SSC CGL 2015 : GENERAL SCIENCE QUIZ

1.Bleaching powder is used in drinking water as a/an?

(A) antiseptic

(B) coagulant

(C) disinfectant

(D) antibiotic

2.In eye donation, which one of the following parts of donor's eye is utilised?

(A) Iris

(B) Lens

(C) Cornea

(D) Retina

3. The element present in the largest amount in rocks and minerals is —

(A) Carbon

(B) Silicon

(C) Hydrogen

(D) Aluminium

4. An alloy used in making heating elements for electric heating devices is —

(A) Solder

(B) Alloysteel

(C) Nichrome

(D) German Silver

5. German Silver is an alloy of —

(A) Copper, Silver & Nickel

(B) Silver, Copper & Aluminium

(C) Zinc, Copper & Nickel

(D) Silver, Zinc & Nickel

6. Air is a/an —

(A) Compound

(B) Element

(C) Mixture

(D) Electrolyte

7. Which of the following is the best conductor of Electricity ?

(A) Ordinary water

(B) Sea water

(C) Boiled water

(D) Distilled water

8. The charcoal used to decolourise raw sugar is —

(A) Animal charcoal

(B) Sugar charcoal

(C) Cocoanut charcoal

(D) Wood charcoal

9. The most abundant metal in the earth’s crust is —

(A) Zinc

(B) Copper

(C) Aluminium

(D) Iron

10. The gas used to extinguish fire is —

(A) Neon

(B) Nitrogen

(C) Carbon dioxide

(D) Carbon Monoxide

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