Scholarship Test - 11th

Scholarship Test for 11th -Chemistry/Physics

PLEASE NOTE THIS SCHOLARSHIP TEST IS FOR 10+1 NEET/JEE STUDENTS WHO HAVE ALREADY PASSED CLASS 10TH.

Important Instructions

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1. Two army persons A and B each of weight of 500 N climb up a rope through a height of 10 m. A takes 20 s while B takes 40 s to achieve this task. What is ratio of the powers of person A and B?

A. 1:2

B. 14:1

C. 2:1

D. 1:4

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2. A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal. This enables the goalkeeper to

A. reduce the force exerted by the balls on the hands

B. exert larger force on the ball

C. increase the rate of change of momentum

D. decrease the rate of change of momentum

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3. A sample of soil is mixed with water and allowed to settle. The clear supernatant solution turns the pH paper yellowish-orange. Which of the following would change the colour of this pH paper to greenish- blue?

A. Common salt

B. Vinegar

C. An antacid

D. Lemon juice

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4. Successive members of a homologous series vary by how many atomic mass unit?

A. 12

B. 14

C. 1

D. 16

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5.

A. Same in all the cases

B. the maximum in (i)

C. the maximum in (iii)

D. the maximum in (ii)

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6. A change in the physical state can be brought about

A. when energy is either given to, or taken out from the system

B. only when energy is given to the system

C. only when energy is taken out from the system

D. without any energy change

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7. Element ‘A’ has electronic configuration 2, 7; ‘B’ has electronic configuration 2, 8, 5 and ‘C’ has electronic configuration 2, 8, 7. Which two elements will exhibit similar chemical properties?

A. A & B

B. B & C

C. None of these

D. A & C

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8. The most important safety method used for protecting home appliances from short circuiting or overloading is by

A. All are same

B. use of fuse

C. use of stabilizers

D. earthing

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9.

A. 250 amu

B. 248 gm

C. 248 amu

D. 250 gm

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10. An object weighs 10 N in air. When immersed fully in water, it weighs only 8 N. The weight of the liquid displaced by the object will be

A. 10N

B. 12N

C. 8N

D. 2N

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11.

A. (ii) & (iv)

B. (i) & (iv)

C. (i)

D. (ii) & (iii)

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12.

A. d1 > d2 < d3

B. d1 < d2 > d3

C. d1 < d2 < d3

D. d1 > d2 > d3

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13.

A. (ii)

B. (iii)

C. (iv)

D. (i)

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14.

A. This device is a convex lens of focal length 4 cm.

B. This device is a convex mirror of focal length 8 cm.

C. This device is a convex lens of focal length 8 cm.

D. This device is a concave lens of focal length 8 cm.

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15. An iron sphere of mass 10 kg has the same diameter as an aluminum sphere of mass is 3.5 kg. Both spheres are dropped simultaneously from a tower. When they are lo m above the ground, they have the same.

A. acceleration

B. momenta

C. potential energy

D. kinetic energy

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16.

A. (c) & (d)

B. (a) & (b)

C. only (a)

D. only (d)

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17. A boy is whirling a stone tied to a string in a horizontal circular path. If the string breaks, the stone

A. will move along a straight line towards the centreof the circular path

B. will move along a straight line perpendicular to the circular path away from the boy

C. will move along a straight line tangential to the circular path

D. will continue to move in the circular path

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18. The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?

A. 16

B. 14

C. 10

D. 13

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19.

A. A convex lens

B. A rectangular glass slab

C. A concave lens

D. A prism

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20. Which of the following is an incorrect statement?

A. Newton’s first law of motion is the law of inertia.

B. Newton’s third law talks about the direction of the force.

C. Mass is measure of inertia of a body.

D. Unbalanced force produces constant velocity.

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21. A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

A. -30 cm

B. -40 cm

C. -60 cm

D. -20 cm

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22. Eka-aluminium and Eka-silicon are known as

A. neutron and proton

B. gallium and germanium

C. iron and sulphur

D. aluminium and silicon

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23.

A. Rectangular glass slab

B. Convex lens

C. Concave lens

D. Prism

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24. An object of mass 2 kg is sliding with a constant velocity of 4 ms^-1 on a frictionless horizontal table. The force required to keep the object moving with the same velocity is

A. 0 N

B. 8 N

C. 2 N

D. 32 N

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25.

A. (iii) & (iv)

B. (ii) & (iii)

C. (i) & (iv)

D. (i) & (iii)

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26.

A. only (c)

B. only (d)

C. (b) & (c)

D. (a) & (b)

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27.

A. there is a momentary deflection in the galvanometer but it dies out shortly and there is no effect when the keys is removed.

B. there are momentary galvanometer deflections that die out shortly; the deflection are in opposite directions.

C. the deflection in the galvanometer remains zero throughout.

D. there are momentary galvanometer deflections that die out shortly; the deflections are in the same direction

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28.

A. I & II

B. I, II & IV

C. I, II & III

D. II & III

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29.

A. (ii) & (iii)

B. (i) & (iii)

C. (ii) & (iv)

D. (i) & (ii)

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30.

A. (i) & (iv)

B. (i) & (iii)

C. (ii) & (iii)

D. (i)

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31. The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is:

A. Sodium pellets

B. Copper granules

C. Magnesium ribbon

D. Aluminium dust

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32. At noon the sun appears white as

A. light is least scattered.

B. red colour is scattered the most.

C. blue colour is scattered the most.

D. all the colours of the white light are scattered away.

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33.

A. (ii)

B. (i) &(iv)

C. (i) & (ii)

D. (iii) & (iv)

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34.

A. (ii) & (iv)

B. (i) & (iii)

C. (iii) & (iv)

D. (ii) & (iii)

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35.

A. catalyst

B. oxidizing agent

C. dehydrating agent

D. reducing agent

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