OUR UNIVERSE
1. On planet Earth, there is no centrifugal force at the
(1) Equator
(2) Tropic of Cancer
(3) Tropic of Capricorn
(4) Poles
2. Which among the following planets is smaller in size than the Earth?(1) Neptune (2) Venus
(3) Saturn (4) Uranus
3. The nuclear fuel in the sun is –
(1) Helium (2) Uranium
(3) Hydrogen (4) Oxygen
4. Which planet has the longest day and the shortest year?
(1) Mars (2) Jupiter
(3) Mercury (4) Uranus
5. Which planet was named after the Roman God Zeus?
(1) Mars (2) Earth
(3) Venus (4) Jupiter
6. Which of the following is the farthest planet to the Sun?
(1) Mars (2) Jupiter
(3) Neptune (4) Earth
7. Which is the closest star to earth?
(1) Sirius (2) Sun
(3) Rigel (4) Deneb
8. Who discovered the solar system?
(1) Copernicus (2) Kepler
(3) Aryabhatta (4) Newton
9. How many kilometers and represented by 1 degree of latitude?
(1) 321 km (2) 211 km
(3) 111 km (4) 91 km
10. The average distance from the sun to earth is –
(1) 150mkm (2) 57.8 million km
(3) 227.9 m km (4) 778.2 m km
11. Meteorites are the heavenly bodies –
(1) Between the Mars and the Jupiter
(2) Between the Saturn and the Neptune
(3) Between the Mars and the Venus
(4) That burn brightly on entering the Earth atmosphere
12. The largest planet in our solar system is –
(1) Mars (2) Jupiter
(3) Butterfly (4) Saturn
13. We always see the same face of the moon, because –
(1) It is smaller than the earth
(2) It revolves on its axis in a direction opposite to that of the earth
(3) It takes equal time for revolution around the earth and rotation on its own axis
(4) It rotates at the same speed as the earth around the sun
14. Consider the following statements –
(a) The Earth receives the Sun’s energy at the infrared end of the spectrum.
(b) The Earth re-radiates the Sun’s heat as ultraviolet energy
Which of the statements given above is /are correct?
(1) a only (2) b only
(3) Both a and b (4) Neither a nor b
15. The ‘blue moon’ phenomenon occurs –
(1) When two full moons occur in the same month
(2) When four full moons appear in two consecutive months of the same calendar year
(3) when two full moons appear in the same month thrice n a calendar year
(4) None of the above
ANSWERS:
1. | 4 | 11. | 4 |
2. | 2 | 12. | 2 |
3. | 3 | 13. | 3 |
4. | 3 | 14. | 4 |
5. | 4 | 15. | 1 |
6. | 3 | ||
7. | 2 | ||
8. | 1 | ||
9. | 3 | ||
10. | 1 |
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