76: In the context of India's Five Year Plans, a shift in the pattern of industrialization, with lower emphasis on heavy industries and more on infrastructure begins in
(a) Sixth Plan
(c) Eighth Plan
(c) Fourth Plan
(d) Tenth Plan
77: Which of the following can be found as pollutants in the drinking water in some parts of India?
1. Arsenic
2. Sorbitol
3. Fluoride
4. Formaldehyde
5. Uranium
Select the correct answer using the codes given below.
(a) 1 and 3 only
(b) 1, 3 and 5 only
(c) 2, 4 and 5 only
(d) 1, 2, 3, 4 and 5
78: Plankton refers to:
(a) A kind of fish
(b) A submerged platform in waters
(c) Drifting of organisms in a body of water
(d) A kind of animal living under water
79: 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
80: Which of the following pairs is not correctly matched?
(a) Reinhold Messner : Computer Technology
(b) Harlow Shapley : Astronomy
(c) Gregor Mendel : Hereditary Theory
(d) Godfrey Hounsfield : CT Scan