Question : The moon completes ______ rotation on its axis as it completes one revolution around the Earth.

Option 1: 3

Option 2: 2

Option 3: 1

Option 4: 4

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

Question : Which among the following is responsible for the rotation of the plane of oscillation of Foucault's pendulum?

Option 1: Centripetal force

Option 2: Viscous drag of air

Option 3: Centrifugal force

Option 4: Coriolis force

Question : Which of the following is not a primary force which influences ocean currents?

Option 1: Gravity

Option 2: Heating by the sun

Option 3: Magnetic fields of the earth

Option 4: Coriolis force

Question : All changes in the weather of the earth are caused by the ______.

Option 1: altitude

Option 2: tides

Option 3: sun

Option 4: moon