4241: The escape velocity from the earth's surface is about:

(a) 30 km/sec

(b) 6 km/sec

(c) 11.2 km/sec

(d) 300 km/sec
4242: Where is Bundala Bioshpere Reserve which has been recently added to the UNESCO's Man and Biosphere (MAB) network, located?

(a) Russia
(b) Bangladesh
(c) India
(d) Sri Lanka
4243: Consider the following statements:

1. Damodar Valley Corporation is the first multipurpose river valley project of independent India.

2. Damodar Valley Corporation includes thermal and gas power stations.

Which of the statements given above is/ are correct?

(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
4244: Match List I with List II and select the correct answer using the codes given below the lists :

List I List II

(Minerals) (Mining area)

I. Graphite (A) Bellary
II. Lead (B) Didwana
III. Salt (C) Rampa
IV. Silver (D) Zawar

Codes:

(a) I-C, II-D, III-A, IV-B
(b) I-A, II-D, III-B, IV-C
(c) I-C, II-A, III-D, IV-B
(d) I-B, II-C, III-A, IV-D
4245: The caves and rock-cut temples at Ellora are

(a) Buddhist

(b) Buddhist and Jain

(c) Hindu and Jain

(d) Hindu, Buddhist and Jain