universe & solar system section 12 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 46 [UPPCS (Mains) 2012]

The Earth is located between

a) Venus and Jupiter

b) Mercury and Venus

c) Mars and Jupiter

d) Venus and Mars

Answer: (d)

Question : 47

Which one of the following planets is the brightest?

a) Venus

b) Jupiter

c) Mercury

d) Mars

Answer: (a)

Venus is the brightest planet. It is third brightest object in sky after the sun and moon.

Question : 48 [IAS (Pre) 1997]

The group of small pieces of rock revolving round the Sun between the orbits of Mars and Jupiter are called

a) Meteroid

b) Asteroids

c) Comets

d) Meteors

Answer: (b)

Question : 49

What is the primary cause of the day and night ?

a) Inclination of the earth’s axis and its rotation

b) Inclination of the earth’s axis and its revolution

c) Earth’s rotation on its axis

d) Earth’s annual motion

Answer: (c)

Question : 50

Variations in the length of daytime and nighttime from season to season are due to

a) latitudinal position of the place

b) revolution of the earth on a tilted axis.

c) the earth’s revolution round the sun in an elliptical manner

d) the earth’s rotation on its axis

Answer: (c)

Rotation of earth on its axis causes day and night but the revolution of earth in an elliptical manner around the sun causes seasons, equinoxes and solstices.

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