146: Pneumoconiosis afflicts the workers who work mainly in:
(a) Tanneries
(b) Coal mining industry
(c) Glass industry
(d) Distilleries
147: The major ingredient of leather is:
(a) Collagen
(b) Polymer
(c) Carbohydrate
(d) Nucleic acid
148: The Mausoleum of Sher Shah is at:
(a) Rohtas
(b) Agra
(c) Sasaram
(d) Lahore
149: Assertion (A)
In our houses, the current in AC electricity line changes direction 60 times per second.
Reason (R):
The frequency of alternating voltage supplied is 60 hertz.
(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
150: Who among the following drafted the resolution on Fundamental rights for the Karachi Session of Congress in 1931?
(a) Sardar Vallabhbhai Patel
(b) Dr. Rajinder Prasad
(c) Dr. B. R. Ambedkar
(d) Pandit Jawaharlal Nehru