2046: Despite having large reserves of coal, why does India import millions of tonnes of coal?

1. It is the policy of India to save its own coal reserves for future, and import it from other countries for the present use.

2. Most of the power plants in India are coal-based and they are not able to get sufficient supplies of coal from within the country.

3. Steel companies need large quantity of coking coal which has to be imported.

Which of the statements given above is/are correct?

(a) 1 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
2047: Which among the following pairs has been correctly matched?

(a) Nehru Trophy : Table Tennis
(b) Holkar Trophy : Bridge
(c) B. C. Roy Trophy : Lawn Tennis
(d) Ruia Trophy : Kabaddi
2048: Itaipu Dam built on the River Parana is one of the largest dams in the world. Which of the following two countries have this as a joint project?

(a) Colombia and Paraguay
(b) Paraguay and Ecuador
(c) Brazil and Paraguay
(d) Brazil and Peru
2049: The most effective contribution made by Dadabhai Naoroji to the cause of Indian National Movement was that he

(a) Brought the problems of Indians to the notice of the British.

(b) Exposed the economic exploitation of India by the British.

(c) Interpreted the ancient Indian texts and restored the self-confidence of Indians.

(d) Stressed the need for eradication of all the social evils before anything else.
2050: Sodium vapour lamps are preferred to incandescent lamps because of:

(a) Higher efficiency

(b) Higher tolerance in voltage fluctuations

(c) Easy installation

(d) Higher intensity of illumination