2436: The resinous substance, shellac is obtained from
(a) Crude oil
(b) The bark of a tree
(c) An insect
(d) Distillation of wood
2437: Match List I with List II and select the correct answer by using the codes given below the lists:
List I----------List II
I. Surendranath Bannerjee-------(A) Hind Swaraj
II. M. K. Gandhi-----------------(B) The Indian Struggle
III. Subhash Chandra Bose-------(C) Autobiographical Writings
IV. Lajpat Rai-------------------(D) A Nation in Making
Codes :
(a) I - D, II - A, III - C, IV - B
(b) I - A, II - D, III - C, IV - B
(c) I - A, II - D, III - B, IV - C
(d) I - D, II - A, III - B, IV - C
2438: If water pollution continues at its present rate, it will eventually
(a) stop water cycle
(b) prevent precipitation
(c) make oxygen molecules unavailable to water plants
(d) make nitrate unavailable to water plants
2439: A candidate attempted 12 questions and secured full marks in all of them. If he obtained 60% in the test and all questions carried equal marks, then what is the number of questions in the test ?
2440: Which of the following best describes the term import cover, sometimes seen in the news?
(a) It is the ratio of value of imports to the Gross Domestic Product of a country
(b) It is the total value of imports of a country in a year
(c) It is the ratio between the value of exports and that of imports between two countries
(d) It is the number of months of imports that could be paid for by a countrys international reserves