3316: The chemical used as a 'fixer' in photography is
(a) sodium sulphate
(b) sodium thiosulphate
(c) ammonium persulphate
(d) borax
3317: The evidence for the rotation of stars comes mainly from the
(a) Doppler effect
(b) Photoelectric effect
(c) Stark effect
(d) Zeeman effect
3318: Which one of the following countries is not a member of ASEAN?
(A) Vietnam
(B) Brunei Darussalam
(C) Bangladeh
(D) Myanmar
3319: Which one of the following is a feature common to both the Indian Federation and the American Federation?
(a) A single citizenship
(b) Three lists in the Constitution
(c) Dual judiciary
(d) A federal Supreme Court to interpret the constitution
3320: Which one of the following statements is correct with reference to our solar system ?
(a) The Earth is the densest of all the planets in our solar system
(b) The predominant element in the composition of Earth is silicon
(c) The Sun contains 75 per cent of the mass of the solar system
(d) The diameter of the Sun is 190 times that of the Earth