universe & solar system section 3 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6 [ UPPCS (Pre) 2000]

Which one of the following may have alien life because of a very conductive environment to life?

a) Europa-The Jupiter’s Moon

b) Moon-The Earth’s Moon

c) Mars

d) Jupiter

Question : 7 [UPPCS (Pre) 1999]

In the form of organism, the Scientific name of Earth is

a) Green Planet

b) Harmij

c) Sita

d) Cow

Question : 8 [PCS (Pre) 2011]

One Astronomical unit is average distance

a) Between Jupiter and Sun

b) Between Neptune and Sun

c) Between Earth and Moon

d) Between Earth and Sun

Question : 9 [NDA 2014-I]

Which of the following statements regarding the duration of day and night is correct?

a) Difference is least at the Tropics and progressively increases towards the Equator and Poles

b) Difference is maximum at the Tropics and progressively decreases towards the Equator and Poles

c) Difference is maximum at the Equator and progressively decreases away from it

d) Difference is least near the Equator and progressively increases away from it

Question : 10

Which of the following correctly explains Kepler’s first law of Planetary Motion?

a) The square of the time period of a planet is proportional to the cube of the semimajor axis of the ellipse

b) None of the above

c) The radius vector from the sun to the planet sweeps equal area in equal time

d) All the planets move in elliptical orbits with the sun at a focus