10 Question-answer on planets and parts of solar system
1. The planet nearest to the sun is:
(a) Jupiter
(b) Venus
(c) Mercury
(d) Earth
Ans: (c)
2. Which of the following planets is closest to the earth
(a) Mercury
(b) Venus
(c) Mars
(d) Neptune
Ans: ( b)
3. Which of the following is the biggest planet of our solar system
(a) Earth
(b) Jupiter
(c) Venus
(d) Mars.
Ans: (b)
4. A day on moon is
(a) Equal to earth day
(b) Equal to 2 earth days
(c) Equal to 10 earth day
(d) Equal to 15 earth days
Ans: (d)
5. The planet having the largest number of natural satellites is:
(a) Neptune
(b) Earth
(c) Saturn
(d) Jupiter
Ans: ( c)
6. Which of the following planet is not visible to the naked eye?
(a) Saturn
(b) Jupiter
(c) Neptune
(d) Venus
Ans: (c)
7. Planets which do not have satellites are
(a) Mars
(b) Venus and mercury
(c) Jupiter
(d) Saturn
Ans: (b)
8. Moon has no atmosphere because
(a) It is a satellite
(b) It is rocky in structure
(c) Escape velocity at moon is small
(d) Its temperature is low
Ans: (c)
9. The term albedo stands for
(a) Emissive power
(b) Absorbing power
(c) Gravitational field of a planet
(d) Reflecting power of a planet.
Ans: (d)
10. Which of the following planets have the largest and smallest number of natural satellites, respectively
(a) Jupiter and earth
(b) Jupiter and Venus
(c) Jupiter and Pluto
(d) Saturn and Pluto.
Ans: (d)