1226: What is a continental shelf?
(a) It is a part of the ocean which is really an extension of the land mass, but submerged.
(b) It is that part where the ocean commences.
(c) It is a land mass which is surrounded by water on all sides.
(d) It is a part of the continent that is submerged in relatively shallow sea.
1227: Why does the Government of India promote the use of 'Neem-coated Urea' in agriculture?
(a) Release of Neem oil in the soil increases nitrogen fixation by the soil microorganisms
(b) Neem coating slows down the rate of dissolution of urea in the soil
(c) Nitrous oxide, which is a greenhouse gas, is not at all released into atmosphere by crop fields
(d) It is a combination of a weedicide and a fertilizer for particular crops
1228: The technique used to transmit audio signals in television broadcasts is
(a) Amplitude Modulation
(b) Frequency Modulation
(c) Pulse Code Modulation
(d) Time Division Multiplexing
1229: Stripes on the back of the animals are the indication of:
(a) Mating habit
(b) Food habit
(c) Cave dwelling
(d) Matching of skin colour with surroundings
1230: The shortest route from New Delhi to Vancouver is:
(a) New Delhi--Bangkok--Tokyo--Vancouver
(b) New Delhi--London--New York--Vancouver
(c) New Delhi--Paris--New York--Vancouver
(d) New Delhi--Moscow--New York--Vancouver