651: Assertion (A): Amoeba reproduces by fission.
Reason (R): All unicellular organisms reproduce by asexual methods.
(a) Both A and R are individually true and R is the correct explanation of A.
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false.
(d) A is false but R is true.
652: The chemical used as a 'fixer' in photography is
(a) sodium sulphate
(b) sodium thiosulphate
(c) ammonium persulphate
(d) borax
653: Which one of the following is not related to United Nations ?
(a) Multilateral Investment Guarantee Agency
(b) International Finance Corporation
(c) International Centre for Settlement of Investment Disputes
(d) Bank for International Settlements
654: Which one of the following is the continent with the highest mean elevation in the world ?
(a) Antarctica
(b) North America
(c) Asia
(d) South America
655: Hawala transactions relate to payments
(a) received in rupees against overseas currencies and vice versa without going through the official channels
(b) received for sale/transfer of shares without going through the established stock exchanges
(c) received as commission for services rendered to overseas investors/buyers/ sellers in assisting them to get over the red tape
and/or in getting preferential treatment
(d) made to political parties or to individuals for meeting election expenses