2071: Why is there a severe difference in the climates of Northern and Southern Hemisphere?
(a) Due to rotation of the earth around its axis
(b) Due to revolution of the earth around the sun of its orbit
(c) Both of the above
(d) None of the above
2072: If water contracts on freezing, which of the following would happen?
(a) Icebergs will completely float on the surface of water
(b) Ice would become more dense
(c) Lakes would freeze from top to bottom
(d) Rocks will crack due to freezing or internal water
2073: Indian has recently landed its Moon Impact Probe on the Moon. Among the following countries, which one landed such probe on the Moon earlier?
(A) Japan
(B) Canada
(C) China
(D) Australia
2074: A mixed doubled tennis game I to be played between two teams (each team consists of one male and one female). There are 4 married couples. No team is to consists of a husband and his wife. What is the Maximum number of games that can be played?
(a) 12
(b) 21
(c) 36
(d) 42
2075: Which of the following terms is used to denote the heavy rocks of the lithosphere ?
(a) Substratum
(b) SIAL
(c) SIMA
(d) None of the above