universe & solar system section 1 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 26 [IAS (Pre) 2006]

Assertion (A):
To orbit around the Sun the planet Mars takes lesser time than the time taken by the Earth.
Reason (R):
The diameter of the planet Mars is less than that of Earth.
Code

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 : 27 [UPPCS (Mains) 2005]

Time taken by light emitted from Sun to reach Earth is

a) 8 minutes

b) 16 minutes

c) 1 minute

d) 2 minutes

Question : 28 [UPPCS (Pre) 2016]

The Earth’s axis of rotation (polar axis) is always inclined at an angle of

a) 24.5º from the elliptic axis

b) 23.5º from the elliptic axis

c) 23.1º from the elliptic axis

d) 23.0º from the elliptic axis

Question : 29

What is the unit of measurement of distance between celestial bodies ?

a) Light year

b) Kilometre

c) Statute mile

d) Nautical mile

Question : 30 [NDA 2013-I]

If the time of a place located on 165° E meridian is 11:00 pm on Sunday, what would be the time at the place located on 165° W meridian?

a) 1:00 am on Sunday

b) 11:00 pm on Saturday

c) 12:00 noon on Sunday

d) 11:00 pm on Sunday