More Questions on Atmosphere
- Q. Atmospheric pressure exerted on earth is due to ________
A)Revolution of earth
B)Gravitational pull of the earth
C)Rotation of earth
D)Uneven heating of earth
Answer: Gravitational pull of the earth
- Q. Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. Select the correct answer using the code given below ________
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: Both 1 and 2
- Q. Which of the following colour types do not indicate fair or fine weather?
A)Altocumulus
B)Cirrus
C)Cumulus
D)Cumulonimbus
Answer: Cumulonimbus
- 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. 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. Fogs formed along, the sea-coast are due to ________
A)Convection
B)Advection
C)Radiaton
D)Conduction
Answer: Advection
- 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. Which of the following is the annual precipitation of an area?
A)The total amount of rain per year, irrespective of snow, hail and sleet
B)All forms of precipitation converted to the quantity of liquid water
C)The total actual amount of rain, snow, hail and sleet
D)All forms of precipitation measured after conversion to equal quantity of ice
Answer: All forms of precipitation converted to the quantity of liquid water
- Q. In which layer, temperature increases dramatically?
A)Stratosphere
B)Ionosphere
C)Exosphere
D)Troposphere
Answer: Ionosphere
- Q. What is true with regard to Jet Streams? 1. High velocity winds 2. Blow from west to east 3. Blow in upper troposphere near the tropopause 4. Blow in the mesosphere
A)1, 2 and 3
B)2 and 3
C)2 and 4
D)1, 2 and 4
Answer: 1, 2 and 3
- Q. Which one of the following is not a correct example of tropical cyclone?
A)Hurricanes
B)Tornadoes
C)Typhoons
D)Nor westers
Answer: Nor westers
- 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. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
A)I and II
B)I, III and IV
C)II, III and IV
D)II and IV
Answer: I, III and IV
- Q. The plane of contact of the troposphere and stratosphere is known as ________
A)Stratopause
B)Mesosphere
C)Ionosphere
D)Tropopause
Answer: Tropopause
- 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. 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. Wind in the Southern hemisphere is deflected towards left due to ________
A)Difference in pressure
B)Temperature variations
C)Rotation of the earth
D)Difference in water content
Answer: Rotation of the earth
- Q. Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude?
A)90° North and South
B)22° W North and South
C)40° North and South
D)66° W North and South
Answer: 40° North and South
- Q. Why the Earth is having its own atmosphere?
A)Gravity
B)Winds
C)Clouds
D)Rotation of the Earth
Answer: Gravity
- 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
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