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

Question : 1

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 : 2

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 : 3

Magma that is more granitic tends to be very explosive because

a) of relatively lower water content

b) of relatively lower gases content

c) of relatively higher gases content

d) of relatively higher water content

Question : 4

The latitude is the angular distance of a point on the earth’s surface with respect to the

a) pole star

b) Tropic of Cancer

c) prime meridian

d) equator

Question : 5

Statement I:
The planet Neptune appears blue in colour.
Statement II:
The presence of methane gas in the atmosphere of Neptune is responsible for its colour

a) Statement I is true, but Statement II is false

b) Statement I is false, but Statement II is true

c) Both the statements are individually true but Statement II is not the correct explanation of Statement I

d) Both the statements are individually true and Statement II is the correct explanation of Statement I

Question : 6

Which one of the following is known as ‘Morning Star’?

a) Mars

b) Saturn

c) Venus

d) Mercury