2241: Which one of the following statements is correct with reference to our solar system ?
(a) The Earth is the densest of all the planets in our solar system
(b) The predominant element in the composition of Earth is silicon
(c) The Sun contains 75 per cent of the mass of the solar system
(d) The diameter of the Sun is 190 times that of the Earth
2242: MCA-21 is a major initative taken up by the Government of India in which one of the following areas ?
(a) Modernization of airports
(b) Foreign direct investment in India
(c) e-governance
(d) Attacting international tourists
2243: Assertion (A):
In the periodic table of chemical elements, electron affinity is always found to increase from top to bottom in a group.
Reason (R):
In a group, the atomic radial generally increase from top to bottom.
(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
2244: The Pulitzer Prize is associated with which one of the following ?
(a) Civil Aviation
(b) Journalism
(c) Enviromental protection
(d) Olympic games
2245: Every year, a month long ecologically important campaign / festival is held during which certain communities / tribes plant saplings of fruit-bearing trees. Which of the following are such communities / tribes?
(a) Bhutia and Lepcha
(b) Gond and Korku
(c) Irula and Toda
(d) Sahariya and Agariya