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

MOST IMPORTANT indian geography mcq - 13 EXERCISES

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The following question based on Universe, solar system and Astronomy topic of indian geography mcq

Questions : Which of the following planets does not have satellite?

(a) Jupiter

(b) Venus

(c) Mars

(d) Earth

The correct answers to the above question in:

Answer: (b)

Practice Universe, solar system and Astronomy (universe & solar system section 10) Online Quiz

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Question : 1

A spinning neutron star is known as

a) Pulsar

b) Quasar

c) Black hole

d) White dwarf

Answer: (a)

Pulsars are spinning neutron stars that have jets of particles moving almost at the speed of light streaming out above their magnetic poles. These jets produce very powerful beams of light.

Question : 2

What is the unit of measurement of distance between celestial bodies ?

a) Light year

b) Kilometre

c) Statute mile

d) Nautical mile

Answer: (a)

Question : 3

The Earth is nearest to the Sun on

a) 22nd March

b) 21st September

c) 4th July

d) 3rd January

Answer: (d)

Question : 4

Which one of the following statements is/ are correct with regard to Milky Way?

  1. It is a spiral galaxy.
  2. The solar system resides in one of its spiral arms.
Select the correct answer using the code given below:

a) Both 1 and 2

b) Neither 1 nor 2

c) 2 only

d) 1 only

Answer: (a)

The Milky Way is the Galaxy in which we live. It is a spiral-shaped galaxy that contains several hundred billion stars, including our Sun. It is about 100,000 light-years across and about 10,000 light-years thick.

If you are at a place that has a very dark night sky, you can sometimes see the Milky Way as a thick band of stars in the sky. We live out in the suburbs of the Milky Way - not near the center, but not near the edge either.

Question : 5

Which of the given two planets are between Mars and Uranus in order of distance from Sun?

a) Saturn and Earth

b) Saturn and Neptune

c) Jupiter and Saturn

d) Earth and Jupiter

Answer: (c)

Question : 6

What explains the eastward flow of the equatorial countercurrent?

a) Difference in salinity of water

b) Occurrence of the belt of calm near the equator

c) Convergence of the two equatorial currents

d) The Earth’s rotation on its axis

Answer: (d)

The Earth’s rotation on its axis explains the eastward flow of the equatorial counter-current. The earth would have been rotating east to west, the piled-up water would have come down on the west side.

Therefore, essentially it’s the earth’s rotation that explains the eastward flow of equatorial counter current.

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