2201: B.R. Ambedkar was elected to the Constituent Assembly from

(a) West Bengal

(b) the Bombay Presidency

(c) the then Madhya Bharat

(d) Punjab
2202: Consider the following statements regarding environment issues of India:

I. Gulf of Mannar is one of the biosphere reserves.
II. The Ganga Action Plan, phase II has been merged with the National River Conservation Plan.
III. The National Museum of Natural History at New Delhi imparts non-formal education in environment and conservation.
IV. Environmental Information System (ENVIS) acts as a decentralised information network for environmental information.

Which of these statements are correct ?

(a) I, II and IV
(b) I, II, III and IV
(c) II and III
(d) I, III and IV
2203: Consider the following statements :

In a nuclear reactor, self-sustained chain reaction is possible, because

I. more neutrons are released in each of the fission reactions.
II. the neutrons immediately take part in the fission process.
III. the fast neutrons are slowed down by Graphite.
IV. every neutron realeased in the fission reaction initiates further fission.

Which of these statements are correct ?

(a) I, II and III
(b) I and III
(c) II and IV
(d) II, III and IV
2204: Who among the following is not a member of the Investment Commission formed in December 2004?

(A) Ashok Ganguly
(B) Kumarmangalam Birla
(C) Deepak Parekh
(D) Ratan Tata
2205: Physico-chemical characteristics of water in water sources undergo changes due to
(a) aquatic macrophytes
(b) aquatic fungi
(c) effluents
(d) evapotranspiration