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

Question : 1

‘Big Bang theory’ is related to

a) Origin of the Himalayas

b) Eruption of Volcanoes

c) Origin of the Universe

d) Continental Drifts

Question : 2

What is the time taken by the Earth to complete one rotation on its axis?

a) 24 hr

b) 24 hr 12 min 6 sec

c) 23 hr 56 min 4 sec

d) 23 hr 52 min 4 sec

Question : 3

The mass of Jupiter is approximately

a) one hundredth of the solar mass

b) half the solar mass

c) one thousandth of the solar mass

d) one tenth of the solar mass

Question : 4

Which of the following statements is/are correct?

1. Lunar eclipse takes place when the Earth comes directly between the Sun and the Moon
2. Solar eclipse happens when the Moon comes directly between the Sun and the Earth
3. Lunar eclipse takes place when the Sun comes directly between the Earth and the Moon
4. Solar eclipse happens when the Earth comes directly between the Sun and the Moon

a) 1 and 2

b) 2 only

c) 3 and 4

d) 1, 2 and 3

Question : 5

Which statement describes the atmosphere of the planet correctly?

1. Venus is mostly carbon dioxide
2. Mercury is mostly nitrogen.
3. Earth is mostly oxygen.
4. Saturn is mostly helium.

a) 1 and 3

b) None

c) 2 and 3

d) 1 only

Question : 6

The terms ‘Event Horizon’, ‘Singularity’, ‘String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of

a) Placing satellites in the orbit of the Earth

b) Origin and evolution of living organisms on the Earth

c) Study of the solar and the lunar eclipses

d) Observation and understanding of the Universe