universe & solar system section 13 MCQ Questions & Answers Detailed Explanation

Question : 1

Which one of the following conditions is most relevant for the presence of life on mars?

a) Occurrence of ice cap and frozen water

b) Occurrence of ozone

c) Thermal conditions

d) Atmospheric composition

Question : 2

Assertion (A)
Venus is the brightest object in the sky after the Sun.
Reason (R)
Venus is the second planet from the Sun in our solar system.
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 the correct explanation of A

d) Both A and R are true and R is the correct explanation of A

Question : 3

When the earth is at its maximum distance from the sun it is said to be in

a) apogee

b) perigee

c) perihelion

d) aphelion

Question : 4

Which of the following planets is the farthest planet of the Solar System?

a) Saturn

b) Mars

c) Earth

d) Neptune

Question : 5

Which amidst the following planets has its orbit closest to Sun ?

a) Jupiter

b) Uranus

c) Mars

d) Venus

Question : 6

Who discovered the solar system?

a) Copernicus

b) Kepler

c) Newton

d) Aryabhatta