Multiple Choice Questions ExerciseI olect the options that best answers the Jollowit 1.How many planets exist in the solar system? A.11 B.10 C.9 D.8 2. The hottest planet in the solar system is A. Mars. B. Earth. C. venus. D. Mereury. 3. The largest planet in the solar system is A. Neptune. B. Saturn. C. Jupiter. D. Uranus. 4. The coldest planet in the solar system is B. Uranus. A. Saturn. C. Jupiter. D. Neptune. 5. Which of the following forces keeps the heavenly body in their otous A. Gravitational force B. Electrostatic force C. Friction D. Tension 6. Which of the following planets takes the longest time to move arouna the Sun A. Mercury B. Earth C. Neptune D. Jupiter 7. What causes day and night? A. The movement of the Earth around the Sun B. The movement of the Earth on its axiS C. The movement of the Sun around the Earth D. The movement of the Moon around 8. What is the period of rotation of Mercury around the Sun'? A. 28 day B. 58 day C. 78 day D. 180 day 9. What it the period of rotation of Venu around the Sun? B. 220 days C. 243 days D. 365 days A 150 day 10. Which of the following are directly caused by the movement ol planet and moons? I. Eclipses II. Seasons III. Day and night IV. Weathering A. Iand II only B. IIl and IV only C.I, II and Ill only D. II, IIl and IV only