886: Consider the following statements about the megacities of India :
I. Population of each megacity is more than 5 million.
II. All the megacities are important sea ports.
III. Megacities are either national or State capitals.
Which of these statements are correct ?
(a) I, II and III
(b) I and II
(c) II and III
(d) I and III
887: We can know about early Vedic period from:
(a) Archaeological excavations
(b) Contemporary cultures
(c) Rigveda
(d) Jatak Katha
888: Barkhan is a
(a) Crescent shaped sand-dune
(b) Depositional bar, separated by water from the coast
(c) Dark coloured, fine grained rock
(d) Glacial erosional feature
889: The easiest way of finding out the nutritional status for large number of children in a short time is by:
(a) Studying their behaviour
(b) Studying their hair, face and eyes
(c) Measuring their height and weight
(d) All of the above
890: When a ship enters a sea from a river, its portion under water will:
(a) Increase
(b) Decrease
(c) Show no change
(d) Increase and decrease alternately