universe & solar system section 5 MCQ Questions & Answers Detailed Explanation

Question : 1

Planet Saturn

a) Warmer than Neptune

b) Warmer than Jupiter

c) is colder than Neptune

d) is colder than Jupiter

Question : 2

Who first propounded that the Sun is the centre of our Solar system and the Earth revolves around it?

a) Panini

b) Copernicus

c) Galileo

d) Newton

Question : 3

Consider the following two statements, one labelled as the Assertion (A) and other as Reason (R). Examine these two statements carefully and select the correct answer by using the code given below:
Assertion (A):
Comets revolve round the sun only in long elliptical orbit.
Reason (R):
A comet develops a tail when it gets close to the sun. Codes:

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 : 4

The Equatorial region has no other season except summer. What could be the reason ?

1. The length of day and night is more or less equal over the year
2. The Earth’s rotational velocity is maximum at the Equator
3. The coriolis force is zero at the Equator

a) 2 and 3 only

b) 1, 2 and 3

c) 1 and 2 only

d) 1 only

Question : 5

The group of stars arranged in a definite pattern is called

a) Andromeda

b) Solar system

c) Constellation

d) Milky way

Question : 6

Statement I: Sideral day is shorter than Solar day.
Statement II: The motion of the Earth in its orbit around the Sun is termed as revolution.

a) Statement I is true but Statement II is false

b) Statement I is false but Statement II is true

c) Both the statements are individually true but Statement II is not the correct explanation of Statement I

d) Both the statements are individually true and Statement II is the correct explanation of Statement I