45X Assignment Combine

DPS, Durg -1- Cl.- X, Assignment

DELHI PUBLIC SCHOOL, DURG

ASSIGNMENT 2013 – 2014

CLASS – X

ENGLISHENGLISHENGLISHENGLISH

ASSIGNMENT NO 1. Q1. Your school is organizing an Inter – school comptetion. ‘Win a Gentleman’s Award’ write a notice in about

50 words , inviting entries from the students. You are the Head Boy/ Head Girl of the school.

Q2. You are greatly distressed to see the beggar children on the streets living in poverty. Write a letter to the

Editor highlighting their plight, suggesting suitable remedies.

Q3.Who are actually the two gentleman of Verona? How does the narrator justify this?

Q4. What lesson do you learn from the two boys in ‘ Two Gentleman Of Verona’. Q5. Write a character sketch of Helen Keller in about 100 words.

ASSIGNMENT NO 2. Q1.You with your friend visited the Trade fair held in Pragati Maidan, New Delhi. Write an e- mail to your cousin

describing your visitin 120 words.

Q2. Write a speech on the topic ‘The crafty rule the world’.

Q3. What do you know about the Bingle Bog and its notable activity of the meeting of the frog and the

nightingale?

Q4. Which is the most important day in Helen’s life? How did she learn a few words for the first time?

Q5. Write the character sketch of Dr. Edward Everett Hale, one of Helen’s oldest friends.

ASSIGNMENT NO 3. Q1. You witnessed a quarrel among some boys outside your school yesterday. Write a diary entry in about 50

words giving an account of the quarrel.

Q2. Write a paragraph on the Topic ‘ The growing public concern for wildlife has led to wildlife rehabilitation’.

100 words

Q3. Describe two incidents that show that Helen Keller was very mischievous in her childhood.

Q4. Describe the element of surprise as the story concludes in ‘Mrs. Packletide’s Tiger’.

Q5.Is it right for Mrs. Packletide to shoot a tiger only to outshine her rival Loona Bimberton? What lesson does

the whole incident teach you?

ASSIGNMENT NO 4. Q1. The post man receives a letter from Miriam but not his own daughter. Describe what happens at 5 a.m .

Q2.You inter viewed ‘ The elderly’ in an old age home. They expressed their concern about their present

insecurity due to disintegration of the joint family system. Write a speech on the need of the youth to care for

their elderly.

Q3. Imagine Ali writes a letter to one of his friends about what he does before his death to get his daughter’s

letter. Write that letter on his behalf. 150 words.

Q4. ‘ Letters are not just scribbled words but are expressions of relationships.’ Write a letter to your sister asking

her to keep in touch as you have been posted in the remote area of Himachal Pradesh and you wait eagerly for

her letter.

ASSIGNMENT NO 5. Q1. What does the mirror talk about itself as given in ‘ Mirror’?

Q2. How did Helen learn the bitter lesson that ‘ nature is not always kind’?

Q3. Give a character sketch of Bishop Brooks , in about 100 words.

Q4. The bard’s beloved shall not be affected till the Judgement Day. Elaborate.

ASSIGNMENT NO 6. Q1. ‘Dear Departed’ by Houghton is a satire on society. Justify.

Q2. Your school has arranged a talk by a nutritionist . Draft a notice to infom the students of classes9 and 10

about the same. You are the Head Boy/ Head Girl.Laughter is the best therapy

Q3. Laughter is perhaps the best therapy that is an answer to the present day life- style diseases. Write an article

on Laughter – the best medicine.

Q4. How did the museums and art stores fascinate Helen?


ASSIGNMENT NO 7. Q1. You feel utterly helpless due to the gadget explosion. They have rendered you subservient to machines. Write

the diary entry.

Q2.How was the mystery of the language revealed to Helen?

Q3.Describe the role played by Helen’s father in her life.

Q4. Solar energy is a powerful source of energy . Write an article on it telling how it could be a very useful source

of energy in times to come.

ASSIGNMENT NO 8. Q1. Write a paragraph on the Role of Computers in day to-day life.

Q2. Write an article on the topic ‘ Inclusive Education is not an alternative but an inevitability’

Q3. You celebrated the new year differently by offering sweets and clothes to the poor families. Describe the

celebrations of the new year in this way in about 100 words.

Q4. Write a note on the parents of Helen Keller , in about 100 words.

MATHSMATHSMATHSMATHS

1. State the following

a) Fundamental Theorem of factorization

b) Euclid’s division algorithm theorem

2. Factories 9240 using Fundamental theorem of Arithmetic.

3. Prove that 2 + 5 is irrational number

4. Convert 2.356 in the form q

p

5. Find HCF of 196 and 38220 using Euclid’s division.

6. If ab be an irrational number, prove that ba + is irrational.

7. Write the following number in decimal form

a) 12

5 b)

9

4 c)

90

17

8. Check whether 4n can end with digel Zero (0) for any n N∈

9. Show that any positive odd integer is of form 4q + 1 or 4q + 3 where q is some integer.

10. Given that HCF of (306, 657) = 9, Find the LCM of (306, 657).

Assignment No. 2

1. Draw the graph of the quadratic polynomial x2 –2x + 3 and read off zeroes from the graph.

2. Draw the graph of the polynomial y = x3.

3. From a cubical polynomial with Zeroes α =3, 12 −=Yzβ and hence find i) Y++ βα ii) αβαβ ++ y Y

iii) αβ Y.

4. Find all the integral zeroes of the polynomial f (y) = y3 – 2y

2 + y +4.

5. Obtain all the zeroes of 3x4+6x3 – 2x2 –10x =5

6. For which value of h, will 4 be a zero of f(x) = x2 + hx + 4.

7. Show that x2 + 4x + 5 has no Zero.

8. Plot the graph of the function f(x) = -2x2 + 4x –4. Also determine the point where the function is maximum.

9. Find a quadratic polynomial each with the given numbers as the sum and the product of its zeroes respectively. a)

3 and 5 b) 0 and 3

10−.

10. Apply division algonthm to find the Quotient and remainder

p(x) = 6 + x4 – 5x, g(x) = 2-x

2


Assignment No. 3

Pair of linear equations in two variables

Quadrabc Equations

1. Solve by method of cross multiplication.

a) 2x + 3y = 46, 3x + 5y = 74. b) ax + by = c, bx + ay = 1 + c

2. If 4a + 3b = 65 and a + 2b = 35, find the value of a/b. Also find a,b.

3. Abdul traveled 300 km 5 hours 30 minutes. But if he travels 260 km by train and 240 km by taxi he takes 6

minutes longer. Find the speed of the train.

4. Solve for x, y ,287

=+yx

20122

=+yx

5. Ritu can row downstream 20 km in 2 hours and upstream 4km in 2 hour. Find her speed of rowing in still water

and the speed of curreul

6. Solve for x : .00,0,1111

≠≠≠++=++

xbaxbaxba

7. Solve for x: ),(2 qpxpx

q

qxp ≠=

−+

−

8. Solve for x : 4x2 – 4a

2x

+ a

4 – b

4=0,

9. Divide 26 into two parts whose sum of squares is 346. Find the numbers.

10. Ashu is m years old while his mother Mrs. Veena is m2 years old, 5 years hence Mrs Veena will be three times as

old as Ashu. Find their ages. A line AB is 8cm in length, AB is produced to P such that BP2 = AB. AP. Find the length of BP.

Assignment No. 4

1. If nth

term of a sequence is such that an = 2n + 5, find its first five terms.

2. Find 12th term of the series: 1,4,7,10, ….

3. Write the first five terms of the sequence an = 4

)5( 2 +nn.

4. Determine the A.P whose third term is 16 and 7th

term exceeds the 5th

term by 12.

5. Find the 20th term from the end of the A.P 3,8 13, …., 253.

6. The angles of a triangle are in A.P If the greatest angle equals the sum of the other two, find the angles.

7. If 7 times the seventh term of an AP is equal to 11 times its eleventh term. Show that the 18th

term of an A.P is

zero.

8. Find the sum of (-5) + (-8) + (-11) + .. + ( -230)

9. Find the sum of positive integers less than 400.

10. If m times the mth term and n times the nth term are equal, then show that (m+n)th term of A.P is Zero.

Assignment No. 5

1. ABC is a triangle right angled at C and P is the length of the perpendicular from C to AB prove that a) PC = ab

b) 2

1

p=

22

11

ba+

2. In an equilateral ∆ ABC, D is a point on BC such that BD = .3

1BC Prove that 9AD

2 = 7AB

2.

3. A right triangle has hypotenuse of length p cm and one side of length q cm. If p-q = 1 express the length of third

side of the right triangle in terms of p.

4. In the given hg, find the length of sides AB and BD.

A

20 D

C 15 B


5. In a ∆ ABC, AD is a median prove that AB2 + AC

2 = 2AD

2 + 2DC

2.

6. In given Fig DEFG is a square and ∠ BAC = 900. Prove that DE

2 = BD x EC.

A

G F

1 2

B D E C

7. State and prove Pythagoras theorem

8. Prove that sum of the squares of the sides of a Rhombus is equal to the sum of the squares of its diagonals.

9. State and Prove converse of Pythagoras theorem.

10. State and Prove Basic proportional by theorem

11. Prove that area o two similar triangles are in proportion with the square of their

corresponding sides.

Assignment No. 6

Trigonometry

1. Prove that : SinA

A

ecAA

ecAA cos1

1coscot

1coscot +=

+−

−+

2. Prove that : .tan2

2

3

2

θθθ

θθ=

−

−

COSCos

SinSin

3. Prove that COSA

ASin

SecA

SecA

−=

+

1

1 2

4. Prove that Sin4 COS+θ .sin21 224 θθ θ

COS−=

5. Prove that ACot

A

2

2

1

tan1

+

+ =

CotA

A

−

−

1

tan1

2

6. −− θθ CotCosec

1

θSin

1 =

θθθ CotCoSin +−

sec

11

7. θθθθ

θθ

CotSecCosSin

CosSin

−=

−+

+− 1

1

1

8. CosA

SinA

SecAA

SecAA +=

+−

−+ 1

1tan

1tan

9. Prove that θθ

θ

θ

θSec

Sin

Sin

Sin

Sin2

1

1

1

1=

+

−+

−

+

10. If Cos ,2 θθθ CosSin =+ Prove that Cos .2 θθθ SinSin =−

Assignment No. 7

Heights and distance

1. The angle of elevation of the top of a tower from a point on the same level as the foot of the tower is β . On

advancing P metres towards the foot of the tower, this angle of elevation becomes α . Show that the height ‘h’ of

the tower is given by h= .tantan

tantan

βα

βα

−

P


2. If the angle of elevation of a cloud from a point meters above a lake is α and the angle of depression of its

reflection in the lake is ,β Prove that the distance of the cloud from the point of observation is .tantan

sec2

αβ

α

−

h

3. The angle of elevation of a cliff from a fixed point A is θ . After going up a distance of K metres towards the top

of the cliff at an angle φ ,it is found that the the angle of elevation is α . Show that the height of the cliff in

meters is

αθ

αφφ

CotCot

CotSinCosK

−

− )(

4. From the top of a cliff 50m high, the angle of depression of the top and the bottom of a tower are 300 and 45

0

respectively. Find the height of the tower.

5. At the foot of a mountain, the elevation of its summit is found to be 450. After ascending 100m towards the

mountain of a slope of 300, the angle of elevation becomes 60

0, find the altitude of the mountain.

Assignment No. 8 Co-ordinate geometry

1. Determine if the points (1,5), (2,3) and (-2,-11) are collinear.

2. Find values of y for which the distance between the points P(2,-3) and Q(10,y) is 10 units.

3. Show that the points A(5,6) B(1,5), C(2,1) and D(6,2) are the vertices of a square. 4. Find the Co-ordinates of a point P on Y axis equidistant from two points A(-3,4) a .

5. Find the co-ordinates of the points of trisection of the line joining the points (4,-1) & (-2,-3).

6. Find the value of K for which the points A(-5,1), B(1,K) and C(4,-2) are collinear. Also find the ratio in which B

divides AC.

7. ABCD is a rectangle formed by joining the points A(-1,-1), B(-1,4), C(5,4) and D(5,-1) P,Q,R and S are the

midpoints of AB, BC,CD and DA respectively. Is the quadrilateral PQRS a square, rectangle or rhombus.

8. Find the centre and radius of the circum-circle of the triangle whose vertices are (-2,3) (2,-1) and (4,0).

9. Three consecutive vertices of 11gm ABCD are A(1,2) B(1,0) and C(4,0). Find the fourth vertex D.

10. If a is the length of one of the sides of an equilateral ∆ ABC, base BC lies on x axis and vertex B is at origin. Find

Co-ordinates of ∆ .

Assignment No. 9 Circles, Constructions

1. If OP = 17 cm and OT = 8cm, PT is a tangent to a circle whose centre is O. Find the length of the tangent segment

PT.

2. PA and PB are two tangents to a circle with centre O from a point P. If ∠ APB = 500 find the value of ∠ AOB.

3. In the given Fig, O is the centre of the circle. If PB = 3cm, AB = 7cm, PD =4cm find the length of DC.

B A

P D C

4. Prove that tangents at the extremities of any chord make equal angles with the chord.

5. A circle is inscribed in a ∆ ABC having sides 8cm, 10cm and 12cm as shown in fig. Find AD, BE and CF.

A

8 D F 12cm

B C

E

10

6. Construct a ∆ ABC, AC = 6cm ∠ B=300, altitude BD = 5cm. How many ∆ s

Can be drawn.

7. Draw a triangle ABC with side BC = 7cm, ∠ B=450, ∠ A=105

0, then construct a triangle whose sides are ¾

times of the corresponding sides of given ∇ ABC.


8. Draw two tangents from the end points of diametre, the radius of circle is 3cm. are these tangents parallel. Give

reasons.

Assignment No. 10.

Areas Related to circle.

1. How many times will the wheel of a car rotate in a journey of 1925m, if it is known that the radius of the wheel is

49cm.

2. A race track is in the form of a ring whose inner circumference is 352m and the outer circumference is 396m.

Find width of the track.

3. Find the perimeter enclosed by shaded region.

4. A triangle whose sides are respectively 5cm, 5cm and 8cm. Find the area of the circle inscribed in it ( λ =3.140).

5. Two circles touch internally. The sum of their areas is 116D sq cm and the distance between their centers is 6cm.

Find the radii. of circles .

Probability

6. Find the probability of gelling 53 Sundays in leap year. 7. If P(E) = 0.05, What is probability of ‘notE’.

8. A card is drawn from an ordinary pack and gambler bets that it is a spade or an ace. What are the odds against his

winning the bet.

9. Determine the probability of getting a total of eight in a single throw with two dice.

10. A card is drawn from a well shuffled deck of card, what is the probability of getting face cards.

Assignment No. 11.

Surface areas and volumes.

1. 2 cubes each of volume 64 cm3 are joined ends to end. Find the surface area of resulting cuboid.

2. A toy is in the form of a cone mounted on a hemisphere of radius 3.5 cm. The total height of the toy is 15.5cm.

Find its total surface area.

3. A wooden article was made by scooping out a hemisphere from each end of a cylinder as shown. If the height of

the cylinder is 10cm and its base is of diameter 7cm. Find the total surface area of the article when it is ready.

4. A 20m deep well with diameter 14m is dug up and the earth from digging is evenly spread out to form a plat form

22m x 14m. Find the height of the platform.

5. How many coins 1.75cm in diameter and 2mm thick must be melted to form a cuboid 5.5cm x 10cm x 3.5cm.

6. A sector of a circle of radius 15cm has the angle 1200. If is rolled up so that two bounding radii are joined together

to form a cone. Find the volume of the cone.

7. A cone is divided in to two parts by drawing a plane through mid point of its axes parallel to its base. Compare

the volume of the two parts in to which the plane divides the cone.

8. If the radii of the circular ends of a conical bucket which is 45cm high are 28cm and 7cm, find the capacity of the

bucket and surface area ( λ =22/7).

9. The height of a cone is 30 cm. A small cone is cutt of at the top by plane parallel to the base. If its volume be 1/27

of the volume of the given cone, at what height above the base is the section made.

10. A hollow con is cut by a plane parallel to the base and the upper portion is removed If the curved surface of the

remainder is 8/9 of the curved surface of the whole cone, find the ratio of the line segments in to


Assignment No. 12 Statistics

1. Consider the following distribution of daily wages of 50 workers of a factory. Find the mean.

Daily Wages 100-120 120-140 140-160 160-180 180-200

Number of workers 12 14 8 6 10

2. Find the mode for the above table.

3. Find the median for the following frequency dist.

X 6 7 5 2 10 9 3

Y 9 12 8 13 11 14 7

4. If the median distribution given below is 28.5 find the values of x and y. Total frequency : 60

Class interval: 0-10 10-20 20-30 30-40 40-50 50-60

Frequency : 5 x 20 15 y 5

5. The mean of the following frequency table is 50, but the frequencies f1 and f2 in classes 20-40 and 60-80

respectively are not known. Find f1 & f2.

Class : 0-20 20-40 40-60 60-80 80-100 Total

Frequency: 17 f1 32 f2 19 120

6. The following distribution represents the age of 35 females. Draw a less them type o give and find median and

verify the result using formula.

Age in yrs. : <15 <30 <45 <60 <75 <90

Numbers of females: 3 15 20 25 28 35 7. Write the relation ship between Mean, Median & Mode.

GENERAL SCIENCEGENERAL SCIENCEGENERAL SCIENCEGENERAL SCIENCE

PhysicsPhysicsPhysicsPhysics

ASSIGNMENT 1 ( X ) ELECTRIC CURRENT AND ITS EFFECTS

Q1 STATE S.I .UNIT OF RESISTANCE AND DEFINE IT?

Q2 NAME THE PHYSICAL QUANTITY EXPRESSED AS V & I?

Q3 STATE THE RELATION BETWEEN WORK, CHARGE AND POTENTIAL DIFFERENCE OF AN

ELECTRIC CIRCUIT?

Q4 ‘N’ RESISTORS EACH OF RESISTANCE ‘R’ ARE CONNECTED IN SERIES IN A CIRCUIT. WHAT IS

THE TOTAL EFFECTIVE RESISTANCE. IF SAME RESISTANCE ARE CONNECTED IN PARALLEL

THEN WHAT IS EFFECTIVE RESISTANCE ? ALSO FIND THE RATIO OF TOTAL EFFECTIVE

RESISTANCE IN SERIES TO EFFECTIVE RESISTANCE IN PARALLEL?

Q5 CALCULATE THE HEAT GENERATED BY TRANSFERRING 96500 C OF CHARGE IN 1Hr

THROUGH A P.D OF 20 VOLT?

Q6 WRITE THREE DIFFRENCE S BETWEEN ELECTRIC RESISTANCE AND RESISTIVITY OF

ELECTRIC CIRCUIT?

Q7 SHOULD THE HEATING ELEMENT OF AN ELECTRIC IRON BE MADE UP OF IRON, SILVER OR

NICHROME WIRE. GIVE REASON ?

Q8 2 RESISTOR OF R AND 2R ARE CONNECTED IN PARALLEL CALCULATE THE RATIO OF

ELECTRIC POWER CONSUME BY R AND 2R?

Q9 STATE OHM’S LAW AND VERIFY IT?

Chemistry Chemistry Chemistry Chemistry

ASSIGNMENT NO. 1 Lesson: 1 Chemical Reactions and Equations 1. ‘A few drops of acid, alkali or salt is added to water during its electrolysis.’ Why?

2. Consider the equation:

SO2 + 2H2S → 2H2O + 3S

Name the substance oxidized and the substance reduced.

3. (a) Name two most familiar antioxidants used in food items.

(b) Name two antioxidants occurring in natural fats.

4. Why aluminium sheets do not corrode easily?


5. On heating blue coloured powder of Copper (II) Nitrate in a boiling tube, Copper Oxide (black), Oxygen gas

and a brown gas ‘X’ is formed.

(a) Identify the brown gas ‘X’.

(b) Identify the type of reaction.

(c) Write a balanced chemical equation for the reaction.

(d) What could the Ph range of the aqueous solution of the gas ‘X’ be?

6. Why do we store Silver Chloride in dark coloured bottles?

7. A copper coin was kept dipped in Silver Nitrate solution for a few hours. What will happen to the copper coin?

What will happen to the colour of the solution?

8. A student dropped a few pieces of marble into a test tube containing dilute HCl. The gas evolved was passed

through lime water which turned milky. Write a balanced equation for the reaction.

9. Why is respiration considered as an exothermic reaction? Explain.

10. Identify the type of reaction:-

(a) AgNO3 + NaCl → AgCl(s) + NaNO3(aq)

(b) NH3 + HCl → NH4Cl

light

(c) 2H2O2----------→ 2H2O(l) + O2(g)

(d)Cl2 + 2KBr → 2KCl + Br2

ASSIGNMENT NO.2 Lesson: 2 Acids, Bases and Salts

1. Give reason:

(a) A person suffering from hyperacidity is advised to take antacid tablets.

(b) Compounds like alcohol and glucose also contain hydrogen but are not categorized as acids. (c) Distilled water does not conduct electricity whereas rain water does.

(d) Ph fresh milk will change when it changes into curd.

(e) Baking soda is not used for making cakes.

(f) Plaster of Paris (POP) should be stored in a moisture proof container.

(g) Temperature should be controlled while preparing POP.

(h) Bleaching powder deteriorates on exposure to air.

2. Identify the compounds:

(i) A certain compound is alkaline in nature. On exposure to air, it turns into white opaque powder. Identify the

compound and write two of its uses.

(ii) A metal compound ‘A’ reacts with dilute HCl to produce effervescence. The gas evolved extinguisher a

burning candle. Identify the compound ‘A’ and write balanced chemical equation for the reaction if one the

compounds formed is CaCl2.

(ii) A white powder having the odour of chlorine is used to remove yellowness of clothes in laundries. Name the

powder. How is it prepared? Write the reaction.

ASSIGNMENT NO.3 Lesson: 3 Metals and Non-Metals 1. ‘H2 gas is not evolved when a metal reacts with HNO3.’ Why?

2. ‘Sodium Chloride conducts electricity only in the form of its solution or molten state but not in the solid state.’

Explain.

3. ‘Galvanization is better than tinning.’ Why?

4. What are alloys? List the objects of alloy making.

5. Differentiate between mineral and ores.

6. Why non-metals do not react with gases to replace H2 gas?

7. What are the constituents of Brass and Bronze?

8. Compound ‘X’ and Aluminium are used to join railway tracks.

(a) Identify the compound ‘X’.

(b) Name the reaction.

(c) Write down a balance chemical equation for the reaction.

9. Two ores ‘A’ and ‘B’ were taken. On reacting ore ‘A’ gives CO2 whereas ‘B’ gives SO2. What will you take to

convert them into metals?

10. An element ‘A’ burns with a golden flame. It reacts with another element ‘B’ – a greenish yellow gas to form product ‘C’. An aqueous solution of ‘C’ on electrolysis gives a compound ‘D’ and liberates H2. Identify A, B,

C and D. Also write the reactions involved.


BiologyBiologyBiologyBiology

ASSIGNMENT - I

1.Name the vestigeal organ of human alimentary canal .

2. How does photosynthesis taken place in deserts plant?

3. What is photolysis of water ?

4. Write function of chlorophyll.

5. Why does leaf appear green?

6. Left ventricle has thickest wall why?

7. What is lymph ? Write its function?

8. How does water reaches in tall trees ?

9. What is Dialysis? Explain natural and artificial dialysis.

10. List the excretory products of plants.

ASSIGNMENT II

Topic- CONTROL AND COORDINATION

1 Differentiate between uni and multi polar neuron.

2. Write function of gustatory receptor

3. Draw structure of synapse

4. What is the basic function of receptor?

5. Draw diagram of human brain and label it

6. What is Nastic movement?

7. Write function of cytokinin and gibberlene.

8. How do auxine promote the growth of a tendril around a support

9.What is ‘Dwarfism’ ?

10 Why is pituitary gland is called mastergland?

ASSIGNMENT III

HOW DO ORGANISMS REPRODUCE

1.How many chromosomes are found in human ovum?

2.What is the importance of DNA copying in reproduction?

3.How does binary fission takes place in Leishmania?

4.Differentiate between fragmentation and regeneration.

5.Draw structure of germination.

6.Explain reproduction in bryophyllum.

7.Draw diagram of male and female reproductive system.

8.What is menstruation?

9.What is ovulation?

10.What do mean by menopause?

ASSIGNMENT IV

1.What are sex chromosomes?

2.How many chromosomes are found in human somatic cell?

3.What is allele?

4.What is the importance of sexual reproduction?

5.What do you mean by homologus pair of chromosomes?

6.What term did Mendle use for what we now call the genes?

7.Write phenotypic and genotypic ratio of monohybrid cross.

8.Give scientific name of theplant on which Mendle performed his experiment.

9.Write the expanded form of DNA.

10.Who is called father of genetics.


ASSIGNMENT V

1.Name two plastics which are bio-degradable.

2.What is green house effect?

3.Write three non-biodegradable substances.

4.What is eutrophication?

5.Draw a food web.

6.What are saprotrophes?

7.Write the ten percent law of energy

8.Define biological magnification.

9.What is trophic level?

10.Name the group of chemical compounds which adversely affects the ozone layer.

SOCIAL SCIENCESOCIAL SCIENCESOCIAL SCIENCESOCIAL SCIENCE

History History History History

TERM 1

WORK, LIFE AND LEISURE 1.Explain the social changes in London, which led to the need for Underground Railways. Also explain why the

underground railways was criticized.

2.Explain how the functions and shape of the family were completely transformed by life in the industrial city.

3.Describe the land reclamation measures undertaken in Bombay.

4.What were the new types of entertainment that emerged in London, which were provided by the state?

PRINT CULTURE AND THE MODERN WORLD Explain the following statements-

1.The shift from hand printing to mechanical printing led to the print revolution

2.The line that separated the oral and reading cultures became blurred.

3.’Printing is the ultimate gift of God and the greatest one’ 4.Tremble, therefore, tyrants of the world! Tremble before the virtual writer!.

5. Explain the impact of print culture on the following groups-

a.Indian Women b.Working classes in India and Europe c.Freedom fighters in India d.Children in Europe e.

Women in Europe f.Church in Europe g.Philosophers of Europe

TERM 2

NATIONALISM IN INDIA 1.Describe the people’s participation in the following movements- a. Non Co- operation Movement b.Civil

Disobedience Movement

2.Discuss the salt march to elucidate why it was an effective symbol of resistance against colonialism.

3.Explain the need for national symbols and analyse whether they were effective. Discuss all the national symbols in

detail.

THE NATIONALIST MOVEMENT IN INDO- CHINA 1.Explain the twin dilemma and its solution which was faced by the French in Indo China.

2.Explain in detail the three different approaches to the modernizing of Vietnam.

3.Describe the events in Vietnam between 1945 and 1965.

4.Explain the statement” The story of the Ho Chi Minh trail is one way of understanding the nature of the war that the

Vietnamese fought against the US.

5.Explain the statement- The war grew out of a fear among the US policy makers that the victory of the Ho Chi Minh

government would start a domino effect..”

6.Describe the changing role of women in the history of Vietnam in the 1960’s and 1970’s.


civicscivicscivicscivics

TERM 1

POWER SHARING 1.Explain the power sharing arrangement in Belgium.

2.What are the different forms of power sharing in modern democracies?

FEDERALISM 1.What are the key features of federalism?

2.How is federalism practiced in India?

3.Describe the changes that were brought about after 1992 to make the 3 rd tier of democracy more powerful and

effective.

DEMOCRACY AND DIVERSITY 1.Explain overlapping and crosscutting social differences in detail.

2.Explain the two ranges of outcomes, taking examples from Northern Ireland and Yugoslavia. 3.Discuss the three factors that determine the outcomes of politics of social divisions.

GENDER, RELIGION AND CASTE 1.What were the spheres in which women face discrimination?

2.Analyse the role of women in Indian politics.

3.Describe the different forms which communalism can take in politics.

4. What are the provisions which make India a secular state?

5. Caste can take various forms in politics. Explain these.

6.Explain with suitable examples that Indian politics is not all about caste.

TERM 2

POPULAR STRUGGLES AND MOVEMENTS 1.Compare the activities of Pressure Groups, Political Parties and Movements.

2.How do pressure groups and movements influence politics?

3.Analyse the influence of pressure groups and movements[ positive and negative].

POLITICAL PARTIES 1.What are the functions of political parties?

2.What are the types of party systems? Analyse the advantages and disadvantages of each type of party system.

3. Describe in detail the challenges faced by political parties.

4.What are the reforms that have been implemented to reform the working of political parties?

OUTCOMES OF DEMOCRACY Using relevant examples, show that democracy is better than all other forms of government.

CHALLENGES TO DEMOCRACY Explain in detail, the various challenges faced by democracy.

GEOGRAPHY TERM I

RESOURCE AND DEVELOPMENT 1.Imagine if soil supplies get exhausted how will this affect our life style ?

2.Mention few ways of planning or conserving resources .

3.Why has the land under forest not increased much from 1960-61 ?

4.Illustrate with suitable examples what is economic development ? What is the role of resource planning in

environment protection .

5.List the resources that be in your city but are yet to be developed .

FOREST AND WILD LIFE RESOURCES 1.Forests are natural resources while agricultural products are not why ?

2.How does the participation of people play a vital role in the conservation of forests .

3.Describe the Chipko movement and its effects on conservation of natural forests .

4.Identify the good religious and social practices that help in conserving forests and wildlife .

5.Comment upon the need for project tiger .How has the project been progressing .


WATER RESOURCES 1.Describe how water harvesting can be popularised and resorted in big cities . Why is it essential ?

2.For what reasons have multi purpose projects came under great opposition . comment

3.How does growing waterintensive commercial crops affect the soil ?

4.What factors have been responsible for detoriations in the quality of drinking water ?

5.Why is the practice of rooftop rain water harvesting losing popularity in some parts of Rajasthan ?

AGRICULTURE 1.How has climate made our land more valuable from the agricultural point of view ?

2.Briefly comment upon some institutional reforms introduced by the govt. With a view to help the farmers

3.Punjab and Haryana grow both rice and wheat even though the two crops need different inputs . How has it become

possible .?

4.State the features of intensive farming .

5.Mention the main features of day land farming .

THE STORY OF DEVELOPMENT – ECONOMICS 1.Differentiate between the criterion used by world bank and the one used by UNDP for classifying countries .

2.What should be the developmental goals for developing countries like India .

3.How are the following calculated -------- Infant mortality rate , Literacy rate , Life expectancy and birth

4.Look around and identify the sources of environmental degradation in your neighbourhood .

5.High salary jobs are not always the most satisfying option . Comment

SECTORS OF INDIAN ECONOMY 1.How do we count the various goods and services and know the total production in each sector

2.Workers in the agricultural sectors are not producing as much as they could . comment

3.Why is the primary sector so named . What other name can we give to this sector ?

4.Explain the objectives of NREGA . 5.Teritary sector is not playing any significant rule in creation of more jobs . comment

TERM – 2

Mineral and energy resources 1.India now ranks as wind super poweer of the world . is it true ?

2.How do we conserve energy resources .

3.India is fortunate to have fairly rich and varied mineral resources . How ever there are unevenly distributed

.comment

4. What are the hazards of minig ?

5. How are bauxite deposits formed ? In which region is bauxite formed ?

MANUFACTURING INDUSTRIES 1.How can agriculture and industry go hand in hand ?

2. Discuss the steps to be taken to minimise environmental degradation by industry .

3. What is the contribution of industry to the national economy ?

4.What is India’s status in chemicals production ?

5.What is the present position of automobile industry in India ?

LIFELINES OFNATIONAL ECONOMY 1.What are the major objectives of super highways ?

2.Give three advantages of personal communications .

3.How does India account for the largest telecom network in India ?

4.What are the advantages of using pipelines ?

5.What is the strategic importance of New Mangolore and Kuchi ports ?

6.What are the benefits of Border roads ?

MONEY AND CREDIT 1.How in modern form of currency accepted as a medium of exchange ?

2.How are co operatives functioning in the rural areas to solve the problem of credit ?

3. Why do we need to expand formal sources of credit in India ?

4.Who takes the important decisions of SHGs and why ?

5.What is a cheque ? How it replaces currency ?

GLOBALISATION AND THE INDIAN ECONOMY 1.What are the basic functions of foreign trade ?

2. What changes do you find wqith the arrival of MNCs in the markets ? 3.What is the impact of globalisation on the consumers of india ?

4.How was the liberalisation policy gradually adopted in India ?

5. How companies providing services were benefitted by globalisation ?

COMNSUMER RIGHTS


1.How do you excercise the right to seek redressal ?

2.How the Right to information has been expanded to cover various services provided by the govt. ?

3.What is the judicial structure co consumer disputes in India ?

4.Why quality measurements are used to satisfy a consumer ?

5.Write a note on Consumer International .

GeographicGeographicGeographicGeographic

....

FRENCHFRENCHFRENCHFRENCH

Assignment Book Cahier D’Exercices [ Entre Jeunes -2]

Term I

Assignment i Chapter 1`Pages10-24[ Ex 1-20]

Assignment 2 Chapter 2 Pages 33,34,38 [ Ex 1,2,7,8]

Assignment 3 Chapter 3 Pages 48-61 [Ex 1-16] Summer Vacation Homework

Assignment 4 Chapter 4 Pages 67-72[ Ex 1,2,4,9,10,11]

Assignment 5 Chapter 5 Pages 80-85 [Ex 1,2,7,8,9,10,11]

Term II

Assignment 6Chapter 6 Pages 90-97 [ Ex 1-3,9-11]

Assignment 7 Chapter 7 Pages 108-112[ Ex5- 12]

Assignment 8 Chapter 8 Pages122- 128 [ Ex1,4,6-10]

Assignment 9 Chapter 9 Pages 148- 149[ Ex 12,13]

Assignment 10 Chapter 10 Pages 155- 161 [Ex 1,7- 10]

Documents

45X Assignment Combine