4416: Which one of the following is the appropriate reason for considering the Gondwana rocks as most important of rock systems of India?
(a) More than 90% of limestone reserves of India are found in them
(b) More than 90% of India's coal reserves are found in them
(c) More than 90% of fertile black cotton soils are spread over them
(d) None of the reasons given above is appropriate in this context
4417: At which stage in its life-cycle does the silkworm yield the fibre of commerce?
(a) Egg
(b) Larva
(c) Pupa
(d) Imago
4418: The Montague-Chelmsford Proposals were related to
(a) social reforms
(b) educational reforms
(c) reforms in police administration
(d) constitutional reforms
4419: Which number will continue the following series?
3, 8, 15, 24, 35, 48, 63, 80,........
(a) 92
(b) 99
(c) 91
(d) 87
4420: In the context of Indian wild life, the flying fox is a
(a) Stork
(b) Bat
(c) Vulture
(d) Kite