1801: Fertility of soil can be improved by:
(a) Removing dead earthworms
(b) Adding dead earthworms
(c) Adding living earthworms
(d) Removing living earthworms and adding dead earthworms
1802: Who among the following is considered as the inventor of the World Wide Web (WWW)?
(a) Edward Kasner
(b) Vinod
(c) Bill Gates
(d) Tim Berners-Lee
1803: A survey was conducted on a sample of 1000 persons with reference to their knowledge of English, French and German. The results of the survey are presented in the given Venn diagram. The ratio of the number of persons who do not know any of the three languages to those who know all the three languages is
(a) 1/27
(b) 1/25
(c) 7/550
(d) 175/1000
1804: Which of the following brings out the 'Consumer Price Index Number for Industrial Workers'?
(a) The Reserve Bank of India
(b) The Department of Economic Affairs
(c) The Labour Bureau
(d) The Department of Personnel and Training
1805: Consider the following statements regarding asteroids :
I. Asteroids are rocky debris of varying sizes orbiting the Sun.
II. Most of the asteroids are small but some have diameter as large as 1000 km.
III. The orbit of asteroids lies between the orbits of Jupiter and Saturn.
Of these statements :
(a) I, II and III are correct
(b) II and III are correct
(c) I and II are correct
(d) I and III are correct