Gate Way To CGL Mains : General Science Quiz

1.Which of the following is the Chemical name of the salt we use in our food?
A) Ammonium Sulphate
B) Calcium Chloride
C) Sodium Carbonate
D) Sodium Chloride

2.Which of the following can be used to absorb neutrons to control the chain reaction during nuclear fission?
A) Boron
B) Heavy water
C) Plutonium
D) Uranium

3.Which of the following is the best conductor of electricity?
A) Cold water
B) Saline water
C) Distilled water
D) Warm water

4.The focal length of a convex lens is?
A) the same for all colours
B) maximum for yellow light
C) shorter for blue light than for red
D) shorter for red light than for blue

5.If a ship moves from freshwater into seawater, it will?
A) rise a little higher
B) sink a little bit
C) remain unaffected
D) sink completely

6.The single acid which dissolves gold is?
A) Nitric acid
B) Aqua regia
C) Selenic acid
D) Hydrochloric acid

7.The immediate source of energy for all cellular activity, including the contraction of muscle fibers is?
A) ATP
B) RNA
C) FAD
D) NAD

8.In eye donation, which one of the following parts of donor's eye is utilised?
A) Iris
B) Lens
C) Cornea
D) Retina

9.Who among the following scholars suggested the earth's origin from gases and dust particles?
A) James Jeans
B) H. Alfven
C) F. Hoyle
D) O. Schmidt

10.Which one of the following is used in the preparation of antiseptic solution?
A) Iodine
B) Potassium Chloride
C) Potassium nitrate
D) Iodine Chloride

ANSWER KEY:
1 - (D)
2 - (A)
3 - (C)
4 - (C)
5 - (A)
6 - (B)
7 - (A)
8 - (C)
9 - (D)
10- (A)