3761: Mixed cropping is useful when:
(a) Crops with varying maturity periods are sown together
(b) Crops with same maturity period are sown together
(c) Different soils are used for the same crops
(d) Crops with different nutritional requirements are grown
3762: Acid rain is caused by the pollution of environment by
(a) carbon dioxide and nitrogen
(b) carbon monoxide and carbon dioxide
(c) ozone and carbon dioxide
(d) nitrous oxide and sulphur dioxide
3763: Which one of the following statements correctly describes the meaning of legal tender money ?
(a) The money which is tendered in courts of law to defray the fee of legal cases
(b) The money which a creditor is under compulsion to accept in settlement of his claims
(c) The bank money in the form of cheques, drafts, bills of exchange, etc.
(d) The metallic money in circulation in a country
3764: Assertion (A):
Gandhi stopped the Non-Co-operation Movement in 1922.
Reason (R):
Violence at Chauri-Chaura led him to stop the movement.
(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
3765: Consider the following events :
I. Reign of Krishnadevaraya of Vijayanagara.
II. Construction of Qutab Minar.
III. Arrival of Portuguese in India.
IV. Death of Firoz Tughlaq.
(a) II, IV, III, I
(b) II, IV, I, III
(c) IV, II, I, III
(d) IV, II, III, I