Question : Which of the following helps keep the Earth's atmosphere in place?

Option 1: The gravitational force of the moon

Option 2: Rotation of the Earth on its axis

Option 3: The gravitational force of the Earth

Option 4: The gravitational force of the Sun

Question : The earth rotates on its axis at an inclination of

Option 1: 23 1/2 degree

Option 2: 22 1/2 degree

Option 3: 21 1/2 degree

Option 4: 20 degree

Question : The weight of an object on the moon is equal to ______ of its weight on the earth.

Option 1:  1/10th

Option 2: 1/6th

Option 3: 1/8th

Option 4: 1/4th

Question : The equator represents:

Option 1: line joining the north and south poles.

Option 2: imaginary line passing around the Earth midway between the Northern Hemisphere and Southern Hemisphere.

Option 3: line joining tropic of cancer and tropic of Capricorn.

Option 4: the axis of rotation of the Earth.

Question : The solar eclipse occurs when:

Option 1: the Sun comes between the moon and the Earth

Option 2: the moon moves too far away from the Sun

Option 3: an asteroid comes between the Sun and the moon

Option 4: the moon comes between the Earth and the Sun