universe & solar system section 12 MCQ Questions & Answers Detailed Explanation

Question : 1

When we consider 15° meridian on a world map or globe and count them in an Eastward direction starting with Greenwich meridian (0°), we find that the time of this meridian is

a) 1 hour slow

b) 12 hours fast

c) 1 hour fast

d) same as Greenwich

Question : 2

When the length of day and night is equal the Sunrays falls perpendicular at

a) South pole

b) Tropic of cancer

c) Equator

d) North pole

Question : 3

What causes the change of seasons?

a) Earth’s revolution and inclination of its axis

b) Earth’s rotation and inclination of its axis

c) Earth’s revolution

d) Earth’s rotation and revolution

Question : 4

The Space craft ‘Magellan’ was sent to

a) Mars

b) Venus

c) Saturn

d) Pluto

Question : 5

Which of the following statements in regard to the galaxy is correct?

a) A galaxy is a huge system of billions of stars and clouds of dust and gases

b) A galaxy does not have a sun

c) Galaxy is found between the orbits of Mars and Jupiter

d) Numerous tiny bodies that move around the sun are called galaxies

Question : 6

The planet revolving east to west is

a) Neptune

b) Pluto

c) Uranus

d) Venus