2306: Sugarcane, sugarbeet, sweetpea, chickpea, pigeonpea and French bean belong to
(a) two plant families
(b) three plant families
(c) four plant families
(d) five plant families
2307: Tropical rain forests appear in which of the following regions?
(a) South America, South Africa and Central Europe
(b) Central America, parts of Australia, Guinea Coast
(c) Congo basin, Central America, South East Asia
(d) North and South of the Congo basin
2308: The Function of heavy water in a nuclear reactor is to
(a) Stop the nuclear reaction
(b) Slow down the speed of neutrons
(c) Cool down the reactor
(d) Increase the speed of neutrons
2309: Under the Permanent Settlement, 1793, the zamindars were required to issue pattas to the farmers which were not issued by many of the zamindars. The reason was
(a) the zamindars were trusted by the farmers
(b) there was no official check upon the zamindars
(c) it was the responsibility of the British Government
(d) the farmers were not interested in getting pattas
2310: Which one of the following amendments to the Indian Constitution empowers the President to send back any matter for reconsideration by the Council of Ministers?
(a) 39th
(b) 40th
(c) 42nd
(d) 44th