(4,1),(5,1)}

(ii) {(1,1),(2,4),(3,9),(4,16),(5,25)}

(iii) {(1,2),(2,3),(3,4),(4,3),(3,2)}

(iv) {(1,2),(2,2),(3,2)}

2. Let 12,13,14,15,16,17A and :f A Z be a function given by, x A ,

( )f x highest prime factor of x . Write f in roster form. Find range of f .

3. Let :f R R be defined by

3 2, 0

( ) 1, 0

4 1, 0

x x

f x x

x x

Find (i) ( 3)f (ii) (0)f (iii) (5)f (iv) 1

4f

.

4. Let :f R R and :g R R be two functions defined as ( ) 2f x x and

2 1g x x . Find (i) f g x (ii) f g x (iii) f g xg (iv) f

xg

.

5. If 1

1

xf x

x

, show that

3 12

3

f xf x

f x

.

6. Find the domain and range of the following real functions:

(i) 2

2

xf x

x

(ii) 2

1

1f x

x

(iii)

2

2

xf x

x

(iv) 2 16f x x

……………………………..

WEEKLY ASSIGNMENT




1. What is meant by “point object” in Physics? 2. When do you say that a body is in motion? 3. Define displacement. 4. Can the displacement of moving body be zero? 5. Define speed. Give its units. 6. Define velocity. Give its units. 7. Define uniform velocity. 8. Define variable velocity (OR) Non–uniform velocity. 9. Define average velocity. 10. Define acceleration. 11. Define uniform acceleration. 12. What does the slope of position time graph indicates? 13. Draw the position time graph of a particle which is at rest. 14. Draw the position time graph of an object starting from

rest and moving with uniform velocity. 15. What does the slope of velocity-time graph indicate? 16. What does the area under velocity time graph indicate? 17. An object is moving with uniform velocity. What is its

acceleration? 18. How do you determine instantaneous velocity of a particle

from the position time graph?

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WEEKLY ASSIGNMENT




Q.1 What are redox reactions ? Write one example of redox reaction.

Q.2 Identify the substance oxidized and the substance reduced. Also find the oxidants

and reductants in the following redox reactions:

(a) 4Al + 3O2 2 Al2O3

(b) 2Na + H2 2NaH

(c) CH4 + 2O2 CO2 + 2H2O

Q.3 Split the following redox reaction in the oxidation and reduction half reactions:

(a) 2K + Cl2 2KCl

(b) Zn + Cu2+ Zn2+ + Cu

(c) Al + 3Ag+ Al3+ + 3 Ag

Q.4 Calculate the oxidation numbers of the highlighted/underlined elements in the

following species :

(a) H2CO3 (b) HNO3 (c) PO42- (d) NaBH4 (e) K2CrO4 (f) K2MnO4 (g) S2O72- (h)

Pb3O4

Q.5 Give reasons :

(a) Flourine shows the only oxidation state of -1 in most of its compounds

(b) Metals are electropositive in nature

(c) Hydrogen shows negative oxidation number in metal hydrides

(d) Heavy metals shows variable oxidation states

WEEKLY ASSIGNMENT




1. Who proposed five kingdom system of classification?

2. Write the important characters of Archaebacteria.

3. Classify the protozoan with examples in kingdom Protista.

4. Write few characters of kingdom Plantae.

5. What are viruses? How does it differ from viroids?

6. Briefly describe Lichens and its importance.

WEEKLY ASSIGNMENT


Class- 11 Subject- Computer


Q1) Explain ascii code

Q2) Explain Iscii code

Q3) Explain Un9code

Q4) Write Binary equivalent of decimal numbers upto 15

Q5) Convert (AB)16=(?)10

WEEKLY ASSIGNMENT




The Third Level

Questions

1. How many levels are there in the Grand Central Station?

2. How did Charley reach the third level of the Grand Central

Station?

3. What is the role of the stamp – collection in the story?

4. How did Charley ascertain that he had reached the 1894

world?

5. Why did Charley run away from the third level?

6. What was Sam’s answer to Charley’s dilemma?

7. Why was Charley not able to get to Galesburg?

8. How did Sam reach Galesburg? How did he settle down

there?

9. How did Sam’s mail reach Charley?

10. What was Charley’s strange experience at the Grand

Central Station?

11. ‘The modern world is full of insecurity, fear, war, worry and

stress.’ What are the ways in which we attempt to overcome

them?

WEEKLY ASSIGNMENT




Ch.3. Matrices ASSIGNMENT -1

1. If 1 7 1

2 5 4 5

x y

y

, find x .

2. Write the element 23a of a 3 3 matrix ijA a whose elements

ija are given

by 2

ij

i ja

.

3. If cos sin

sin cosA

, then for what value of , A is an identity matrix?

4. Find the values of , , ,x y z t , if 1 1 3 5

2 3 30 2 4 6

x z

y t

.

5. If 3 1

1 2A

and

1 0

0 1I

, find k , so that 2 5A A kI .

6. If

2 2

3 1

4 0

A

,

6 2

1 3

0 4

B

, find matrix C such that A B C is a zero matrix.

7. If

8 0

4 2

3 6

A

,

2 2

4 2

5 1

B

, find matrix X such that 2 3 5A X B .

8. Find the product:

2 3 4 1 3 5

3 4 5 0 2 4

4 5 6 3 0 5

.

9. If A is a square matrix such that 2A A , then simplify 3

7A I A , where I

is an identity matrix.

WEEKLY ASSIGNMENT

10. If

1 0 2

0 2 1

2 0 3

A

, show that 3 26 7 2 0A A A I .

ASSIGNMENT -2

1. If a matrix has 8 elements, what are the possible orders it can have?

2. Find the number of all possible metrics of order 3X3 with each entry 0 or 1.

3. If , write a33, a12 .

4. Prove that if the matrix A is both symmetric and skews symmetric, then A

is a zero matrix.

5. If A and B are symmetric matrices of the same order, prove that

(i) AB + BA is symmetric. (ii) AB – BA is skew symmetric.

6. If A is any square matrix, prove that AA’ is symmetric.

7. Find x , if

8. Give example of matrices A and B such that AB = 0, BA = 0, A 0, B 0.

9. If , show that f(x). f(y) = f(x+y).

10. If , find K .So that A2 = KA – 2I.

11. Find the inverse of the following matrix using elementary operations

12. , find a matrix D such that CD – AB = 0.

13. then show that A3 – 23A – 40I = 0.

14. Express the matrix as the sum of a symmetric and a skew

symmetric matrix.

15. If ,

show that AB is a zero matrix if and differ by an odd multiple of

16. If and f(x) = x2 – 5x + 7, find f(A).

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1. Define electric potential. Derive potential due to point

charge.

2. Derive the expression for the potential due to a system of

charges.

3. Two charges are located 16 cm

apart. At what point(s) on the line joining the two charges is

the electric potential zero? Take the potential at infinity to be

zero.

4. Two charges are located 16 cm

apart.Find the net potential at the mid point on line joining

the charges?

5.Derive electric potential at any point due to an electric

dipole?

WEEKLY ASSIGNMENT




Q.1 (a) Define Henry’s law.

(b) Oxygen gas is bubbled through water at 293 K. If it exerts a partial pressure of

0.82 bar, calculate the mass of oxygen dissolved in water ( KH = 34.84 Kbar)

Q.2 (a) What do mean by ‘Vapour pressure ’?

(b) Explain the Raoults law for a binary solution of two miscible volatile liquids

Q.3 The vapour pressures of pure liquids A and B are 400 mm Hg and 650 mm Hg

respectively at 300K. Find the composition of liquid mixture and also vapour phase,

if the total vapour pressure is 610 mm Hg.

Q.4 Explain Ideal and Non-ideal solutuion with at least one example each:

Q.5 (a) What are Azeotropes?

(b) Explain two types of Azeopropes

(c) Azeotropes cant be separated even by fractional distillation method. Give

reason:

WEEKLY ASSIGNMENT




1. Define cross pollination.

2. What is apocarpous condition in a flower?.

3. What will happen if fertilization fails in angiosperms?

4. Discuss double fertilization in angiosperms.

5. What is a flower? Differentiate its essential and non essential floral organs.

6. Define oviparity and vivipary.

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WEEKLY ASSIGNMENT


Class- 12 Subject- Computer


Explain E-coomerce

Explain FTP Protocal

Explain concept of packet in data transmission

Explain concept of firewall

Explain briefly Information technology Act of india

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WEEKLY ASSIGNMENT

Documents

WEEKLY ASSIGNMENT