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1) The temperature of sun's outer surface is: a. 600 b. 6000 c. 500 d. 5000
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2) Which planet of the solar system spins on its axis as the fastest rate? a. Mercury b. Earth c. Jupiter d. Saturn
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3) Which among the following four planets is the biggest in size? a. Venus b. Mercury c. Earth d. Mars
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4) How many years does Pluto take in revolving around the sun? a. 100 years b. 200 years c. 248 years d. 300 years
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5) The term meteor is applied to an interplanetary body: a. After it enters the atmosphere of the earth b. After it enters the earth's atmosphere and explodes in the mid air as a ball of fire c. After it enters the earth's atmosphere and lands on the surface of the earth without exploding in mid air d. Before it enters the earth's atmosphere
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6) Among the planets of the solar system, the one which has the longest period of rotation is: a. Mars b. Venus c. Saturn d. Pluto
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7) Which one of the following statement regarding shooting stars is incorrect? a. They are meteors b. They are debris c. They emit light d. They are kind of stars
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8) Which planet is known as watery planet? a. Mercury b. Earth c. Mars d. Jupiter
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9) Solar system was discovered by: a. Kepler b. Galileo c. Copernicus d. Plato
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10) Huge congregation of stars that are held together by the force of ggravity are known as: a. Constellations b. Galaxies c. Comets d. Solar system
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11) The unit of measuring distances betweenthe stars is known as: a. Galactic unit b. Light year c. Cosmic kilometre d. Steller mile
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12) Which planet look reddish in the night sky? a. Mercury b. Mars c. Jupiter d. Saturn
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13) The planets are kept in motion in their respective orbits by: a. Gravitation nad centrifugal force b. The rotation and density c. Their great size d. Rotation of sun on its axis.
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14) The study of heavenly bodies is known as: a. Astrology b. Astrophysics c. Astronomy d. Geophysics
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15) Supernova is: a. An asteroid b. A dying star c. A comet d. A black hole
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16) The milky way extends through a distance of: a. One light-year b. 105 light-years c. 8 light-years d. 5010 light-hears
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17) The altitudes of heavenly bodies appear to be greater than they actually are. This is due to : a. Atmospheric refraction b. Motions of the earth c. These are visible d. Vertical motions
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18) The period of one revolution of sun around the centre of galaxy is called: a. Cosmic year b. Astronomical year c. Light year d. Parsec
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19) Which of the following is concerned with the description and mapping of the main features of the universe? a. Cosmology b. Cosmography c. Astronomy d. None of these
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20) The same side of the moon always faces the earth because: a. Moon and earth have gravitational force b. Moon cannot change its position c. The period of rotation of the moon on its axis and period of revolution around the earth is almost the same d. None of these
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21) The light coming from stars gives the idea of their: a. Size b. Rotational speed c. Mass d. Density
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22) The constellation of stars appears at different positions in the sky at different times during night mainly: a. Because earth rotates about its axis b. Because earth revolves around the sun c. Because of optical illusion d. Because celestial bodies are changing their position
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23) The sunsports cause: a. Aurora australis and aurora borealis b. Magnetic storms on the surface of the sun c. Polar auroras d. All of these
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24) "Parsec" is the unit of measurement of: a. Density of stars b. Orbital velocity of giant stars c. Astronomical distance d. None of these
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25) The distance of the nearest star besides the sun from the earth is: a. 3 light-years b. 4 light-years c. 5 light-years d. 6 light-years
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26) Lunar-eclipse does not occur every month because: a. The sun's orbit is not always in the same plane as the moon b. The moon's orbit is not all the time in the same plane as the earth c. The moon revolves at a slower speed than the earth d. None of these
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27) Which of the following celestial bodies bear, 'The Sea of Tranquility' and 'The Ocean of Storms'? a. Mars b. Venus c. Moon d. Sun
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28) The time required by moonlight to reach the earth is: a. One second b. 1.3 second c. 2 seconds d. 3 seconds
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29) The brightest star in the sky is: a. Hayes b. Praesepe c. Sirius d. Sun
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30) Lunar Sea refers to: a. A small sea on the moon b. A sea on erth which experiences high tides due to gravitational attraction of the moon c. A dark plain on the moon d. A large water body illuminated by moonlight
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31) Lunar eelipse is caused when the: a. Moon comes between the sun and the earth b. Earth comes between the sun and the moon c. Sun comes between the earth and the moon d. None of these
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32) The 'Solar Corona' mainly consists of: a. Cosmic rays b. Molten rays c. Molten lava d. Gases
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33) Which two planets of the solar system have no satellites? a. Mercury and Venus b. Venus and Mars c. Mercury and Pluto d. Venus and Neptune
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34) Which of the following gases is most predominant in the sun? a. Helium b. Hydrogen c. Nitorgen d. Ozone
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35) The smallest planet is: a. Venus b. Mercury c. Pluto d. Uranus
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36) If there is no sun, the colour of the sky would be: a. Orange b. Blue c. Yellow d. None of these
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37) Which of the following planets is at the farthest distance from the earth? a. Neptune b. Mercury c. Pluto d. Mars
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38) The solar wind is composed of: a. Outward stream of protons on the sun surface b. Ionized gas c. Plasma d. All of these
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39) Solar eclipse occurs when: a. Earth comes between sun and moon b. Moon is at right angle to earth c. Moon comes between sun and earth d. Sun comes between moon and earth
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40) The largest planet of the solar system is: a. earth b. Mars c. Jupiter d. Saturn
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41) Tides are caused by the gravitational pull of the: a. Earth on the moon b. Earth on the sun c. Sun and the moon on earth d. Moon on earth
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42) Which one of the following is not a satellite of Jupiter? a. Callisto b. Lo c. Eurpa d. Titan
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43) Moon is called a satellite of the earth because a. It is much smaller than the earth b. It revolves around the sun c. It has no light of his own d. It produces tides on earth
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44) Comets revolved around: a. Earth b. Sun c. Venus d. No single heavenly body
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45) The position of a planet when it is nearest to the sun, is called: a. Perihelion b. Aphelion c. Apogee d. Perigee
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46) Which of the following is known as the "Red Planet"? a. Mercury b. Mars c. Saturn d. Venus
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47) Which planet is known as the Earth's Twin? a. Venus b. Mars c. Uranus d. Neptune
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48) The Saturn rings were discovered by: a. Copernicus b. Newton c. Galileo d. None of these
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49) Ilalley's comet appears once in a period of: a. 24 years b. 30 years c. 76 years d. 80 years
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50) Jupiter is larger than the earth by about: a. 5 times b. 10 times c. 20 times d. 25 times
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