3326: Consider the following statements regarding biomedication. It involves the use of bacteria and fungi to:
1. Clean up aquifers
2. Clean up toxic dumps
3. Clean up oil spills
4. Cure bacterial and fungal disease
(a) 1 and 2 are correct
(b) 1 and 3 are correct
(c) 1, 2 and 3 are correct
(d) 1, 2, 3 and 4 are correct
3327: The following figure represents sales (in thousands) over the period 1978 to 1983 :
The sales in 1981 exceeded that in 1979 by
(a) Rs. one hundred
(b) Rs. ten thousand
(c) Rs. one lakh
(d) Rs. ten lakh
3328: Monazite is an ore of
(a) zirconium
(b) thorium
(c) titanium
(d) iron
3329: If a commodity is provided free to the public by the Government, then
(a) the opportunity cost is zero.
(b) the opportunity cost is ignored.
(c) the opportunity cost is transferred from the consumers of the product to the tax-paying public.
(d) the opportunity cost is transferred from the consumers of the product to the Government.
3330: 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