universe & solar system section 3 MCQ Questions & Answers Detailed Explanation

Question : 1

Global Positioning System (GPS) is associated with

1. determining latitude and longitude
2. constellation of satellites
3. US system of GPS and Russian system of GLONASS
4. navigation

a) 2 and 3

b) All of these

c) 1 and 4

d) 1, 2 and 4

Question : 2

Solar energy is due to

a) Nuclear Fission

b) Oxidation

c) Nuclear Fusion

d) Ionization

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 codes given below:
Assertion (A):
The planet Neptune appears blue in colour.
Reason (R):
The presence of Methane gas in the atmosphere of Neptune is responsible for its colour. 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 powerful experiment that took place recently to study the earth’s conditions just after the big bang is known as:

a) Microwave anisotropy probe

b) None of these

c) Steady state experiment

d) Large Hadron Collider

Question : 5

Which of the following statements about Venus is/are true

1. Venus is the brightest object in the sky after the sun and the moon.
2. The atmosphere of Venus is mostly CO2 making it the hottest planet of our solar system.
3. It has a strongmagnetic field and very dense atmosphere.
4. It spins in clock-wise direction.

a) 2, 3 and 4

b) 1, 2 and 4

c) 1, 3 and 4

d) 1 and 2

Question : 6

Which one of the following is correct?

a) Star

b) Constellation

c) Planet

d) Great bear is a Galaxy