universe & solar system section 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Time taken by light emitted from Sun to reach Earth is

a) 8 minutes

b) 16 minutes

c) 1 minute

d) 2 minutes

Question : 2

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 : 3

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

a) Light year

b) Kilometre

c) Statute mile

d) Nautical mile

Question : 4

Which one of the following statements is not correct?

a) All meridians are always parallel to one another

b) An indefinite number of meridians may be drawn on a globe

c) Meridians are spaced farthest apart at the equator and converge to common points at the poles

d) All meridians run in a ture North-South direction

Question : 5

Consider the following statements:

1. Our solar system is located in the orion arm of the Milky way galaxy, about two-third of the way out from the centre.
2. The solar system formed from an interstellar cloud of dust and gas or nebulla about 4.6 billion years ago.

a) Both 1 and 2

b) Neither 1 nor 2

c) 2 only

d) 1 only

Question : 6

Which of the following stars is known as Fossil star?

a) Red Giant

b) White Dwarf

c) Dog Star

d) Protostar