universe & solar system section 3 MCQ Questions & Answers Detailed Explanation

Question : 1

The average distance between the moon and the earth’s

a) 540,000 km

b) 576,000 km

c) 267,000 km

d) 384,000 km

Question : 2

The colour of the star is an indication of its

a) Temperature

b) Luminosity

c) Distance from the sun

d) Distance from the earth

Question : 3

Which one of the following statements is/ are correct with regard to Milky Way?

1. It is a spiral galaxy.
2. The solar system resides in one of its spiral arms.

a) Both 1 and 2

b) Neither 1 nor 2

c) 2 only

d) 1 only

Question : 4

DIRECTIONS :
The following question consist of two statements, one labelled as ‘Assertion (A)’ and the other as ‘Reason (R)’. You are to examine these two statements carefully and select the correct answers to these questions using the codes given below.

a) A is true, but R is false

b) A is false, but R is true

c) Both A and R are true, but R is not the correct explanation of A

d) Both A and R are true and R is the correct explanation of A

Question : 5

Which planets do not have satellites revolving around them ?

a) Mars and Mercury

b) Neptune and Pluto

c) Mercury and Venus

d) Mars and Venus

Question : 6

How much time does the light from the nearest star take in reaching the earth ?

a) 4.3 hours

b) 4.3 years

c) 4.3 minutes

d) 12 minutes