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PYQ 1200 Q/A Part - 1
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Kerala PSC General Science Book Study Materials Page 131
Book's First Page400. Halley"s comet appears in the heavens once in (a) 40 years (b) 50 years (c) 76 years (d) 80 years Ans: (c) 401. The planet that is known as earth"s twin is (a) Mercury (b) Venus (c) Moon (d) Mars Ans: (b) 402. The temperature, surface features, length of days and nights of a planet depend on (a) its atmosphere (b) its distance from the sun (c) its rotation (d) All the above Ans: (d) 403. The earth"s nearest neighbour in space is (a) the Sun (b) the Moon (c) the Venus (d) the Mars Ans: (b) 404. The asteroids belt lies between the orbits of (a) Earth and Mars (b) Venus and Earth (c) Mars and Jupiter (d) Moon and Mars Ans: (c) 405. The difference between planets and stars is 130