1.Which one of the following is known as 'Morning Star'?
A. Mercury
B. Venus
C. Mars
D. Saturn
2. The planet which is called 'Twin Sister of the Earth' is
D. Pluto
3. Assertion (A) Existence of human life on Venus is highly improbable.Reason (R) Venus has an extremely high level of carbon dioxide in its atmosphere.
Codes
A. Both (A) and (R) are true and (R) is the correct explanation of (A).
B. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C. (A) is true, but (R) is false.
D. (A) is false, but (R) is true.
4. Which of the following pairs of planets is without satellites?
A. Venus and Mars
B. Mercury and Mars
C. Earth and Jupiter
D. Mercury and Venus
5. Which one of the following conditions is most relevant for the presence of life on Mars?
A. Atmospheric composition
B. Thermal conditions
C. Occurrence of ice cap and frozen water
D. Occurrence of ozone
6. Which one of the following may have alien life because of a very conductive environment of life?
A. Jupiter
B. Mars
C. Europa-The Jupiter's Moon
D. Moon-The Earth's Moon
7. The Moons of the planet Jupiter were discovered by
A.
B.
C.
D.
8. The ring of Jupiter is composed of
A. silicates
B. non-existent
C. very thick and opaque
D. All of these
9. Methane is present in the atmosphere of
A. Moon
B. Sun
C. Jupiter
D. Mars
10. Among the following, which planet takes maximum time for one revolution around the Sun?
A. Earth
B. Jupiter
D. Venus
11. Which one of the following is the heaviest planet of our solar system?
C. Pluto
12. The atmosphere of Saturn contains which one of the following gases in large quantity?
A. Nitrogen
B. Carbon monoxide
C. Methane
D. Sulphur dioxide
13. Which of the following planets has the least density?
C. Venus
14. Which of the following planets has rings around it
A. Saturn
C. Mercury
D. Earth
15. Planet Saturn
A. is colder than Pluto
B. is colder than Neptune
C. warmer than Neptune
D. warmer than Jupiter
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