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31.

The time required by moonlight to reach the earth is:

A.	One second	B.	1.3 second
C.	2 seconds	D.	3 seconds

32.

The brightest star in the sky is:

A.	Hayes	B.	Praesepe
C.	Sirius	D.	Sun

33.

Lunar Sea refers to:

A.	A small sea on the moon	B.	A sea on erth which experiences high tides due to gravitational attraction of the moon
C.	A dark plain on the moon	D.	A large water body illuminated by moonlight

34.

Lunar eelipse is caused when the:

A.	Moon comes between the sun and the earth	B.	Earth comes between the sun and the moon
C.	Sun comes between the earth and the moon	D.	None of these

35.

The 'Solar Corona' mainly consists of:

A.	Cosmic rays	B.	Molten rays
C.	Molten lava	D.	Gases

36.

Which two planets of the solar system have no satellites?

A.	Mercury and Venus	B.	Venus and Mars
C.	Mercury and Pluto	D.	Venus and Neptune

37.

Which of the following gases is most predominant in the sun?

A.	Helium	B.	Hydrogen
C.	Nitorgen	D.	Ozone

38.

The smallest planet is:

A.	Venus	B.	Mercury
C.	Pluto	D.	Uranus

39.

If there is no sun, the colour of the sky would be:

A.	Orange	B.	Blue
C.	Yellow	D.	None of these

40.

Which of the following planets is at the farthest distance from the earth?

A.	Neptune	B.	Mercury
C.	Pluto	D.	Mars