2046: Which of the following terms is used to denote the heavy rocks of the lithosphere ?
(a) Substratum
(b) SIAL
(c) SIMA
(d) None of the above
2047: Rickets is caused due to:
(a) Deficiency of Vitamin A
(b) Deficiency of Vitamin D
(c) Deficiency of Vitamin C
(d) Low intake of proteins
2048: Which of the following statements about the monsoon in India is incorrect?
(a) South-West monsoon are on-shore winds
(b) North-East monsoon are off-shore winds
(c) The monsoons retreat gradually
(d) The onset of the monsoon is from West Bengal only
2049: A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is
(a) 1
(b) 3
(c) 4
(d)
2050: Who gave the Communal Award in India?
(a) C. R. Attlee
(b) Ramsay Macdonald
(c) Stafford Cripps
(d) None of the above