GENERAL SCIENCE QUIZ

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

(A) antiseptic

(B) coagulant

(C) disinfectant

(D) antibiotic

1-(C)

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

(A) Iris

(B) Lens

(C) Cornea

(D) Retina

2-(C)

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

(A) Carbon

(B) Silicon

(C) Hydrogen

(D) Aluminium

3-(B)

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

(A) Solder

(B) Alloysteel

(C) Nichrome

(D) German Silver

4-(C)

5. German Silver is an alloy of —

(A) Copper, Silver & Nickel

(B) Silver, Copper & Aluminium

(C) Zinc, Copper & Nickel

(D) Silver, Zinc & Nickel

5-(C)

6. Air is a/an —

(A) Compound

(B) Element

(C) Mixture

(D) Electrolyte

6-(C)

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

(A) Ordinary water

(B) Sea water

(C) Boiled water

(D) Distilled water

7-(B)

8. The charcoal used to decolourise raw sugar is —

(A) Animal charcoal

(B) Sugar charcoal

(C) Cocoanut charcoal

(D) Wood charcoal

8-(D)

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

(A) Zinc

(B) Copper

(C) Aluminium

(D) Iron

9-(C)

10. The gas used to extinguish fire is —

(A) Neon

(B) Nitrogen

(C) Carbon dioxide

(D) Carbon Monoxide

10- (C)

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