universe & solar system section 4 MCQ Questions & Answers Detailed Explanation

Question : 1

On the surface of the Moon, two persons cannot listen each other as

a) They wear special types of space suits on the Moon

b) Sound travels very slow on the Moon

c) There is no atmosphere on the Moon

d) Their ears stops working at the Moon

Question : 2

The average distance between the sun and earth is

a) 155 million km

b) 160 million km

c) 150 million km

d) 145 million km

Question : 3

The Milky Way Galaxy was first observed by

a) Marconi

b) Newton

c) Maarten Schmidt

d) Galileo

Question : 4

Satellite having the same orbital period as the period of rotation of the Earth about its orwn axis is known as

a) geostationary satellite

b) INSAT

c) stationary satellite

d) polar satellite

Question : 5

Our solar system is located in which Galaxy?

a) Milky Way

b) Andromeda

c) Alpha Centauri

d) Peroxima Centauri

Question : 6

During the Venus transit, the planet appeared as a tiny black circle moving on the Sun. The black colour on the Sun is because the planet :

a) Was invisible due to bright rays from the Sun.

b) Behaved as a black hole during its transit.

c) Is black in colour.

d) Obstructed all light from the Sun.