More Questions on Atmosphere
- Q. Troposphere is the hottest part of the atmosphere because
A)It is heated by the Earth's surface
B)It is closest to the Sun
C)There are charged particles in it
D)Heat is generated in it
Answer: It is heated by the Earth's surface
- 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 colour types do not indicate fair or fine weather?
A)Altocumulus
B)Cirrus
C)Cumulus
D)Cumulonimbus
Answer: Cumulonimbus
- Q. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- Q. What is the percentage of Nitrogen in atmosphere of the Earth?
A)78.03
B)0.94
C)0.03
D)85.02
Answer: 78.03
- 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. An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
A)Jet stream
B)A cyclone
C)An anticyclone
D)A tsunami
Answer: Jet stream
- Q. What helps to maintain the heat budget on the surface of the earth?
A)Incoming solar radiation is reflected
B)Incoming insolation in short waves and terrestrial radiation in long waves
C)The atmosphere absorbs heat
D)The earth absorbs heat
Answer: Incoming insolation in short waves and terrestrial radiation in long waves
- Q. Which of the following is produced by the rapid ascent of moist air?
A)Hail
B)Frost
C)Fog
D)Snow
Answer: Hail
- Q. Evening sun is not a shot as the mid-day sun. What is the reason?
A)Ozone in atmosphere absorbs more light in the evening
B)In the evening, radiations travel slowly
C)In the evening, the temperature of the sun decreases
D)In the evening, radiations travel larger distance through atmosphere
Answer: In the evening, radiations travel larger distance through atmosphere
- Q. Which gas is found in maximum quantity in lower atmosphere?
A)Oxygen
B)Hydrogen
C)Carbon dioxide
D)Nitrogen
Answer: Nitrogen
- 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. The final boundary between the Earth and the outer space is called
A)Mesopause
B)Magnetosphere
C)Ionosphere
D)Magnetopause
Answer: Magnetopause
- Q. What is the name of the layer closest to the Earth?
A)Troposphere
B)Ionosphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
- Q. Local thunderstorms ‘Nor westers’ are prominent in ________
A)Andhra Pradesh
B)Punjab
C)West Bengal
D)Tamil Nadu
Answer: West Bengal
- Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
A)Decreases the relative humidity
B)Raises the absolute humidity
C)Produces no change in relative humidity
D)Increases the relative humidity
Answer: Decreases the relative humidity
- Q. When can one record the lowest temperature of air?
A)At 3 a.m.
B)Just before sunrise
C)At midnight
D)No fixed time
Answer: Just before sunrise
- Q. The tropical cyclones – Hurricanes and Typhoons – develop and mature ________
A)Over the water bodies only
B)At the same place
C)Over the land masses only
D)Anywhere in the tropical zone
Answer: Anywhere in the tropical zone
- Q. Westerlies in southern hemisphere are stronger and persistent than in northern hemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is fare correct?
A)Both 1 and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 1 only
- Q. What do you understand by the term ‘Advection’ ?
A)Heat is transferred vertically through the air
B)Heat is transferred horizontally by winds
C)Heat is transferred horizontally by both winds and ocean currents
D)Heat is transferred horizontally through ocean currents
Answer: Heat is transferred horizontally by both winds and ocean currents
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