universe & solar system section 5 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 : The surface temperature of sun is nearly

(a) 6000 K

(b) 8000 K

(c) 4000 K

(d) 2000 K

The correct answers to the above question in:

Answer: (a)

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Question : 1

The planet whose period of rotation is longer than the period of revolution around the sun is

a) Venus

b) Neptune

c) Mars

d) Mercury

Answer: (a)

Venus is a planet whose period of rotation is longer than the period of revolution around the sun. The period of rotation for Venus is 243 days.

In other words, Venus takes 243 days to turn once on its axis so that the stars are in the same position in the sky.

Question : 2

Time taken by the Sun to revolve around the centre of our galaxy is

a) 25 crore years

b) 50 crore years

c) 10 crore years

d) 2.5 crore years

Answer: (a)

Question : 3

Choose the correct statement(s)?

  1. The movement of interior plates of earth causes change in surface of earth.
  2. Sea waves comes under exogenic force.
  3. Sudden movement of interior of earth causes earthquakes.

a) 1 and 3

b) All are true

c) 1 and 2

d) Only 1

Answer: (b)

The interior structure of the Earth is layered in spherical shells, like an onion. These layers can be defined by their chemical and their rheological properties.

Earth has an outer silicate solid crust, a highly viscous mantle, a liquid outer core that is much less viscous than the mantle, and a solid inner core. Sudden movements of the interior of the earth cause earthquakes.

Question : 4

Earth’s axis is tilted at an angle of

a) 33½ º

b) 42½ º

c) 66½ º

d) 23½ º

Answer: (d)

Question : 5

If the distance between Sun and Earth is reduced by quarter to present distance, then probability of which one will increase

a) The duration of our year will be decrease

b) Earth will fly into space

c) Earth shall be burned

d) Earth would fall into Sun

Answer: (a)

Question : 6

Day and Night are equal at the:

a) Poles

b) Eqator

c) Antarctic

d) Prime Meridian

Answer: (b)

The equator receives equal day and night throughout the year because it does not tilt in relation to the sun’s location.

Because of the tilted axis of the Earth, the poles and locations away from the equator lean towards or away from the sun as an orbit is completed, while the equator stays in essentially the same location relative to the sun.

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