Solar System Worksheet-1
Multiple Choice Questions:
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Which instrument helps us to see stars and moon?
(a) Thermometer (b) Telescope (c) Stethoscope
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What is Earth?
(a) A planet (b) A satellite (c) A star
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The Earth moves around which of the following?
(a) Sun (b) Star (c) Moon
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Till July 2006, it was accepted that the sun has a family of _____ planets.
(a) seven (b) nine (c) eight
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In which year did International Astronomical Union (IAU) redefined a planet?
(a) 2004 (b) 2005 (c) 2006
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Which of the following correctly defines IAU?
(a) International Astronomical Union
(b) International Astrological Union
(c) Indian Astrological Unit
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On which date did International Astronomical Union (IAU) redefined a planet?
(a) August 22 (b) August 23 (c) August 24
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Our solar system has now only ______ planets.
(a) five (b) eight (c) seven
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Which of the following is now called a dwarf planet?
(a) Mars (b) Pluto (c) Mercury
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What is the fixed path in which eight planets move around the sun called?
(a) Orbit (b) Axis (c) Rotation
Answer Key:
(1)-B; (2)-A; (3)-A; (4)-B; (5)-C; (6)-A; (7)-C; (8)-B; (9)-B; (10)-A
