universe & solar system section 7 MCQ Questions & Answers Detailed Explanation

Question : 1

The axis of rotation of the earth is tilted by 23.5° to the plane of revolution around the sun. The latitude of Mumbai is less than 23.5° whereas the latitude of Delhi is more than 23.5°. Which one of the following statements in this regard is correct?

a) At Mumbai the sun can come overhead, but it will never do so at Delhi

b) At Delhi, the sun can come overhead but it will never do so at Mumbai

c) The sun will never come overhead at either of these places

d) The sun can come overhead at both these places

Question : 2

Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?

a) Black hole

b) Supernova Star

c) White Dwarf

d) Neutron Star

Question : 3

Which of the following statements regarding the Deccan Traps is/are correct?

1. Intense volcanic activity in the form of fissure eruption took place towards the end of Cretaceous period.
2. The volcanic lava spread out in horizontal sheets.
3. The regur soil found here is rich in nitrogen.

a) 3 only

b) 1 only

c) 1, 2 and 3

d) 1 and 2

Question : 4

Which one of the following planets rotates clockwise?

a) Venus

b) Mercury

c) Mars

d) Earth

Question : 5

The two planets having no satellite are

a) Mercury and Saturn

b) Venus and Mars

c) Mercury and Venus

d) Earth and Jupiter

Question : 6

Which of the following phenomenon is/are the effect of the rotation of the Earth?

1. Apparent movement of the Sun, the Moon and the Stars.
2. Flatness of the poles and bulge at the equator.
3. Occurrence of sunrise, noon and sunset.
4. Magnetic field of the Earth.

a) 2 and 3 only

b) 1, 2, 3 and 4

c) 1 and 3 only

d) 1 and 2 only