16: Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?
(a) Ecotone
(b) Ecological niche
(c) Habitat
(d) Home range
17: How much is one barrel of oil approximately equal to?
(a) 131 litres
(b) 159 litres
(c) 257 litres
(d) 321 litres
18: Assertion (A):
During the reign of Shahjahan, Dara Sikoh was sent on expedition to Balkha, Badakh-shan and Qandahar.
Reason (R):
The expedition sent by Shahjahan to the Middle-East was a marvellous success.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
19: Simon Commission of 1927 was boycotted because
(a) there was no Indian Member in the Commission
(b) it supported the Muslim League
(c) Congress felt that the people of India are entitled to Swaraj
(d) there were differences among the members
20: Consider the following statements :
1. The Parliament of India can place a particular law in the Ninth Schedule of the Constitution of India.
2. The validity of a law placed in the Ninth Schedule cannot be examined by any court and no judgement can be made on
it.
Which of the statements given above is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2