More Questions on Atmosphere
- 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. 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. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?
A)Lets outgoing infrared radiation pass through but stops incoming sunlight
B)Transparent to both incoming sunlight and outgoing infrared radiation
C)Stops both incoming sunlight and outgoing infrared radiation
D)Lets incoming sunlight pass through but stops outgoing infrared radiation
Answer: Lets incoming sunlight pass through but stops outgoing infrared radiation
- Q. The instrument used for finding out wind-direction is ________
A)Wind gauze
B)Anemometer
C)Wind vane
D)Hygrometer
Answer: Wind vane
- Q. The plane of contact of the troposphere and stratosphere is known as ________
A)Stratopause
B)Mesosphere
C)Ionosphere
D)Tropopause
Answer: Tropopause
- Q. Very strong and cold icy winds that blow in the Polar regions are called ________
A)Blizzards
B)Typhoons
C)Tornadoes
D)Polar winds
Answer: Blizzards
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- Q. Consider the following statements regarding general characteristics associated with tropical cyclones 1. Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas. 2. They are confined to a particular period of the year (mainly summer) and normally move from east to west. 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: 2 only
- Q. Anticyclones are caused by ________
A)Winds that blow spirally outwards from the centre
B)Violent winds
C)Heavy rainfall
D)Winds that blow spirally inwards
Answer: Winds that blow spirally outwards from the centre
- Q. Cloud burst means ________
A)Presence of scattered flakes of cloud in the sky
B)Abnormally heavy downpour of rain, associated with a thunderstorm
C)Formation of artificial rain
D)Sowing of seeds of a crop in a cloudy weather
Answer: Abnormally heavy downpour of rain, associated with a thunderstorm
- Q. Which of the following sequences of atmospheric layers is correct from below?
A)Troposphere, Tropopause, Stratosphere, Ionosphere
B)Stratosphere, Ionosphere, Tropopause, Troposphere
C)Ionosphere, Troposphere, Stratosphere, Tropopause
D)Tropopause, Troposphere, Ionosphere, Stratosphere
Answer: Troposphere, Tropopause, Stratosphere, Ionosphere
- Q. The portion of the atmosphere which extends from the earth’s surface upto 6-8 miles and experiences decrease in temperature at constant rate is ________
A)Troposphere
B)Stratosphere
C)Tropopause
D)Ionosphere
Answer: Troposphere
- Q. The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called ________
A)Cirrus clouds
B)Stratus clouds
C)Cumulus clouds
D)Nimbus clouds
Answer: Stratus clouds
- Q. Which one among the following forces is most powerful in determining movement of wind including its velocity ?
A)Frictional force
B)Gravitational force
C)Centrifugal force
D)Pressure gradient force
Answer: Pressure gradient force
- 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. Which one among the following statements relating to an anticyclone is correct?
A)The contribution of an anticyclone towards determining weather of an area is quite significant
B)Anticyclone is a wind system with a high pressure centre
C)In anticyclone the movement of wind is inward
D)The movement of wind is clockwise in an anticyclone of southern hemisphere
Answer: Anticyclone is a wind system with a high pressure centre
- Q. Which gas is found in maximum quantity in lower atmosphere?
A)Oxygen
B)Hydrogen
C)Carbon dioxide
D)Nitrogen
Answer: Nitrogen
- Q. Transfer of surplus heat from the lower latitudes to higher latitudes is done by : I. ocean currents II. planetary winds III. tides IV. waves
A)I and IV
B)I and II
C)III and IV
D)II and III
Answer: I and II
- Q. Lapse rate is related to the decrease of ________
A)Temperature at 1°F for an ascent of 330 feet
B)Wind velocity with an ascent of 300 feet
C)Humidity with an ascent of 450 feet
D)Pressure with an ascent of 500 feet
Answer: Temperature at 1°F for an ascent of 330 feet
- Q. The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
A)12° C
B)21° C
C)18° C
D)15° C
Answer: 15° C
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