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Geography - Questions and AnswersPage 7

61.

The mass of water vapour per unit volume of air is known as
(a)relative humidity
(b)specific humidity
(c)absolute humidity
(d)variable humidity
Comment
Answer is: CNA

62.

Which one of the following zones of the atmosphere is rich in ozone gas?
(a)Mesosphere
(b)Troposphere
(c)Stratosphere
(d)Ionosphere
Comment
Answer is: CNA

63.

The 'Blue Moon' phenomenon occurs
(a)when two full Moons occur in the same month
(b)when four full Moons appear in two consecutive Months of the same calendar year
(c)when two full Moons appear in the same month thrice in a calendar year
(d)None of the above
Comment
Answer is: ANA

64.

The inexhaustible source of energy of the stars is due to
(a)conversion of hydrogen to helium
(b)conversion of helium to hydrogen
(c)decay of redioactive elements
(d)excess of oxygen that helps burning and release of energy
Comment
Answer is: ANA

65.

Which one of the following represents the inner planets?
(a)Planets between the Sun and the Earth
(b)Planets between the Sun and the belt of asteroids
(c)Planets in gaseous state
(d)Planets without satellite(s)
Comment
Answer is: BNA

66.

A very small, hot star, the last stage in the life cycle of a star like the Sun is
(a)Red Giant
(b)White Dwari
(c)Supernova
(d)Black Hole
Comment
Answer is: BNA

67.

Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?
(a)Neutron Star
(b)White Dwari
(c)Black Hole
(d)Supernova Star
Comment
Answer is: CNA

68.

A storm of hot atoms which dissipates from the photosphere of the Sun, overcomes its gravity and goes into the outer space, is known as
(a)Solar flares
(b)Sun spots
(c)Solar fire
(d)None of these
Comment
Answer is: ANA

69.

The only planet whose period of rotation is longer than the period of revolution around the Sun is
(a)Mercury
(b)Venus
(c)Mars
(d)Neptune
Comment
Answer is: BNA

70.

Which of the following planets is called as the Red Planet due to its red appearance?
(a)Venus
(b)Earth
(c)Mars
(d)Pluto
Comment
Answer is: CNA

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