4061: The sun derives its energy from:

(a) Nuclear fission reactions.

(b) Nuclear fusion reactions.

(c) Oxidation of helium.

(d) Fission of noble metals.
4062: Consider the figures given below:
4063: The Swaraj Party was founded by Motilal Nehru in:

(a) 1947

(b) 1952

(c) 1920

(d) 1929
4064: Zayed bin Sultan-al-Nahyan was a long serving President of which of the following ?

(A) Oman
(B) United Arab Emirates
(C) Kuwait
(D) Saudi Arabia
4065: If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original volume ?

(a) 327°C

(b) 600°C

(c) 54°C

(d) 300°C