universe & solar system section 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Consider the following statements regarding asteroids:

1. Asteroids are rocky debris of varying sizes orbiting the Sun.
2. Most of the asteroids are small but some have diameter as large as 1000 km.
3. The orbit of asteroids lies between orbits of Jupiter and Saturn.

a) 1 and 3 only

b) 1, 2 and 3

c) 2 and 3 only

d) 1 and 2 only

Question : 2

Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively:

a) 30° East and 75° West

b) 35° West and 70° East

c) 70° East and 35° West

d) 75° West and 30° East

Question : 3

The limit beyond which stars suffer internal collapse is called

a) Hoyle limit

b) Fowler limit

c) Eddington limit

d) Chandrashekhar limit

Question : 4

Diamond Ring is a phenomenon observed

a) only along the peripheral regions of the totality trail.

b) only in the central regions of the totality trail.

c) at the end of a total solar eclipse.

d) at the start of a total solar eclipse.

Question : 5

If the earth’s axis had not been inclined,

1. temperature distribution would have been uniform.
2. days and nights would not have occurred.
3. seasons would not have occurred.
4. poles would not have continuous day.

a) 3 and 4

b) 2, 3 and 4

c) 2 and 4

d) 1, 3 and 4

Question : 6

The sun is veritical over the Tropic of Cancer on

a) Sept. 23

b) Dec. 22

c) June 21

d) March 21