More Questions on Atmosphere
- Q. Consider the following statements 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate entirely within the tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes
A)2 and 3
B)1, 2 and 4
C)1 only
D)3 and 4
Answer: 1, 2 and 4
- Q. Choose the correct option with the correct sequence of the layers of atmosphere
A)Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere
B)Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere
C)Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
D)Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
- Q. The continuous circulation of water among the hydrosphere, atmosphere and lithosphere is known as
A)Hydro-equilibrium
B)Water circulation
C)Hydrologic cycle
D)Precipitation
Answer: Hydrologic cycle
- Q. What causes snowfall?
A)When condensation takes place in form of fog and precipitation occurs as flakes
B)When condensation takes place below 0° C and precipitation occurs in the form of flakes
C)When rain freezes into snow-flakes while passing through the atmosphere
D)When the air temperature is much lower than surface temperature
Answer: When condensation takes place below 0° C and precipitation occurs in the form of flakes
- Q. The contact of two air masses differing sharply in humidity originates:
A)Temperate cyclones
B)Tropical cyclones
C)Inter-tropical convergence
D)Tropospheric instability
Answer: Temperate cyclones
- Q. Winds and air currents differ in the aspect that ________
A)The winds blow on lands while air currents blow over seas and oceans
B)Air currents blow much faster than winds
C)Air currents are always moisture laden while the winds are usually dry
D)Winds are horizontal movements of air while air currents are the vertical movements of air
Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
- Q. Which of the following is located at the minimum height from the Earth?
A)Thermosphere
B)Stratosphere
C)Mesosphere
D)Troposphere
Answer: Troposphere
- Q. Temperate lows are ________
A)Polar regions which have very low temperatures
B)Low pressure areas in cyclones
C)Equatorial low pressure belt
D)Sub-polar low pressure belts
Answer: Sub-polar low pressure belts
- 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. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
A)Troposphere
B)Mesosphere
C)Thermosphere
D)Stratosphere
Answer: Troposphere
- Q. When the wind is deflected due to the rotation of the Earth, it is called as ________
A)Westerlies
B)Geostropic wind
C)Polar wind
D)Trade winds
Answer: Geostropic wind
- Q. The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ________
A)Khamsin
B)Chinook
C)Foehn
D)Sirocco
Answer: Foehn
- 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. Which of the following statements characterize the anticyclones? 1. Anticyclones are low pressure systems. 2. They are characterized by divergent wind circulation. 3. They are indicative of dry weather conditions. Select the correct answer using the codes given below
A)1, 2 and 3
B)2 and 3
C)1 and 3
D)1 only
Answer: 2 and 3
- Q. What is the correct sequence of the following zonal pressure belts? 1. Subpolar low 2. Equatorial low 3. Polar high 4. Subtropical high
A)2, 4, 1, 3
B)2, 3, 1, 4
C)1, 4, 2, 3
D)1, 3, 2, 4
Answer: 2, 4, 1, 3
- Q. Rain shadow effect is associated with
A)Convectional rainfall
B)Cyclonic rainfall
C)Orographic rainfall
D)Frontal rainfall
Answer: Orographic rainfall
- Q. Choose the incorrect statement ________
A)Absolute humidity is expressed in grams per cubic metre of air
B)Capacity of air to hold moisture decreases with a rise in temperature of the air
C)The air pressure decreases with an increase in temperature
D)With an ascent of every 165 metres, the temperature is reduced by 1°C
Answer: Absolute humidity is expressed in grams per cubic metre of air
- Q. When a descending air contracts and its volume decreases, what happens to its temperature?
A)Its temperature remains constant
B)Its temperature decreases
C)Its temperature increases
D)Its temperature first increases, then decreases
Answer: Its temperature increases
- Q. The chemically inactive gas present in the atmosphere is ________
A)Water vapour
B)Nitrogen
C)Argon
D)Oxygen
Answer: Argon
- Q. In the Southern hemisphere the Westerlies blow from ________
A)North west
B)North
C)North east
D)South east
Answer: North west
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