universe & solar system section 2 MCQ Questions & Answers Detailed Explanation

Question : 1

What is true about the equinox ?

a) Vertical sun over the equator

b) Continuous day in the polar regions

c) Vertical sun over the Tropic of Capricorn

d) Vertical sun over the Tropic of Cancer

Question : 2

Arrange the planets correctly in descending order in terms of number of their satellites.

1. Uranus
2. upiter
3. Saturn
4. Mars

a) 2, 3, 4, 1

b) 3, 2, 1, 4

c) 4, 2, 3, 1

d) 2, 3, 1, 4

Question : 3

The nuclear fuel in the Sun is

a) Oxygen

b) Uranium

c) Hydrogen

d) Helium

Question : 4

On which date is the earth in perihelion ?

a) January 3

b) July 4

c) Dec 22

d) June 21

Question : 5

Meteor is a

a) Part of stellar system

b) Tailles Comet

c) A piece of matter which has entered the Earth atmosphere from outer space

d) Fast moving star

Question : 6

The twinkling of a star is due to

a) the transit of other celestial objects across the line of sight.

b) the atmospheric refraction of starlight.

c) the variation in the composition of the star with time.

d) the variation in the intensity of light emitted by it with time.