2291: Pneumoconiosis afflicts the workers who work mainly in:

(a) Tanneries
(b) Coal mining industry
(c) Glass industry
(d) Distilleries
2292: Match List I with List II and select the correct answer by using the codes given below the lists :

List I----------List II

(Hazardous industries using child labour leading to the filing of a public interest petition in the Supreme Court)---- (Located at)

I. Glass industry------ (A) Moradabad
II. Brassware industry------ (B) Marakpur
III. Slate industry ------(C) Ferozabad
IV. Hand-made carpet industry------ (D) Mirzapur

Codes:

(a) I-C, II-A, III-B, IV-D
(b) I-A, II-C, III-D, IV-B
(c) I-C, II-A, III-D, IV-B
(d) I-A, II-C, III-B, IV-D
2293: Assertion (A): To orbit around the Sun, the planet Mars takes lesser time than the time taken by the Earth.

Reason (R) : The diameter of the Planet Mars is less than that of the Earth.

(a) Both A and R are individually true and R is the correct explanation of A

(b) Both A and R are individually true but R is not the correct explanation of A

(c) A is true but R is false

(d) A is false but R is true
2294: Pearls are formed inside:

(a) Squids

(b) Snails

(c) Oysters

(d) Mollusks
2295: Chemical composition of pearl is:

(a) Calcium carbonate

(b) Calcium carbonate and magnesium carbonate

(c) Calcium sulphate

(d) Calcium chloride