3536: The maturity of a river course is recognised by the presence of
(a) V-shaped valley
(b) Meanders
(c) Gorges
(d) High denudational power
3537: Mohair is obtained from
(a) Angora goat
(b) Beetal goat
(c) Karakul sheep
(d) Lincoln sheep
3538: Devaluation of a currency means
(a) reduction in the value of a currency vis-a-vis major internationally traded currencies
(b) permitting the currency to seek its worth in the international market
(c) fixing the value of the currency in conjunction with the movement in the value of a basket of predetermined currencies
(d) fixing the value of a currency in multilateral consultation with the IMF, the World Bank and major trading partners
3539: Elizabeth Hawley is well-known for her writings relating to which one of the following?
(a) Historical monuments in India
(b) Regional dances in India
(c) Himalayan expeditions
(d) Wildlife in India
3540: Decomposition of organic matter is due to:
(a) Virus
(b) Fungi
(c) Bacteria
(d) None of these