41: Which one of the following is a non-metallic mineral?
(a) Manganese
(b) Magnesium
(c) Gypsum
(d) Bauxite
42: In which one of the following areas in the given map was there a recent discovery of copper deposits by the Atomic Minerals Division of Department of Atomic Energy ?
(a) 1
(b) 2
(c) 3
(d) 4
43: Assertion (A) :
Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons.
Reason (R) :
Ammonia can be liquefied at ambient temperatures at low pressures.
(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
44: Ramanuj Acharya gave stress on:
(a) Bhakti
(b) Moksha
(c) Dharma
(d) None of these
45: Consider the following statements:
1. NTPC is the largest power utility in India.
2. ONGC accounts for half of the LPG production in India.
3. Indian Oil Corporation operates all the oil refineries in India.
4. The Indian Ordinance Factory is the largest departmentally run industrial undertaking in the country.
Which of these statements is/are correct?
(a) 1 only
(b) 2 and 3
(c) 2, 3 and 4
(d) 1 and 4