universe & solar system section 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following statements relating to Earthquakes is/are correct?

1. The point of origin of Earthquake is called epicenter.
2. The lines joining the places which were affected Earthquake at the same point of time are called homoseismal lines.

a) Both 1 and 2

b) Neither 1 nor 2

c) Only 2

d) Only 1

Question : 2

Which of the following stars is also known as Pulsar?

a) Neutron Star

b) Massive Star

c) White Dwarf

d) Red Giant

Question : 3

Which of the following statements is/are correct?

1. All stars and planets in the universe shine by the reflected light of the sun.
2. Sun is believed to be formed of condensation of gases.
3. The sun has a surface temperature of about 20 million °C.
4. Sun is about 30,000 times as big as the earth.

a) 3 and 4

b) 2 and 3

c) 1 and 2

d) 2 only

Question : 4

What would be the date and local time of a place located at 88°30' E longitude when the local time at 0° longitude is 19.00 hrs. of 28th February 2013?

a) 23-30 hrs. of 28th February

b) 00-44 hrs. of 1st March

c) 00-54 hrs. of 1st March

d) 23-54 hrs. of 28th February

Question : 5

The imaginary line on the Earth’s surface that closely follows the 180° Meridian is

a) International Date Line

b) Tropic of Cancer

c) Equator

d) Prime Meridian

Question : 6

Stars twinkle but planets do not twinkle because

a) they are very far away from the earth resulting in decrease in intensity of light

b) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

c) their distance from the earth does not change with time

d) they emit light of a constant intensity