universe & solar system section 6 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following statements in the context of northern hemisphere is/are correct?

1. Vernal equinox occurs on March 21.
2. Summer solstice occurs on December 22.
3. Autumnal equinox occurs on September 23.
4. Winter solstice occurs on June 21.

a) 2 and 4 only

b) 1, 2 and 3only

c) 1 and 3 only

d) 1 only

Question : 2

Which of the following planets is known as “Red Planet”?

a) Jupiter

b) Saturn

c) Mars

d) Earth

Question : 3

The Earth is divided into time zones for the purpose of

a) both are correct

b) both are incorrect

c) maintaining same time

d) maintaining a standard time system

Question : 4

According to a new definition adopted by ‘International Astronomical Union’ in 2006, which of the following is not a ‘planet’?

a) Pluto

b) Jupiter

c) Neptune

d) Uranus

Question : 5

a) A - 3; B - 2; C - 4 ; D - 1

b) A - 5; B - 1; C - 3 ; D - 2

c) A - 5; B - 2; C - 3 ; D - 1

d) A - 3; B - 1; C - 4; D - 2

Question : 6

Which one of the following conditions is most relevant for the presence of life on Mars?

a) Occurrence of ice caps and frozen water

b) Occurrence of ozone

c) Thermal conditions

d) Atmospheric composition