universe & solar system section 13 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 31 [SSC CGL 2016]

When does the sun shine vertically on the Equator?

a) Twice a year

b) Once a year

c) For six months

d) Throughout the year

Answer: (a)

When the Sun is vertically above the equator, the day is of equal length all over Earth. This happens twice a year, and these are the “equinoxes” in March and in September. Between the two tropic zones, which include the equator, the Sun is directly overhead twice per year.

Outside the tropic zones, whether to the south or north, the Sun is never directly overhead.

Question : 32

Two planets which have no satellites

a) Mercury and Mars

b) Venus and Mars

c) Mercury and Venus

d) Earth and Uranus

Answer: (c)

Question : 33 [NDA 2013-II]

The Circle of illumination divides Earth into two hemispheres known as

a) Day and night

b) Summer and Winter

c) North and South

d) East and West

Answer: (a)

The edge of the sunlit hemisphere forms a circular boundary separating the earth into a light half and a dark half.

Question : 34 [PSC (Pre) 2019]

Which is the smallest planet of the Solar System?

a) Venus

b) Mercury

c) Mars

d) Earth

Answer: (b)

Question : 35

Which of the following planets has largest number of satellites or moons?

a) Earth

b) Saturn

c) Neptune

d) Jupiter

Answer: (d)

Jupiter has largest number of satellites or moons. The planet Jupiter has 67 confirmed moons. This gives it the largest retinue of moons with “reasonably secure” orbits of any planet in the Solar System.

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968 Universe, solar system and Astronomy based indian geography mcq section 13 question answer with explanation pdf

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