Solar System - GK Multiple Choice Questions and Answers

16 Which of the following is the best proof to say that comets are members of our solar system ?
A their composition
B their effect on the lives of man
C the shape of their orbits
D the shape and length of their tails

Answer: Option [A]
17 Foucault experiment is proof of which one of the following ?
A Revolution of sun
B Revolution of moon
C Rotation of Earth
D Revolution of Earth

Answer: Option [C]
18 While Venus is seen only for one to two hours either after sunset or before sunrise. Jupiter is seen for the whole night whenever it is visible in the sky.

The reason for this is that :

A Venus is much smaller than Jupiter
B Venus is far from the Earth than Jupiter
C Venus reflects lesser light of sun than Jupiter
D he orbit of Venus is inside the earth's orbit whereas the orbit of Jupiter lies outside the orbit of the earth

Answer: Option [D]
19 Which of the following statements is/are correct with respect to Milky Way ?
I. It is a spiral galaxy
II. The solar system resides in one of its spiral arms.

Select the correct answer from the following

A I only
B II only
C Both I and II
D Neither 1 nor II

Answer: Option [C]
20 What is the difference between asteroids and comets ?
I. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
II. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
III. Comets show a perceptible glowing tail, while asteroids do not.

Which of the following statements given above is/are correct?

A I and II only
B I and III only
C III only
D I, II and III

Answer: Option [B]


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