DOON PUBLIC SCHOOL, PASCHIM VIHAR
Summer Vacation (2017-18)
Holidays Homework
Class: 10
Assignments should be done in the Assignment registers and should be submitted to the
subject teachers on the day of reopening.
Subject: English
1. Read the novel, “The Diary of a Young Girl ”
2. Do the exercises of Work Book Unit 1 to 4.
3. Do the Literature assignments.
4. Revise the syllabus done in the class.
Prose: Two Gentlemen of Verona
Q1. The following afternoon we drove to the tiny village set high upon the hill side.
a) Who went on a trip to the tiny village?
b) Which village had they driven to?
c) Why was the narrator surprised when Jacopo directed him as to where he should stop?
Q2.He smiled uncomfortably. ‘Just plans sir’, he answered in a low voice.
a. Who is ‘he’ in the above lines?
b. Why did ‘he’ smile uncomfortably?
c. Which word in the extract is the antonym of ‘cried’?
Q3.The two boys were seated at the bedside of a girl of about twenty-two, propped up on
pillows, wearing a pretty lace jacket, who was listening to their chatter, her eyes soft and tender.
a) Who are the two boys
b) Why are they sitting at the bedside of a girl?
c) What does the phrase, ‘propped up’ mean?
Q4.Although Nicola and Jacopo were young boys, the author refers to them as two gentlemen.
Why do you think that he do so?
Q5. What did the nurse tell about the two boys to the narrator?
Value based question
Q6.‘When you live for a strong purpose, then hard work isn’t an option. It is a necessity.’ Both
Nicola and Jacopo were hard working and uncomplaining. You too realized the importance of
hard work after reading their story. Write an article in 120-150 words on the ‘Virtues of Hard
Work.’
Poem: The Frog and the Nightingale
Q1. Now the nightingale inspired,
Flushed with confidence, and fired
With both art and adoration,
Sang - and was a huge sensation.
a) Name the poem and the poet.
b) Why did the nightingale flush with ‘confidence’?
c) How did she become a sensation?
Q2. Now the frog puffed with rage.
“Brainless bird- you’re on the stageUse your wits and follow fashion.
Puff your lungs out with your passion.”
a. Why was the frog puffed up with rage?
b. Give the antonym of ‘Brainless’?
c. What happened when the nightingale puffed up her lungs?
Q3. And the crass cacophony
Blared out from the sumac tree
At whose foot the frog each night
Minstrelled on till morning light.
a) The singing of the frog is ____________.
b) The other creatures of Bingle Bog ______ the frog’s croaking sound.
c) ‘Cacophony’ in the first line means ________.
Q4. How did the frog satisfy his greed through the nightingale’s song?
Q5. The nightingale’s death was cauded by her foolishness.comment
Value based questions
Q6.The poem, The Frog and the Nightingale exposes the role of critics towards fresh talent.
Poem: The Mirror
Q1. She rewards me with tears and an agitation of hands.
I am important to her. She comes and goes.
Each morning it is her face that replaces the darkness.
a) Why is the mirror important to her?
b) Why does she cry?
c) What does “agitation of hands”mean?
Q2. . “I am not cruel, only truthful-
The eye of a little god, four-cornered.”
Who is ‘I’ in the above lines?
a. Why is ‘I’ only truthful?
b. What is meant by ‘four-cornered’?
Q3.Now I am a lake. A woman bends over me,
Searching my reaches for what she really is.
Then she turns to those liars, the candles or the moon.
I see her back, and reflect it faithfully.
She rewards me with tears an agitation of hands.
a) What is common between the mirror and a lake?
b) Why candles and the moon are called liars?
c) What is meant by ‘searching my reaches’?
Q4.What does the woman search for in the mirror everyday?
Q5. Why mirror is called a ‘four cornered God’?
Q6. How does Sylvia Plath effectively use personification in her poem ‘The Mirror’?
Writing Skillsa. Write an article on the topic –‘The evil practice of child labour prevalent in India’. [120150 words]
b. Write a short story [150-200 words] with an opening line‘One day I walked into my house and I was shocked to see……’
c. Write your experience of visiting a holiday destination during your vacation in the form of a
diary-entry. [120-150 words]
Subject: Hindi
न 1) बड़े भाई साहब पाठ म न हत संदेश को व तारपू व क अपने श द म प ट कर।
न 2) कथा नायक क
च कन काय म थी।
न 3) बड़े भाई साहब को अपने मन क इ छाएँ य दबानी पड़ती थी।
न 4) बड़े भाई साहब ने कताबी
ान और िज़ दगी म से कसे मह वपू ण माना है और य ?
न 5) बड़े भाई साहब पाठ म लेखक ने समू ची श ा के कन तौर तर क पर यं य कया है ? या आप
उनके वचार से सहमत ह।
न 6)बड़े भाई साहब क
वभावगत वशेषताएँ बताइए।
न 7) छोटे भाई के मन म बड़े भाई के
त
ा य उ प न हु ई ?
न 8) आ य प ट कर :
क) इि तहान पास कर लेना कोई बड़ी चीज़ नह ,ं असल चीज़ है बु
का वकास करना।
ख) बु नयाद ह पु ता न हो तो,मकान कैसे पायेदार बने?
न 9)कबीर क क ह ं 5 सा खय को स वर गायन हे तु कंठ थ कर। कबीर क
येक साखी म न हत
भावाथ अपने श द म प ट कर ।
न 10) कबीर को 'वाणी का ड टे टर' कहा जाता है प ट कर ।
न 11) कबीर क सा खयाँ समाज से कस कार अपना संबंध था पत करती ह ?
न 12) श द कसे कहते ह ?
न 13 ) पद कसे कहते ह ?
न 14 ) श द और पद म या अंतर है ? सोदाहरण प ट कर।
न 15) पद और पदबंध के अंतर को सोदाहरण प ट कर।
न 16) वकार और अ वकार श द कसे कहते ह ?
न 17) अनु छे द लेखन :क) सा
दा यकता : एक अ भशाप
ख) छा और अनु शासन
Subject: French
येक भेद का प रचय उदहारण स हत द िजए।
Q1) Complétez avec l’article partitif
a) Avez-vous mangé
fruits et
glace ? Moi, je ne mange que
b) Au déjeuner, nous jouons beaucoup
c) Je ne bois pas
bière, je bois
d) au restaurant, Papa prend
salade,
eau. Maman boit
gâteau au chocolat
viande et
fromage
jus de fruits
soupe
Q2) Corrigez les fautes
Marie et Alex invitent ses amis chez elle voir un film qui se passe à la télé. Il est contents. Quel
bonne journee ils passeront !
Q3) Mettez au négatif :
a) Il y a des crayons de couleur dans la boite
b) J’invite Padma et Chang pour la soirée
c) Chantale est une fille souriante
d) Je vois quelqu’un dans le jardin
e) Vas-y !
Q4) Complétez avec les prépositions :
(Sur, de, derrière, en, chez)
a) On admire les grands palmiers
l’ile
b) Les enfants vont passer les vacances
leurs grands parents
c) La chaleur est insupportable
été à Delhi
d) Regarde le bel oiseau perché
cet arbre !
e) Son chien est mignon. Il est
le petit chien
Q5) Mettez les verbes aux temps convenables :
a) Il (veut/veulent/a voulu) sortir maintenant
b) (Vous dépêchez/Vous vous dépêchez/Dépêchez-vous) monsieur ! Sinon, vous allez rater le
vol
c) Quand Florence va terminer le travail, je te (enverrai/envoies/envoie)
d) Elle (passe/a passé/vient de passer) ses vacances. Cela fait 2 jours
e) Quand nous (avons été/sommes/serons/étions) petits, nous (avons
joué/jouons/jouerons/jouions) ensemble
Q6) Remplissez avec des pronoms convenables :
i) C’est un joli manteau ! Ou (me/la/l’) as-tu acheté ?
ii) D’un magasin prés de chez moi. On (en/y/lui) trouve des choses de bonne qualité
iii) Je peux (y/en/eux) aller avec (moi/elle/toi)
iv) Bien, (ils/on/nous) (lui/y/en) va demain
Q7) Ecrivez une lettre d’environ 80 mots
i) À votre cousin(e) lui invitant en Inde pour passer les vacances
OU
À votre correspondant(e) français(e) décrivant une fête au lycée
ii) À votre ami en lui expliquant le système éducatif en France et le comparaison avec celui de
l’Inde
Subject:Mathematics
1. Prove the following identities
1  cos   sin 2 
 cot 
sin (1  cos )
2. Prove the following identities
(cosec A - sin ) (sec A + tan A) (tan A + cot A) = 1
3. Prove the following identities
1
tan  
 sec . cos ec 
tan 
4. Evaluate without using trigonometric tables.
cos 2 20 o  cos 2 70 o
(i)
sin 2 59 o  sin 2 31o
2
2
 sin 35 o   cos 55 o 
  
  2 cos 60 o
(ii )
o 
o 
 cos 55   sin 35 
cos 80 o
(iii )
 cos 59 o cos ec 31o
o
sin 23
2 cos 67 o tan 40 o

 cos 0 o
o
o
sin 23
cot 50
o
( v) sin( 50  )  cos(40 o  )
(iv )
cos 75 o sin 12 o cos18 o
( vi)


sin 15 o cos 78 o sin 72 o
cos 35 o sin 11o
( vii )

 cos 28 o cosec 62 o
o
o
sin 55
cos 79
o
o
o
o
o
(viii) tan 35 tan 40 tan 45 tan 50 tan 55
(ix) tan 15 tan 25 tan 30 tan 65 tan 75
(x) tan 5 tan 25 tan 30 tan 65 tan 85
5. Prove the following identities
(tan A + cot A)² - (tan A - cot A)² = 4.
6. Prove the following identities
(sin A + cos A) (1-sin A cos A) = sin³ A + cos³ A.
o
7. If sin   cos  2 cos (90 - ), find the value of cot 
8. Prove the following identities
(1- cos² A) cosec² A = 1
9. Prove the following identities
1  cos - sin 2 
 cot 
sin (1  cos )
10. Prove the following identities
tan 2 
cosec 2
1


0
2
2
2
2
tan   1 sec   cos ec  cos   sin 2 
11.
If 5 tan   12, find the value of
2cos   sin 
sin  - cos
12. Prove the following identities
tan
tan 

 2 cosec
sec - 1 sec  1
13. Prove the following identities
sec² = tan² + 1.
14. If tan
+ cot
15. Find sin 75
= 2, show that tan²
+ cot²
= 2.
by using the result sin (A + B) = sin A cos B + cos A sin B.
16 Without using trigonometric tables prove the following:
(i) tan 20 tan 25 tan 45 tan 65 tan 70 = 1
(ii) sin 48 sec 42 + cos 48 cosec 42 = 2
17. If cosec
- sin
= a³, sec
- cos
= b³, prove that a²b² (a² + b²) = 1.
18. Find the value of Sin 30⁰.
 The product of two successive multiplies of five is 300. Determine the multiplies.
20. Using factorisation, solve the following quadratic equations:
y 2 - 3y - 10  0
21. Determine the condition for the roots of the equation ax2 + bx + c = 0 to differ by 1.
22. A journey of 192 km between two cities takes two hours less by a fast train than by a slow
train. If the average speed of the slow train is 16 km/h less than that of the fast train, find the
average speed of each train.
23 i). . Solve the following quadratic equations by factorization :
8x 2 - 22x - 21  0.
23 ii). For each of the following, determine whether given quadratic equation has
root(s). If so, find the root(s).
4x 2  12x  9  0
24. Solve the following equations by reducing them to quadratic forms.
1 

 1  29
4  x 2  2  - 21  x -  
0
x 

 x 2
25. Two numbers differ by 2 and their product is 360. Find the numbers.
26. The sum of a number and its positive square root is 72. Find the number.
27. Solve the following equations by reducing them to quadratic forms.
(x - 1) (x - 2) (3x - 2) (3x  1)  21
28.. Solve the following quadratic equation by factorization method.
5x 2  4x  0
29. Solve the following quadratic equations by factorization :
x 2 - 3x - 10  0.
30. Without solving the equation, find the sum and product of the roots of the quadratic equation
3x2 + 7x + 3 = 0
31. . Solve the following equations by reducing them to quadratic forms.
51x  51- x  26
32. Solve the following equations by reducing them to quadratic forms.
6x 4 - 35x 3  62x 2 - 35x  6  0
33. In the following determine value(s) of p for which the given quadratic has real roots :
x 2  px  1  0
34. . The area of a right-triangle is 30 cm2. Determine its base and the altitude if the later its
length.
35. Solve the following equations by reducing them to quadratic forms.
2x 1  2x  4x  4
36. Examine of the following quadratic equations have roots :
x 2  5x  5  0
37 (i). A cyclist moving 9 km/hr in still wind goes 16 km in the direction of wind and comes
back against the wind in total of 4 hours. Determine the speed of the wind.
37( ii). Solve the following equations by reducing them to quadratic forms.
7x 6 - 10x3 - 368  0
38. If , are the root of the equation x2 + 3x + 2 = 0, form a quadratic equation whose roots
are - , .
39. Solve the following quadratic equation by factorization method.
6x 2  40  31x.
40
Find a cubic polynomial with the sum of zeros, the sum of the product of its zeros
taken two at a time and the product of its zeros as 2, - 7, - 14 respectively.
41.
If two zeros of the polynomial 2x 4 - 3x 3 - 3x 2  6x - 2 are - 2 and 2 , find the
remaining zeros.
42.
On dividing the polynomial - x 3  3x 2 - 3x  5 by g(x), the quotient and remainder
are x - 2 and 3 respectively. Find g(x).
43.
On dividing the polynomial - x 3  3x 2 - 3x  5 by g(x), the quotient and
2
. remainder are x  4x  10 and 31 respectively. Find g(x).
44.
3
2
. Find the third zero of x  2x - x - 2, if two zeros are - 1 and 1.
45.
3
2
. Find the remainder when 4x - 3x  2x - 1 is divided by x  2.
46
4
A fractionbecomes if 1 is added to both numeratorand donominator. If, however,
5
1
5 is subtractedfrom both numeratorand denominator, the fractionbecomes . What
2
is the fraction.
47. Solve the following system of linear equations graphically:
x + 2y = 1, x - 2y = -7.
Find the points where the lines meet x-axis.
48. Solve the following system of equations graphically.
3x + 2y = 8
2x - 3y = 1
49. Solve the following system of equations by eliminating y (by substitution).
3x + 4y - 7 = 0
2x + y + 2 = 0
50. Determine the vertices of the triangle formed by the lines representing the equations
x+y=3
2x + 5y = 12
51. Solve the following system of equations by any method.
2x - y = 11
5x + 4y = 1
52.. A person invested some amount at the rate of 12% simple interest and some other amount at
the rate of 10% simple interest. He received yearly Rs.130. But if he had interchanged the
amounts invested, he would have received Rs.4 more as interest. How much amount did he
invest at different rates.
53. . If we buy 2 tickets from station A to station B and 3 from station A to station C, we have to
pay Rs.795. Also, 3 tickets from station A to B and 5 tickets from A to C cost a total of Rs.1300.
What is the fare from station A to B and that from station A to C?
54. The sum of the numerator and denominator of a fraction is 4 more than twice the numerator.
If the numerator and denominator are increased by 3, they are in the ratio 2 : 3. Determine the
fraction.
55. The ratio of the incomes of two persons is 9 : 7 and the ratio of their expenditures is 4 : 3. If
each of them saves Rs.200 per month, find their monthly incomes.
56. Solve the following system of equations by the method of cross-multiplication.
x  2y  1  0
2x - 3y  12
57. A bag contains 150 coins of 50-paise and 25-paise denominations. The total worth of these
coins is Rs.55. Find the number of each type.
58. A fraction becomes 9/11 if 2 is added to both numerator and denominator. If 3 is added to
both the numerator and denominator, it becomes 5/6. Find the fraction.
59. A two digit number is 4 times the sum of its digits. If 18 is added to the number, the number;
the digits are reversed. Find the number.
60.. 2 men and 7 boys can do a piece of work in 4 days. The same work is done in 3 days by 4
men and 4 boys. How long respectively would it take one man and one boy to do it?
61. A part of monthly hostel charges in a college are fixed and the remaining depend on the
number of days one has taken food in the mess. When a student A takes food for 20 days, he has
to pay Rs.1000 as hostel charges, whereas a student B, who takes food for 26 days, pays Rs.1180
as hostel charges. Find the fixed charge and the cost of food per day.
62
Find a cubic polynomial with the sum of zeros, the sum of the product of its zeros
taken two at a time and the product of its zeros as 2, - 7, - 14 respectively.
63
If two zeros of the polynomial 2x 4 - 3x 3 - 3x 2  6x - 2 are - 2 and 2 , find the
remaining zeros.
64
On dividing the polynomial - x 3  3x 2 - 3x  5 by g(x), the quotient and remainder
are x - 2 and 3 respectively. Find g(x).
65.
Find the zeros of the following quadratic polynomials and verify the relationship
between the zeros and the coefficien ts.
(i) 2x 2  x - 1
(ii) y 2 - 16
(iii) 3x 2  11x - 4
(v) x 2 - 4x  4
(vi) 5x 2 - 24x - 5
(iv) 4x 2 - x - 3
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Subject: Physics
ELECTRICITY
CLASS : 10
1. Define the term “electric current.
2. Define the term ‘resistivity’ of a material.
3. How is a Voltmeter connected in the circuit to measure the potential difference between two
points .
4. You have two metallic wires of resistances 6 ohm and 3 ohm. How will you connect these
wires to get the effective resistance of 2 ohm?
5. State Ohm’s law. “The resistance of a conductor is 1Ω.” What is meant by this statement?
6. Why are coils of electric toaster made of an alloy rather than a pure metal?
7. Why is the series arrangement not used for domestic circuits?
8. A wire of resistivity ‘r’ is stretched to double its length. How does it affect the (a) resistance
(b) resistivity?
9. Derive the equation for resultant resistance of Resistors in series
10. How much work is done in moving a charge of 3 coulumb from a point at the volts 115 to a
point at 125 volts?[ 30j]
11. Study the following data and write which set of value should be rejected so that ohm’s law
holds good for the remaining set of values. Draw the graph and find out the mean resistance (3)
V(volts) 2.5 5.0 10.0 15.0 20.0 25.0
I(A)
0.1 0.2 0.3 0.6 0.8 1.0
12 A wire of resistance 20 ohm is bent in the form of a closed circle. What is the effective
resistance between the two points at the end of any diameter of the circle?
13 Two wires A and B are of equal lengths, different cross-sectional areas and made of the same
metal.
(i) Name the property which is same for both the wires.
(ii) Name the property which is different for both the wires.
(iii) If the resistance of wire A is four times the resistance of wire B, calculate
(a)the ratio of the cross-sectional areas of the wires.
(b)the ratio of the radii of the wires.
14.. A resistor of 8ohm is connected in parallel with another resistor X. The resultant resistance
of the combination is 4.8 ohm . What is the value of X?
15 How will you connect three resistors of 2 ohm , 3 ohm , 5 ohm respectively so as to obtain a
resultant resistance of 2.5 ohm ? Draw the diagram to show arrangement.
16. A wire of resistance 5 ohm is bent in form of closed circle. What is the effective resistance
between the two points at ends of any diameter of circle?
17 Why electrons flow in a wire when connected to a battery ?
Q2 Define
1. Electric current
2. Potential difference
18 Find new resistance of wire if it is stretched to twice its original length. Original resistance
was 20 ohm. Also how its resistivity will change .
19 Which combination we prefer for domestic circuit, parallel or series? Give reason
20 Find the total resistance in the diagram below.
Q21Why we use fuse in domestic circuit?
Q22Define
1. Resistivity
2. Electric circuit
Q23 Find new resistance of wire which is doubled on itself. If Original resistance of wire is 50
ohm .
Q24 Write factors affecting resistance of a wire .
Q25 Explain working of bulb and fuse ?
Q26 Calculate the potential difference between two terminals of a battery if 100 joules of work is
done to transfer 20 coulomb from one terminal to another.
Q27 Calculate the current in a circuit if 500 C of charge pass on through it in 10 minutes .
Q 28 Calculate the amount of charge that would flow in 2 hours through an element of an electric
bulb drawing a current of 0.25 A
Q29 Define electric circuit . Distinguish between open and closed electric circuits .
Q30 A piece of wire of resistance 20 ohm is drawn out so that its length is increased to twice its
original length . Calculate the resistance of the wire in the new situation .
Q31 Resistance of a metal wire of length 1m is 26 ohm at 20 degree Celsius . If the diameter of
the wire is 0.3 mm , what will be the resistivity of the metal at that temperature ?
Q32 A toaster of resistance 100 ohm is connected to 220 V line . Calculate the current drawn by
the toaster .
Q33 State the factors on which resistance of a conductor depends .
Q34 Define resistance of a material . Write its SI unit .
Q35 State ohms law . write mathematical form of ohm’s law .
Subject: Chemistry
Assignment 1 CHEMICAL REACTIONS AND EQUATIONS
1. What change will you observe if white silver c chloride is placed in sunlight? Write an
equation for the reaction and the type of reaction.
2. A,B and C are three elements which undergo chemical reactions according to the
following equations
i) A2O3 +
2B
B2O3 +
2A
ii) 3CSO4
iii) 3CO
+ 2B
+ 2A
B2(SO4)3 + 3C
A2O3 +3C
Answer the following questions with reasons
a) Which element is the most reactive?
b) Which element is the least reactive?
c) What is the type of reactions listed above?
d)
3. What is a redox reaction? Identify the substance oxidized and substance reduced in the
following reactions
i) MnO2
ii) Cu O
+ 4HCl
+ H2
MnCl2 + 2H2O + Cl2
Cu + H2O
4. Write a balanced chemical equation to represent the following reaction
Carbon Monoxide reacts with hydrogen gas at 340 atm. To form methyl alcohol.
5. Write the observation with reaction for the following
Granulated zinc reacts with dilute sulphuric acid.
6. Name two salts that are used for black and white photography. Give reactions when they are
exposed to sunlight.
7. What happens when an iron nail is put inside copper sulphate solution? Write reaction with
observation.
8. (a) What do you see when a magnesium ribbon is burnt? Is magnesium oxidized or reduced
in the reaction?
(b)Define corrosion.
9. Asolution of potassium chloride when mixed with silver nitrate solution, an insoluble white
substance is formed. Write the chemical reactions involved and also mention t5he type of
reaction.
10.A substance X, which is an oxide of a metal, is used extensively in the cement industry. This
element is present in bones also. On treatment with water, it forms a mixture which turns red
litmus blue. Identify X and also write the chemical reaction involved.
11. Why do we store silver chloride in dark colored bottles?
12. Oxidation and reduction processes occur simultaneously. Justify the statement.
Assignment 2 Chemical reactions and equations
Q1 A METAL NITRATE a ON HEATING GIVES A YELLOWISH BROWN METAL OXIDE
ALONG WITH A BROWN GAS b AND A COLORLESS GAS c.AQUEOUS SOLUTION OF
a ON REACTION WITH POTASSIUM IODIDE FORMSA YELLOW PRECIPITATE OF
COMPOUND d.Identify A,B,C AND D
Q2.Ferrous sulphate crystals decomposes with the evolution of a gas with a characteristic smell
of burning sulphur.Write the chemical reaction involved and the type of reaction.
Q3.A solution of potassium chloride when mixed with silver nitrate solution ,an insoluble white
substance is formed.Write the type of chemical reaction and the corresponding balanced
chemical equation.
Q4.In a solution of copper sulphate ,a strip of metal M was inserted. After sometime, the colour
of copper sulphate solution faded away. Which metal is more reactive and which one is less?
Give equation .Also mention the type of reaction.
Q5. Name one metal which can displace zinc from its salt solution and one metal which cannot
displace zinc from its salt solution.
Q6.What happens when limestone is heated strongly?What type of reaction is this?
Q7.What happens when an aqueous solution of barium chloride is mixed with an aqueous
solution of sodium sulphate?Write the equation also.
Q8.Give an example of a reaction which is both an exothermic and combination reaction.
Q9. Why does milkiness disappear when carbon dioxide is passed through lime water in excess?
Q10. Suggest any two observations in an activity which may suggest that a chemical reaction has
taken place. Give example in support of your answer.
Q11. What is wrong with the following equation-
N
+
3H
NH3
Q12. Solid calcium oxide was taken in a container and water was added to it slowly.
(i)
(ii)
State any two observations made in the experiment.
Write the name and chemical formula of the product.
Subject: Biology
CHAPTER 6 LIFE PROCESSES
1. Mention the raw materials required for photosynthesis.
2. Mention how organisms like bread moulds and mushrooms obtain their food.
3. Name the green dot like structures in some cells observed by a student when a leaf peal
was viewed under a microscope. What is this green color due to?
4. In the experiment “Light is essential for photosynthesis” why does the uncovered part of
the leaf turn blue black after putting iodine solution?
5. Give one reason why multicellular organisms require special organs for exchange of
gases between their body and their environment.
6. State the basic difference between the process of respiration and photosynthesis.
7. Name the intermediate and the end products of glucose breakdown in aerobic respiration.
8. a) Write the balanced chemical equation for the process of photosynthesis.
b) When do desert plants take-up carbon dioxide and perform photosynthesis?
9. Explain the process of nutrition in amoeba.
10. What is saliva? State its role in digestion of food.
11. What are the final products after digestion of carbohydrates and proteins?
12. Why do herbivores have longer, small intestine than carnivores?
13. In human alimentary canal, name the site of complete digestion of various components
of food. Explain the process of digestion.
14. Explain the process of breakdown of glucose in a cell
a) in the presence of oxygen
b) in the absence of oxygen
15. “The breathing cycle is rhythmic whereas exchange of gases is a continuous process”.
Justify this statement.
b) How opening and closing of stomata takes place?
16. In single celled organisms diffusion is sufficient to meet all their requirements of food,
exchange of gases or removal of wastes but it is not the case of multicellular organisms. Explain
the reason for this difference.
17. Draw the diagram of human respiratory system and label on it: diaphragm and larynx
18. State the role of the following in human digestive system (CBSE 2015)
a) Digestive enzymes b) hydrochloric acid c) villi
19. i) Draw a diagram to show open stomatal pore and label on it:
a) guard cells b) chloroplast
ii) State two functions of stomata.
iii) How do guard cells regulate the opening and closing of stomatal pore?
20.i) Leaves of a healthy potted plant were coated with Vaseline to block the stomata. Will this
plant remain healthy for long time? State three reasons for your answer.
ii) State any two differences between autotrophic and heterotrophic nutrition.
21.i) State the three events that occur during the process of photosynthesis. Explain the role of
stomata in the process.
ii) Describe an experiment to show that “sunlight is essential for photosynthesis”.
22. i) Draw a diagram depicting human alimentary canal and label on it: gall bladder, liver and
pancreas.
ii) State the role of liver and pancreas
iii) Name the organ which performs the following function in humans:
-
absorption of digested food
absorption of water
23. Explain the process of digestion in mouth, stomach and small intestine in human body.
24. List four conditions required for exchange of gas in an organism.
25. The rate of breathing in aquatic organisms is much faster than the terrestrial organisms. Give
reason
26. a) Name the enzyme present in saliva?
b) What is emulsification?
c) Name the substance which is oxidized during respiration.
d) Why are lungs divided into very small sac like structures?
Subject: Social Science
Geography- resource and development
Fill in the blanks:
1] ______ are a function of human activities.
2] On the basis of origin, resources can be classified as _____ and _____ resources.
3] On the basis of exhaustibility resources can be classified as _____ and _____ resources.
4]______ Resources are obtained from biosphere and have life such as human beings, flora and
fauna, fisheries, livestock etc.
5] All those things which are composed of non-living things are called_____ resources.
6] Rocks and metals are examples of _____ resource.
7] The resources which can be renewed or reproduced by physical, chemical or mechanical
processes are known as _____ resources.
8] Solar energy is an example of _____ resource.
9] Minerals and fossil fuels are examples of ______ resource.
10] ___________ are resources which are accessible to all the members of the community.
11] The first International Earth Summit was held at _________.
12] The ______ Convention endorsed the global Forest Principles and adopted Agenda 21 for
achieving Sustainable Development in the 21st century.
13]_____ is a natural resource of utmost importance supporting natural vegetation, wild life,
human life, economic activities, and transport and communication systems.
14] In India, About _____ per cent of the land area is plain, which provides facilities for
agriculture and industry.
15] Total geographical area of India is ____million sq km.
16] The entire northern plains are made of ______ soil.
17] According to their age alluvial soils can be classified as _____ and ______.
18]______ soils contain adequate proportion of potash, phosphoric acid and lime.
19] Black soil is also known as ____ soil.
20] Black soil is ideal for growing cotton and is also known as ______ soil.
21]______ soil is typical of the Deccan trap region spread over northwest Deccan plateau and is
made up of lava flows.
22]_____ soil is well-known for their capacity to hold moisture.
23] Black soils are generally poor in______ contents.
24] Red soils develop a reddish colour due to diffusion of_____ in crystalline and metamorphic
rocks.
25] ______ has been derived from the Latin word ‘later’ which means brick.
26] ______ soils in Tamil Nadu, Andhra Pradesh and Kerala are more suitable for crops like
cashew nut.
27] Arid soils range from red to brown in colour. They are generally sandy in texture and saline
in nature.
28] The denudation of the soil cover and subsequent washing down is described as ______
29] Ploughing along the contour lines can decelerate the flow of water down the slopes. This is
called_____ ploughing. .
30)_______ have contributed significantly to the stabilization of sand dunes and in stabilising the
desert in western India.
Questions & Answers
Q1). Discuss some major problems that have surfaced due to indiscriminate use of resources.
Q2) write a note on land resources in India.
Q3) Write a short note on alluvial soil.
Q4) Write a short note on Black soil.
Q5) write a short note on red and yellow soils.
Q6) write a short note on laterite soil.
Q7) write a short note on arid soil.
Q8) write a short note on forest soil.
Economics- DEVELOPMENT
Q1)Why average income is taken into consideration instead of total income while making
comparison between countries?
Q2)What is the main criteria used by the World Bank in classifying different countries? What
are the limitations of this criterion?
Q3)Why different people have different development goals?
Q4)What is per-capita income? What is its demerit to be taken as index comparison?
Q5) what are non-monetary goals? Give some examples?
Q6) What is BMI?
Q7)What is development?
Q8)what criterion is being used by the World Bank as per World Development Report 2006, in
classifying the countries?
Q9) Define
a) IMR
b) Literacy rate
c) Net attendance ratio
Q10)"The earth has enough resources to meet the needs of all but not enough to meet the greed
of one". How is the statement relevant to the discussion of the development?
Q11) Define sustainable development?
Political science – federalism
Q1) Define federalism
Q2) what are the two levels of govt. which a federation usually has?
Q3) what are the distinguishing features of federal and unitary govts?
OR
Compare and contrast unitary govts with federal govts ?
Q4) what are the key features of federalism?
Q5)) point out one feature in the practice of federalism in India that is similar to and one feature
that is unlike to Belgium?
Q6) why were the linguistic states created? What are their advantages?
Q7) mention any four difficulties of local government in India.
Q8) distinguish between coming together federation and holding together federation.
Q9) what is the importance or need for decentralization?
Q10) how many scheduled languages are recognized by the constitution ?
Q11) what is govt. at the block level called ?
Q12) Define
a) Federalism
b) Jurisdiction
c) Coalition govt
Q13) What are the dual objectives of the Federal system? What are their importances?
Q14)Explain the four lists of jurisdiction
Q15) Write a note about special jurisdiction of Jammu and Kashmir
Q16) what do you mean by sharing of power between the Union Government and the State
governments
Q17) why is India called a successful Federalism Country
Q18) how has federal power sharing became more effective in India after 1990(or Today)?
Q19) State any difference between the local government before and after 73rd Amendment Act
1992.
Q20) How has the Amendment Act of 1992 made the third-tier democracy (Local Government)
more powerful and effective?
Q21)Briefly explain the levels of rural local government in India.
OR
How has Panchayat Raj system been organized?
Q22)How are local bodies organized in urban areas?
Q24) What is gram sabha?
History
CHAPTER-2: RISE OF NATIONALISM IN INDO-CHINA
Q.1. Briefly discuss steps taken to remove Chinese and introduce French language in schools.
Q.2. What was the reason behind depiction of women as rebels?
Q.3. Read the following poem written by Ngyuyen Dinh Chieu (1822 – 88), a well-known blind
poet of Indo-China. I would rather face eternal darkness Than see the faces of traitors. I would
rather see no man Than encounter one man’s suffering. I would rather see nothing Than witness
the dismembering of the country in decline.
(i) What had happened to Indo-China by the middle of the 1880s?
(ii) Is the poet celebrating or mourning a loss in this poem? Give examples to prove your answer.
Is his blindness significant?
(iii) What is the poet urging the people to be aware of ? Which feelings is he trying to invoke in
the people of Indo-China?
Q.1. Explain the two different visions in opposing foreign domination in Vietnam. [2008]
Q.2. Explain any three steps taken by the French to achieve their aim to exploit the natural
resources of Vietnam. [2009]
Q.3. Explain any three steps taken by the French to solve the problem of plague in Vietnam.
[2009, 2011 (T-2)]
Q.4. Why did French policy-makers want to educate the people of Vietnam ? Explain. [2009,
2011(T-2)]
Q.5. ‘The US intervention in Vietnam proved costly to both US and Vietnam’. Explain. [2011(T2)]
Q.6. Explain any three impact of Great Depression of 1930s on Vietnam. [2011(T-2)]
Q.7. Who was Phan Chu Trinh ? How did he help in the modernisation of Vietnam? [2011(T-2)]
Q.8. “Early Vietnamese nationalists had a close relationship with Japan and China. Support your
answer with three examples.” [2011(T-2)]
Q.9. Who was Ho Chi Minh ? What was his contribution to Vietnam ? [2011(T-2)]
Q.10. Write three main characteristics of Trieu Au, the rebel woman of Vietnam. [2011(T-2)]
Q.11. What were the results of the colonization of Vietnam by the French? [2011(T-2)]
Q.1. Explain the reasons for the popularity of the ‘Go East Movement’. [2008] OR Explain any
three objectives of the Vietnamese students of ‘Go East Movement’. [2011(T-2)] OR Analyse
four reasons for popularity of ‘Go East Movement’.
Q.2. Explain any two contributions each of 'Scholars Revolt, 1868' and 'Hoa Hao Movement,
1939' against religious and social evils respectively. [2008] OR Mention any three features of the
Hoa Hao Movement. [2011(T-2)] OR Explain any three features of scholars Revolt in 1868 in
Vietman. [2011(T-2)]
Q.3. Explain any four major challenges faced by the Democratic Republic of Vietnam. [2008]
Q.4. Explain the two different visions in opposing foreign domination in Vietnam. [2008]
Q.5. Why did Bernard believe that the economy of the colonies needed to be developed? Explain
any three of his suggestions made in the case of Vietnam. [2008] OR Who was Paul Bernard?
Explain any two of his suggestions for the French colonists to develop vietnam. [2011(T-2)]
Q.6. Give any four features of the Ho Chi Minh Trail in the Vietnamese war against the US.
[2008] OR What was Ho Chi Minh trail? What does it tell us about the Vietnamese war against
the imperialist forces? [2011(T-2)]
Q.7. What were the differences of opinion between the two groups in Vietnam regarding the
introduction of French Education System ? OR Explain any three limitations of French
Education Policy. [2011(T-2)]
Q.8. Explain any four challenges faced by the ‘New Republic of Vietnam’ after 1945. [2011(T2)] OR Explain any three challenges faced by the Democratic Republic of Vietman. [2011(T-2)]
Q.9. Explain the steps taken by the French in the field of education in Vietnam ? What was their
motive behind this ? [2011(T-2)]
Q.1. Discuss in detail the resistance faced by the French from schools in occupied Vietnam. OR
How did the battle against French colonialism become a part of the battle for independence in
Vietnam? Explain.
Q.2. How nationalism in Vietnam emerged through the efforts of different sections of the society
to fight against the French? Explain.
Q.3. What was the role of women in the anti-imperialist struggle in Vietnam? Compare this with
the role of women in the national struggle in India. [Textual Question]
Q.5. (i) Whose portrait has been painted in this picture? (ii) Give a brief history of this person.
(iii) Why did she become a holy person? (iv) What does this picture tell you about role of women
in society?