2501: The characteristic feature of virus is that
(a) It is made of fats.
(b) It multiplies only on dead animals.
(c) It multiplies only on hosts.
(d) It lacks chlorophyll.
2502: The highest grade of coal, whose surface is shining and has the highest calorific value, is:
(a) Lignite
(b) Peat
(c) Bituminous
(d) Anthracite
2503: As per 1991 Census, which one of the following groups of Union Territories had the highest literacy rate ?
(a) Chandigarh and Dadra & Nagar Haveli
(b) Delhi and Andaman & Nicobar Islands
(c) Andaman & Nicobar Islands and Pondicherry
(d) Pondicherry and Delhi
2504: Write the correct chronological order of the following annexations by the Britishers
I. Oudh
II. Punjab
III. Upper Burma
(a) III, II, I
(b) I, II, III
(c) I, III, II
(d) II, I, III
2505: In many developing countries, three major causes of death and disease are
(a) lack of safe drinking water, increasing use of pesticides and thinning of the ozone layer
(b) contaminated food, global warming and industrial chloro-fluoro-carbons
(c) polluted air, greenhouse effect and soil erosion
(d) dirty water, contaminated food and polluted air