Universe & Solar System Section 12 Practice Questions Answers Test With Solutions & More Shortcuts

Question : 6 [2010]

Which of the following is not a planet?

a) Mars

b) Mercury

c) Earth

d) Moon

Question : 7

How much is the mass of the moon when compared with that of the earth ?

a) 1/51

b) 1/8

c) 1/81

d) 1/49

Question : 8 [BPSC (Pre) 2015]

The scientist who first discovered that the Earth revolves round the Sun was

a) Copernicus

b) Einstein

c) Dalton

d) Newton

Question : 9 [UPPCS (Pre) 1995]

A ball thrown outside from an artificial satellite revolving round the Earth will

a) Fall on the Earth

b) Revolve round the Earth in the same orbit with the same time period as satellite

c) Go to the Moon

d) Go to the Sun

Question : 10

Greenwich mean time is ––––––––––– IST.

a) 4.5 hours behind

b) 5.5 hours behind

c) 12 hours ahead

d) 5.5 hours ahead