| 1. | For any three sets \( \mathrm{A}, \mathrm{B}, \mathrm{C} \) prove t... | 36 | | Counter-Strike: Source
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| 2. | What makes elections in India democratic?
Explain any four conditions that make election democrat... | 25 | | Counter-Strike: Source
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| 3. | Explain any three steps taken by the Central and State Governments to attract foreign companies t... | 21 | | Counter-Strike: Source
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| 4. | When the mass and the speed of a body are doubled, the kinetic energy of the body
a. becomes doub... | 20 | | Counter-Strike: Source
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| 5. | The port of Surat and Hoogly was declined by the end of the 18th century.' Explain.
What led to t... | 19 | | Counter-Strike: Source
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| 6. | Density ofater is maximum at 4^∘C. Explain. | 18 | | Counter-Strike: Source
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| 7. | ABC is a right triangle such that AB=AC and bisector of angle C intersects the side AB at D. Prov... | 13 | | Counter-Strike: Source
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| 8. | What were the effects of the British Government's decision to abolish the Corn Laws?
or Explain t... | 13 | | Counter-Strike: Source
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| 9. | Can there be displacement of an object in the absence of any force acting on it? Think. Discuss t... | 12 | Discussion | Counter-Strike: Source
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| 10. | If P, Q and R are the mid-points of the sides BC, CA and AB of a triangle and AD is the perpendic... | 10 | | Counter-Strike: Source
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| 11. | AB and AC are two chords of a circle of radius r such that AB=2 AC. Ifand q are the distances of ... | 9 | | Counter-Strike: Source
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| 12. | In a ripple tank, 10 full ripples are produced in 1 s. If the distance between the crest and the... | 9 | | Counter-Strike: Source
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| 13. | A photocell connected in an electrical circuit is placed at a distance ' \( d \) ' from a source... | 9 | | Counter-Strike: Source
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| 14. | Examine any three inherent defects in the Weimar Constitution.
or Explain the inherent defects of... | 9 | | Counter-Strike: Source
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| 15. | A ladder has rungs 25 cm apart.
(see Fig.
uniformly in length from 45 cm at the
bottom to 25 c... | 9 | | Counter-Strike: Source
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| 16. | 4.4 g of a gas at STP occupies a volume of 2.24 L, the gas can be
(a) O_2
(b) CO
(c) NO_2
(d) C... | 7 | | Counter-Strike: Source
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| 17. | Turbine pits at the Niagara Falls are 50 m deep. The average power produced is 5,000 hp and the e... | 7 | | Counter-Strike: Source
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| 18. | Treatment of ammonia with excess of ethyl iodide will yield
(a) diethylamine
(b) ethylamine
(c) t... | 6 | | Counter-Strike: Source
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| 19. | A body is moving according to the equation
\( \mathrm{x}=\mathrm{at}+\mathrm{bt}^{2}-\mathrm{ct}... | 6 | | Counter-Strike: Source
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| 20. | The sugar industry is now shifting from the North to the South. Mention three reasons for this.
E... | 6 | | Counter-Strike: Source
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| 21. | A piece of iron of density 7.8 × 10^3 kg m^-3 and volume 10^-4 m^3 is given. Calculate:
a. Weight... | 5 | | Counter-Strike: Source
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| 22. | In the given figure, A B C D is a quadrilateral in which A D=B C and ∠ A D C=∠ B C D. Show that t... | 5 | Show | Counter-Strike: Source
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| 23. | Rights are reasonable claims of persons recognised by society and sanctioned by law. Why should t... | 5 | | Counter-Strike: Source
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| 24. | Calculate \( T_{A}, T_{B}, T_{C} \) for the following diagram : (B is the mid point of rope) \( ... | 5 | | Counter-Strike: Source
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| 25. | In the given figure,A and P B are the tangents to a circle with centre O. Show that the points A,... | 4 | Show | Counter-Strike: Source
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| 26. | How did the abundance of labour in the market affect the lives of the workers in Britain during t... | 4 | | Counter-Strike: Source
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| 27. | Which of the following is least reactive in a nucleophilic substitution reaction.
(a) (CH_3)_3C-C... | 4 | | Counter-Strike: Source
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| 28. | ABCD is a parallelogram. A circle through A, B is so drawn that it intersects AD atand BC at Q. P... | 4 | Vlog | Counter-Strike: Source
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| 29. | The term "linkage" was coined by (a) G. Mendel (b) W. Sutton (c) T. H. Morgan (d) T. Boveri | 4 | | Counter-Strike: Source
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| 30. | The temperatures of two bodies measured by a thermometer are \( t_{1}=20{ }^{\circ} \mathrm{C} \... | 4 | | Counter-Strike: Source
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| 31. | State any two advantages of the multi-party system. In what way is an alliance different from a c... | 4 | | Counter-Strike: Source
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| 32. | Electromeric effect is a
(a) permanent effect
(b) temporary effect
(c) resonance effect
(d) induc... | 3 | | Counter-Strike: Source
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| 33. | Two circles touch each other externally. The distance between the centres of the circles is 14 c... | 3 | | Counter-Strike: Source
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| 34. | A capacitor of capacitance \( \mathrm{C} \) is charged to a potential difference \( \mathrm{V} \... | 3 | | Counter-Strike: Source
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| 35. | In the given figure, A D and A E are the tangents to a circle with centre O and B C touches the c... | 3 | | Counter-Strike: Source
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| 36. | A student performs an experiment for determination of \( g=\frac{4 \pi^{2} l}{T^{2}} \) and he c... | 3 | | Counter-Strike: Source
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| 37. | An electric circuit consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four c... | 3 | | Counter-Strike: Source
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| 38. | "The effects of Non-Cooperation on the economic front were more dramatic." Analyse the statement.... | 3 | | Counter-Strike: Source
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| 39. | An organic compound A on heating with concentrated H_2SO_4 forms a compound B which on addition o... | 3 | | Counter-Strike: Source
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| 40. | "Many of our spinners export cotton yarn while apparel manufacturers have to import fabric. " Exp... | 3 | | Counter-Strike: Source
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| 41. | Which of the following compounds will show metamerism?
(a) CH_3-CO-C_2H_5
(b) C_2H_5-S-C_2H_5
(c)... | 3 | Show | Counter-Strike: Source
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| 42. | The difference between two numbers is 14 and the difference between their squares is 448 . Find t... | 2 | | Counter-Strike: Source
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| 43. | A woman pushes a trunk on a railway platform that has a rough surface. She applies a variable for... | 2 | | Counter-Strike: Source
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| 44. | Two objects A and B are thrown upwards simultaneously with the same speed. The mass of A is great... | 2 | | Counter-Strike: Source
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| 45. | An organic compound A (molecular formula C_2H_4O_2 ) reacts with Na metal to form a compound B an... | 2 | | Counter-Strike: Source
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| 46. | The radius of a sphere is 2 r, then its volume will be
(A) 4/3π r^3
(B) 4 π r^3
(C) 8 π r^3/3
(D)... | 2 | | Counter-Strike: Source
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| 47. | A ball is thrown vertically upward in a train moving with uniform velocity. The ball will
a. fall... | 2 | | Counter-Strike: Source
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| 48. | If in the expansion of \( (2 x+5)^{10} \), the greatest term is equal to the middle term, then t... | 2 | | Counter-Strike: Source
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| 49. | "The textile industry is the only industry in the country which is self-reliant and complete in t... | 2 | | Counter-Strike: Source
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| 50. | The most polar bond is
(a) C-F
(b) C-O
(c) C-Br
(d) C-S | 2 | | Counter-Strike: Source
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| 51. | An electric current has both D.C. and A.C. Components. D.C. Component of \( 8 \mathrm{~A} \) and... | 2 | | Counter-Strike: Source
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| 52. | Read the following sources and answer the questions that follow
The Movement in the Towns
The mov... | 2 | | Counter-Strike: Source
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| 53. | A body weighs \( 200 N \) on the surface of the earth. How much will it weigh half way down to t... | 2 | | Counter-Strike: Source
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| 54. | Name the two countries of Africa where the Maasai cattle herder live. Mention two ways in which c... | 2 | | Counter-Strike: Source
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| 55. | In the given figure, ∠ C A B=90^∘ and A D ⊥ B C. Show that B D A ∼ B A C. If A C=75 cm, A B=1 m... | 2 | Show | Counter-Strike: Source
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| 56. | Explain any three elements which are responsible for population growth.
or Describe the factors t... | 2 | | Counter-Strike: Source
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| 57. | A rectangular sump has an inner length and breadth of 24 m and 20 m respectively. Water flows t... | 2 | | Counter-Strike: Source
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| 58. | Two tangent segments B C and B D are drawn to a circle with centre O such that ∠ C B D=120^∘. Pro... | 2 | | Counter-Strike: Source
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| 59. | Correct the following statement and rewrite:
Conservative regime setup in 1815ere democratic. | 2 | | Counter-Strike: Source
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| 60. | If ABC is an equilateral triangle inscribed in a circle andbe any point on the minor arc BC which... | 2 | | Counter-Strike: Source
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| 61. | When a liquid that is immiscible with water was steam distilled at \( 95.2^{\circ} \mathrm{C} \)... | 2 | | Counter-Strike: Source
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| 62. | An engine is approaching a hill at constant speed. When it is at distance of 0.9 km, it blows a ... | 2 | | Counter-Strike: Source
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| 63. | If one root of the quadratic equation \( a x^{2}+b x+c=0 \) is equal to the \( n \)th power of t... | 2 | | Counter-Strike: Source
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| 64. | There is a visit in a school by Directorate of Education. Girls are asked to prepare a rangoli in... | 2 | | Counter-Strike: Source
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| 65. | Study the following flowchart of biogas production and select the correct option for A, B and C.
... | 1 | | Counter-Strike: Source
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| 66. | Fill in the Blanks
a. At any point above the surface of the ground, the work done in raising the ... | 1 | | Counter-Strike: Source
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| 67. | A planet of volume V and mass M has gravitational acceleration g on its surface. If it expands to... | 1 | | Counter-Strike: Source
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| 68. | Compound \( A\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{2}\right) \) on reduction yields t... | 1 | | Counter-Strike: Source
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| 69. | Why does Anne think she can confide more in her diary than in people?
Or
What does Anne wish to c... | 1 | | Counter-Strike: Source
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| 70. | For question numbers two statements are given- one labelled Assertion (A) and the other labelled... | 1 | | Counter-Strike: Source
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| 71. | An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both ... | 1 | | Counter-Strike: Source
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| 72. | The clear sky appears to be blue because
a. Blue light gets reflected in the atmosphere.
b. Ultr... | 1 | | Counter-Strike: Source
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| 73. | Action of catalyst depends on (A) mass (B) solubility (C) particle size (D) none \( \mathrm{P} \) | 1 | | Counter-Strike: Source
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| 74. | Whenas the Tribal Criminal Act Passed?
(A) In 1875
(B) In 1871
(C) In 1817
(D) In 1971 | 1 | | Counter-Strike: Source
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| 75. | किसी समय \( t \) पर बिन्दु की स्थिति \( x=a+b t-c t^{2}, y=a t+b t^{2} \) द्वारा निरूपित है। समय... | 1 | | Counter-Strike: Source
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| 76. | The line passing through the extremity A of the major axis and extremity B of the minor axis of t... | 1 | | Counter-Strike: Source
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| 77. | Lucas reagent is
(a) Conc. HCl and anhydrous ZnCl_2
(b) Conc. HNO_3 and hydrous ZnCl_2
(c) Conc. ... | 1 | | Counter-Strike: Source
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| 78. | Passage Based Questions
Answer the questions on the basis of your understanding of the following ... | 1 | | Counter-Strike: Source
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| 79. | Which reaction involves neither oxidation nor reduction?
(a) CrO_4^2-⟶Cr_2O_7^2-
(b) Cr⟶CrCl_3
(c... | 1 | | Counter-Strike: Source
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| 80. | The IUPAC name of the compound is
(a) 3,3-dimethyl - 1- cyclohexanol
(b) 1,1-dimethyl-3-hydroxy c... | 1 | | Counter-Strike: Source
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| 81. | Boyle's law may be expressed as:
(A) \( (d P / d V)_{T}=K / V \)
(B) \( (d P / d V)_{T}=-K / V^{... | 1 | | Counter-Strike: Source
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| 82. | If non-parallel sides of a trapezium are equal, prove that it is cyclic. | 1 | | Counter-Strike: Source
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| 83. | Each side of an equilateral triangle measures 8 cm. Find (i) the area of the triangle, correct t... | 1 | | Counter-Strike: Source
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| 84. | ... Read the following passage and answer the questions from 13(i) to \( 13(\mathrm{v}) \).
A c... | 1 | | Counter-Strike: Source
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| 85. | Given alongside is the velocity-time graph for a moving body :
Find: (i) Velocity of the body at ... | 1 | | Counter-Strike: Source
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| 86. | The Earth attracts a body of mass 1 kg kept on its surface with a force of
a. 1 / 9.8 N
b. 6.67... | 1 | | Counter-Strike: Source
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| 87. | The least counts of a vernier calipers and a screw gauge are in the ratio of 5: 1. The main scale... | 1 | | Counter-Strike: Source
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| 88. | Match the following
List I 2|c List II
A. Kittiko-Hachchiko Movement 1. West ... | 1 | | Counter-Strike: Source
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| 89. | Two line segments AB and AC include an angle of 60^∘ where AB=5 cm and AC=7 cm. Locate pointsan... | 1 | | Counter-Strike: Source
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| 90. | बैताइए कि सिनलिखित कण्न प्यत्य (T) हैं अण्रन्या उस्पन्य (C) हैं- टेफ्लॉन को PTFE भी कहा जाता है। | 1 | | Counter-Strike: Source
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| 91. | What happens to the momentum when:
a. velocity is doubled keeping the mass unchanged.
b. velocity... | 1 | | Counter-Strike: Source
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| 92. | The values of g at six distances A, B, C, D, E and F from the surface of the Earth are found to b... | 1 | | Counter-Strike: Source
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| 93. | Tert. butyl benzene can be prepared by
(A) Benzene \( +\mathrm{CH}_{2}=\mathrm{C}\left(\mathrm{C... | 1 | | Counter-Strike: Source
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| 94. | In \( S=a+b t+c t^{2} \). \( S \) is measured in metre and \( t \) in second. The unit of \( c \... | 1 | | Counter-Strike: Source
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| 95. | Which of the following is a primary halide?
(a) Isopropyl iodide
(b) Secondary butyl iodide
(c) T... | 1 | | Counter-Strike: Source
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| 96. | A car is accelerated on a levelled road and attains a velocity 3 times of its initial velocity. T... | 1 | | Counter-Strike: Source
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| 97. | If force and displacement of an object (in the direction of force) are doubled, work should be
a.... | 1 | | Counter-Strike: Source
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| 98. | A solid having a mass of 400 g has a volume of 250 cm^3. Calculate:
a. The density of the solid... | 1 | | Counter-Strike: Source
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| 99. | In the following figure, two circles X and Y with centres A and B respectively intersect at C and... | 1 | | Counter-Strike: Source
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| 100. | Which of the following powers was not interested in Balkan peninsula ?
(a) England
(b) Germany
(c... | 1 | | Counter-Strike: Source
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