261: Consider the following statements :
At the present level of technology available in India, solar energy can be conveniently used to
I. supply hot water to residential buildings.
II. supply water for minor irrigation projects.
III. provide street lighting.
IV. electrify a cluster of villages and small towns.
Of these statements
(a) I, II, III and IV are correct.
(b) II and IV are correct
(c) I and III are correct
(d) I, II and III are correct
262: The reason for Chechnya to be in the news recently is:
(a) Discovery of huge reserves of oil
(b) Separatist rebellious activities by the local people
(c) Continuous conflict between the government troops and the narcotic mafia resulting in a great loss of human life
(d) Intense cold wave killing hundreds of people
263: Match List I (Industrial processes) with List II (Industry with which associated) and select the correct answer using the codes given below the Lists :
List I------------------ List II
I. Cracking-------------(A) Rubber
II. Smelting-------------(B) Petroleum
III. Hydrogenation-------(C) Copper
IV. Vulcanization---------(D) Edible fats
Codes:
(a) I-C, II-B, III-A, IV-D
(b) I-B, II-C, III-D, IV-A
(c) I-B, II-C, III-A, IV-D
(d) I-C, II-B, III-D, IV-A
264: Which one of the following Venn diagrams correctly illustrates the relationship among the classes: Carrot, Food, Vegetable ?
265: A genetically engineered form of brinjal Known as the Bt-brinjal has been developed. The objective of this is
(a) To make it drought-resistant
(b) To make its shelf-life longer
(c) To improve its taste and nutritive qualities
(d) To make it pest-resistant