universe & solar system section 6 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 31 [UPPCS (Pre) 1992]

Which is true about Planets?

a) Planets do not shine though they are luminous body

b) Planets are luminous body and also shine

c) Planets shine though they are non-luminous bodies

d) Planets are non-luminous bodies and don’t shine

Answer: (c)

Question : 32

By how much degree the earth is inclined on its own Axis

a) 24 1/2

b) 69 1/2

c) 66 1/2

d) 23 1/2

Answer: (d)

Question : 33

Which of the following phenomena might have influenced the evolution of organisms?

  1. Continental drift
  2. Glacial cycles.
Select the correct answer using the code given below.

a) 2 only

b) Both 1 and 2

c) 1 only

d) (CSAT - 2014)

e) Neither 1 nor 2

Answer: (a)

Continental Drift and Glacial Cycles have influenced the evolution of organisms. Continental drift is the movement of the Earth’s continents relative to each other by appearing to drift across the ocean bed.

A glacial period is an interval of time within an ice age that is marked by glacier advances.

Question : 34

The distance of Moon from the Earth is

a) 350 thousand kms.

b) 446 thousand kms.

c) 300 thousand kms.

d) 364 thousand kms.

Answer: (d)

The distance of the moon from the Earth is 364 thousand km. The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar System.

It is the largest natural satellite of a planet in the Solar System relative to the size of its primary, having 27% the diameter and 60% the density of Earth, resulting in 1/81 its mass.

Question : 35

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.
Which of the statements given above are correct?

a) 1 and 3 only

b) 1, 2 and 3

c) 2 and 3 only

d) 1 and 2 only

Answer: (d)

Asteroids are rocky debris of varying sizes orbiting the Sun. They are generally small but some have a diameter of 1000 km. Asteroids are minor planets whose orbits lie between Jupiter and Mars.

These are said to be the fragments of a larger planet disrupted long ago. Their number is estimated to be 30,000 pieces of rocky debris out of which more than half are known.

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961 Universe, solar system and Astronomy based indian geography mcq section 6 question answer with explanation pdf

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