More Questions on Atmosphere
- Q. Precipitation takes place when ________
A)Temperature of moisture in air sharply decreases
B)The sky is overcast with clouds
C)Temperature of moisture in air suddenly increases
D)Winds begin to blow in a circular motion
Answer: The sky is overcast with clouds
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
A)Horse-latitudes
B)Depression
C)Doldrums
D)Inter-tropical convergence
Answer: Depression
- Q. Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) given above is/are correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 1 only
- Q. The study of the processes of atmosphere is called as
A)Seismology
B)Astrology
C)Meteorology
D)Astronomy
Answer: Meteorology
- Q. Temperature generally decreases towards the poles because ________
A)Cold surfaces do not absorb solar energy as readily as warm surfaces
B)Air movement is generally towards the. equator
C)Cold polar air masses prevent surface heating of the land
D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
- Q. Smog is likely to occur ________
A)On calm, clear and cool nights
B)Around valleys
C)Near lakes
D)Near the industrial areas
Answer: Near the industrial areas
- Q. Which of the following is a cold wind?
A)Chinook
B)Buran
C)Foehn
D)Sirocco
Answer: Buran
- Q. Which of the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level?
A)Cirrostratus, Stratus, Cumulo-nimbus
B)Stratus, Nimbus, Cirrostratus, Cirrus
C)Nimbus, Cirrostratus, Cirrocumulus, Stratus
D)Stratus, Cirrostratus, Cumulo-numbus, Cirrocumulus
Answer: Stratus, Nimbus, Cirrostratus, Cirrus
- Q. Which one among the following statements relating to a cyclone is not correct?
A)Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
B)It is a wind circulation system with a low pressure at the centre
C)It brings about sudden change In weather condition in an area
D)It is known as hurricane in West Indies
Answer: Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
- Q. The innermost layer is the core with a radius of about ________ km.
A)9500
B)500
C)6500
D)3500
Answer: 3500
- Q. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
A)Cirrostratus
B)Altocumulus
C)Cirrus
D)Nimbostratus
Answer: Nimbostratus
- Q. The velocity of winds is related to ________
A)Pressure gradient in the direction of their flow
B)The amount of moisture they carry
C)The nearness to the sea
D)The direction in which they blow
Answer: Pressure gradient in the direction of their flow
- Q. A level of atmosphere which is composed partly of Electrons and Positive Ions is called
A)Stratosphere
B)Troposphere
C)Ionosphere
D)Mesosphere
Answer: Ionosphere
- Q. Warm dry winds blowing down the east slopes of Rockies are known as ________
A)Foehn
B)Mistral
C)Nor' westers
D)Chinook
Answer: Chinook
- Q. Which is the warmest layer of the atmosphere?
A)Stratosphere
B)Thermosphere
C)Troposphere
D)Mesosphere
Answer: Thermosphere
- Q. Which of the following depletion results in the increase in the UV radiation on the Earth?
A)Ozone
B)Carbon monoxide
C)Carbon dioxide
D)Oxygen
Answer: Ozone
- Q. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth’s surface is called ________
A)Sleet
B)Fog
C)Hail
D)Snowfall
Answer: Sleet
- Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
A)Ozone
B)Nitrogen
C)Oxygen
D)Water Vapour
Answer: Water Vapour
- Q. Dew point is ________
A)A low pressure system in lower atmosphere
B)Amount of actual water vapour present per unit volume of air
C)Incoming solar radiation
D)A temperature at which a given sample of air becomes saturated
Answer: A temperature at which a given sample of air becomes saturated
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