universe & solar system section 6 MCQ Questions & Answers Detailed Explanation

Question : 1

The distance of Moon from the Earth is

a) 350 thousand kms.

b) 446 thousand kms.

c) 300 thousand kms.

d) 364 thousand kms.

Question : 2

Consider the following statements regarding asteroids:

1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large as 1000 km.
3. The orbit of asteroids lies between orbits of Jupiter and Saturn.

a) 1 and 3 only

b) 1, 2 and 3

c) 2 and 3 only

d) 1 and 2 only

Question : 3

Biggest planet of solar system is

a) Saturn

b) Jupiter

c) Mars

d) Earth

Question : 4

By how much degree the earth is inclined on its own Axis

a) 24 1/2

b) 69 1/2

c) 66 1/2

d) 23 1/2

Question : 5

Which is true about Planets?

a) Planets do not shine though they are luminous body

b) Planets are luminous body and also shine

c) Planets shine though they are non-luminous bodies

d) Planets are non-luminous bodies and don’t shine

Question : 6

The tail of comet is directed away from the Sun, because

a) The radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun

b) The tail of the Comet always exists in the same orientation

c) As the Comet rotates, the lighter mass of the Comet is attracted by some stars situated in the direction of its tail

d) As the Comet rotate around the Sun, the lighter mass of Comet is pushed away due to centrifugal force alone