Water in the Atmosphere MCQs with answers
Dear candidates you will find MCQ questions of 11th Class - Geography | Chapter: Water in the Atmosphere here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. At what temperature the given sample of air becomes saturated?
✅ Correct Answer: (C)
dew point
Q. If water vapour directly condenses into solid form, it is known as
✅ Correct Answer: (C)
sublimation
Q. What is the energy required to change water’s state or phase, without changing its temperature called?
✅ Correct Answer: (B)
Latent heat of the water
Q. When air containing water reaches its saturation point, then
✅ Correct Answer: (C)
Water vapour forms droplets.
Q. The percentage of moisture present in the atmosphere as compared to its full capacity at a given temperature is known as the
✅ Correct Answer: (A)
Relative humidity
Q. The air can only contain a certain amount of water vapour before it is saturated. This amount is dependent on
✅ Correct Answer: (A)
the temperature of the air
Q. When the water containing air becomes saturated, then
✅ Correct Answer: (D)
clouds will be formed
Q. Transformation of water vapours into water is called
✅ Correct Answer: (C)
condensation
Q. The actual amount of water vapour present in the atmosphere is known as
✅ Correct Answer: (B)
absolute humidity
Q. The percentage of moisture present in the atmosphere as compared to its full capacity is known as
✅ Correct Answer: (C)
relative humidity
Q. Name the process by which liquid vapour changes into solid form
✅ Correct Answer: (B)
condensation
Q. Atmospheric pressure exerted on earth is due to
✅ Correct Answer: (A)
Gravitational pull of the earth
Q. The Ozone hole is detected in the atmosphere, where is it located?
✅ Correct Answer: (B)
Above Antarctica
Q. _________is a mass of minute water droplets or tiny crystals of ice formed by the condensation of the water vapour in free air at considerable elevations.
✅ Correct Answer: (C)
Cloud
Q. The actual amount of the water vapour present in the atmosphere is known as _________
✅ Correct Answer: (B)
Absolute humidity
Q. Falling of frozen rain drops on the surface of the earth is known as
✅ Correct Answer: (B)
sleet
Q. What is the temperature at which saturation occurs in a given sample of air known?
✅ Correct Answer: (B)
Dew point
Q. When moist air comes into contact with cold air, it gets condensed around the floating dust particles. This is called
✅ Correct Answer: (A)
fog
Q. Which type of clouds are formed at high altitude (8000-12000 m)?
✅ Correct Answer: (A)
cirrus
Q. Which type of clouds are formed at a height of (4000-7000 m)?
✅ Correct Answer: (C)
cumulus
Q. The weight of water vapour per unit weight of air is
✅ Correct Answer: (A)
Specific Humidity
Q. In the northern hemisphere, the wind blowing from the Horse latitudes to the Doldrums is called
✅ Correct Answer: (B)
Trade wind
Q. Which of the following affects atmospheric pressure?
✅ Correct Answer: (D)
All of the above
Q. The ratio of air's actual water vapour content to its water vapour capacity at a given temperature is called
✅ Correct Answer: (C)
Relative Humidity
Q. The hot and dry winds that help in the ripening of grapes in the Alps region is
✅ Correct Answer: (B)
Foehn
Q. What is the percentage of Nitrogen in atmosphere of the Earth?
✅ Correct Answer: (C)
78.03
Q. The temperature at which the water starts evaporating is referred to as
✅ Correct Answer: (A)
The latent heat of vapourisation
Q. In atmosphere density of water vapour varies. To what per cent does it vary?
✅ Correct Answer: (B)
0 – 4%
Q. When the saturated air mass comes across a mountain, it is forced to ascend and as it rises, it expands; the temperature falls, and the moisture is condensed. It is also known as what?
✅ Correct Answer: (D)
Relief rain
Q. What do we call to a situation where fog with smoke is found?
✅ Correct Answer: (B)
Smog
Q. The temperature at which saturation occurs in a given sample of air is known as what?
✅ Correct Answer: (B)
Dew Point
Q. Which one of the following is the highest cloud in the sky?
✅ Correct Answer: (A)
Cirrus
Q. The air that contains moisture to its full capacity
✅ Correct Answer: (D)
Saturated air
Q. Which one of the following process is responsible for transforming liquid into vapour?
✅ Correct Answer: (C)
Evaporation
Q. Which one of the following is the most important constituent of the atmosphere for human beings?
✅ Correct Answer: (D)
Water vapour
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