universe & solar system section 7 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following two statements, one labelled as the Assertion (A) and other as Reason (R). Examine these two statements carefully and select the correct answer by using the codes given below:
Assertion (A):
Venus is the brightest object in the sky after the Sun.
Reason (R):
Venus is the second planet from the Sun in our solar system. Codes:

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 : 2

Which planet was named after the Roman God Zeus?

a) Venus

b) Jupiter

c) Mars

d) Earth

Question : 3

The term syzygy is referred to when

a) The Moon and the Sun are at right angles with reference to the Earth.

b) The Moon, Sun and Earth lie along a straight line.

c) The Earth is at aphelion and the Moon at apogee.

d) The Earth is at perihelion and the Moon at perigee.

Question : 4

At which average speed the Earth revolve around the Sun?

a) 40 km/sec

b) 50 km/sec

c) 30 km/sec

d) 20 km/sec

Question : 5

Time taken by Moon’s light to reach Earth is

a) 1.58 sec

b) 2.32 sec

c) 1.34 sec

d) 58 sec

Question : 6

The group of stars arranged in a definite pattern is called.

a) Andromoda

b) Solar System

c) Constellation

d) Milky way