universe & solar system section 2 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 46 [UPPCS (Pre) 2001]

The duration of its day and tilt of its axis are almost identical to those of the Earth. This is true of

a) Saturn

b) Mars

c) Neptune

d) Uranus

Question : 47 [IAS (Pre) 2017]

The terms ‘Event Horizon’, ‘Singularity’, ‘String Theory’ and ‘Standard Model’ are sometimes seen in the news in the context of

a) Placing satellites in the orbit of the Earth

b) Origin and evolution of living organisms on the Earth

c) Study of the solar and the lunar eclipses

d) Observation and understanding of the Universe

Question : 48

Which statement describes the atmosphere of the planet correctly?

1. Venus is mostly carbon dioxide
2. Mercury is mostly nitrogen.
3. Earth is mostly oxygen.
4. Saturn is mostly helium.

a) 1 and 3

b) None

c) 2 and 3

d) 1 only

Question : 49

Which of the following statements is/are correct?

1. Lunar eclipse takes place when the Earth comes directly between the Sun and the Moon
2. Solar eclipse happens when the Moon comes directly between the Sun and the Earth
3. Lunar eclipse takes place when the Sun comes directly between the Earth and the Moon
4. Solar eclipse happens when the Earth comes directly between the Sun and the Moon

a) 1 and 2

b) 2 only

c) 3 and 4

d) 1, 2 and 3

Question : 50

Match column I with column II and select the correct answer using the code given below the columns:

a) A-(iv); B-(i); C-(ii); D-(iii)

b) A-(iv); B-(iii); C-(ii); D-(i)

c) A-(iii); B-(v); C-(i); D-(ii)

d) A-(ii); B-(iii); C-(v); D-(i)