universe & solar system section 10 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following statements is/ are correct?

1. The major constituent mineral of granite rock is quartz.
2. The major constituent mineral of sandstone rock is feldspar. 3. The major constituent mineral of limestone rock is dolomite.

a) 1 and 2

b) 2 and 3

c) 3 only

d) 1, 2 and 3

Question : 2

Which one of the following geological periods was frequented by increased volcanic activities?

a) Jurassic period

b) Miocene period

c) Ordovician period

d) Cretaceous period

Question : 3

Hubble space telescope has captured, for the first time, detailed image of surface of a distant star. Name of the star

a) Betelgeuse

b) Big Dipper

c) 70 Virgins

d) Virgo

Question : 4

The Earth becomes maximum distance from the sun on

a) September 22nd

b) July 4th

c) December 22nd

d) January 30th

Question : 5

Which of the following statements about the structure of the sun is/are true?

1. Atoms absorb and re-radiate electromagnetic energy generated in the core moving it to the sun’s surface
2. The convection zone consists of Row density gases, stirred by convection
3. As the gases warm and become less dense, they rise to the sun’s surface
4. The gases emit energy into space in the form of visible light, ultra-violet light and infra-red radiation

a) None

b) 1, 2, 3 and 4

c) 2 and 4

d) 1, 3 and 4

Question : 6

Which of the following is the nearest star of Earth?

a) Rigel

b) Vega

c) Sun

d) Sirius