RRB Junior Engineer (JE) Sample Paper: General Science-37

1. Nuclear energy is a mineralbased energy source. It is derived from

(a) uranium
(b) thorium
(c) plutonium
(d) All of the above

2. Zinc sulphide is commonly used as

(a) fungicide
(b) herbidide
(c) rodenticide
(d) deodorant

3. The purest form of water is

(a) tap water
(b) rainwater
(c) groundwater
(d) distilled water

4. The main constituent of biogas is

(a) oxygen
(b) methane
(c) acetic acid
(d) methyl alcohol

5. Aspirin is chemically known as

(a) methyl salicylate
(b) hydroxysalicylate
(c) acetylsalicyclic acid
(d) alkylsalicylic acid

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Study Kit for RRB Junior Engineer EXAM (Phase-1) 

1(d), 2(d), 3(d), 4(a), 5(c)