11. Which of following planet is known as “Morning Star”?
A. Mercury
B. Venus
C. Mars
D. Saturn
12. The temperature of sun’s outer surface is:
A. 600°C
B. 6000°C
C. 500°C
D. 5000°C
13. Which planet of the solar system spins on its axis as the fastest rate?
A. Mercury
B. Earth
C. Jupiter
D. Mars
14. Which of following is longest period of rotation:
A. Mars
B. Venus
C. Saturn
D. None of these
15. Which planet is known as Watery Planet:
A. Earth
B. Mercury
C. Mars
D. Jupiter
16. Solar system was discovered by:
A. Kepler
B. Galileo
C. Copernicus
D. Platu
17. The unit measuring distance between Stars:
A. Galactic year
B. Light year
C. Cosmic Kilometer
D. None of these
19. Which planet looks reddish in the night:
A. Mercury
B. Mars
C. Jupiter
D. Saturn
20. Which of the following is most predominant in the sun:
A. Helium
B. Hydrogen
C. Nitrogen
D. Ozone