56: Consider the following statements:

India continues to be dependent on imports to meet the requirement of oilseeds in the country because:

1. Farmers prefer to grow food grains with highly remunerative support prices.
2. Most of the cultivation of oilseed crops continues to be dependent on rainfall.
3. Oils from the seeds of tree origin and rice bran have remained unexploited.
4. It is far cheaper to import oilseeds than to cultivate the oilseed crops.

Which of the statements given above are correct?

(a) 1 and 2
(b) 1, 2 and 3
(c) 3 and 4
(d) 1, 2, 3 and 4
57: Himalayan rivers are perennial because:

(a) They flow from inexhaustible springs in the Himalayas

(b) They are fed in summer by melting snow of Himalayas

(c) There is continuous rain throughout the year in the catchment areas

(d) None of the above
58: The Function of heavy water in a nuclear reactor is to

(a) Stop the nuclear reaction

(b) Slow down the speed of neutrons

(c) Cool down the reactor

(d) Increase the speed of neutrons
59: Match List I (Artist) with List II (Art) and select the correct answer using the codes given below the lists:

List I List II

(Artist) (Art)

A. Hiren Bhattacharya 1. Bharatanatyam dance
B. Malini Rajurkar 2. Hindustani vocal music
C. Pratibha Prahlad 3. Kuchipudi dance
D. Vempati Chinna Satyam 4. Puppetry

Codes:

A B C D

(a) 4 2 1 3
(b) 3 1 2 4
(c) 4 1 2 3
(d) 3 2 1 4
60: A hollow sphere of radius R, a hollow cube of side R and a thin circular plate of radius R, made up of the same material, are all heated to 20°C above room temperature. When left to cool in the room, which of them will reach the room temperature first?

(a) Circular plate
(b) Cube
(c) Sphere
(d) All of them will reach the room temperature at the same time