936: The varieties of corn can be improved by which of the following methods?
(a) Dihybrid cross
(b) Back cross
(c) Double cross
(d) Natural selection
937: Who among the following served as the Chief Economist of the International Monetary Fund ?
(a) Saumitra Chaudhuri
(b) Ashok Lahiri
(c) Raghuram Rajan
(d) Sumantra Ghoshal
938: The purest form of water is obtained from:
(a) A deep tube well
(b) A running stream
(c) Hot water spring
(d) Heavy rains
939: Which one of the following is the correct sequence in respect of the Roman numerals - C, D, L and M?
(a) M > D > C > L
(b) C > D > L > M
(c) M > L > D > C
(d) L > C > D > M
940: A person X has four notes of Rupee 1, 2, 5 and 10 denomination. The number of different sums of money she can form from them is
(A) 15
(B) 16
(C) 12
(D) 8