2221: The evidence for the rotation of stars comes mainly from the
(a) Doppler effect
(b) Photoelectric effect
(c) Stark effect
(d) Zeeman effect
2222: Who among the following was a proponent of Fabianism as a movement?
(a) Annie Besant
(b) A. O. Hume
(c) R. Palme Dutt
(d) Michael Madhusudan Dutt
2223: Which one of the following was the first fort constructed by the British in India ?
(a) Fort William
(b) Fort St. Angelo
(c) Fort St. David
(d) Fort St. George
2224: 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
2225: Swamps are seen in the Siberian rivers because
(a) Freezing of the river near the mouth prevents water to flow to the sea
(b) Rivers are too narrow
(c) Rivers are heavily drained by the large network of canals
(d) Railway bridges built across the rivers obstruct the flow