More Questions on Atmosphere
- Q. The layer of atmosphere which reflects radio waves is
A)Stratosphere
B)Ionosphere
C)Troposphere
D)Exosphere
Answer: Ionosphere
- 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. The most abundant element in the Earth’s atmosphere is
A)Oxygen
B)Argon
C)Nitrogen
D)Krypton
Answer: Nitrogen
- 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. Increase in carbon dioxide in atmosphere causes ________
A)Uniform earth temperature
B)Rise in earth temperature
C)Fall in earth temperature
D)Increase in Ultraviolet rays
Answer: Rise in earth temperature
- 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. Which of the following statements is not true of Trade Winds?
A)They are constant in strength and direction
B)They blow from the Horse Latitudes to the Doldrums
C)They are deflected to the right to become South-East Trades in the southern hemisphere
D)They sometimes contain intense depressions
Answer: They are deflected to the right to become South-East Trades in the southern hemisphere
- 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. What is the correct sequence of the given clouds from low to high altitudes?
A)Cumulonimbus, Stratus, Cirrus, Cirrostratus
B)Stratus, Cumulonimbus, Cirrostratus, Cirrus
C)Stratus, Cirrostratus, Cumulonimbus, Cirrus
D)Cumulonimbus, Stratus, Cirrostratus, Cirrus
Answer: Cumulonimbus, Stratus, Cirrostratus, Cirrus
- Q. The cauliflower shape is associated with which of the following cloud formations?
A)Nimbus
B)Stratus
C)Cumulus
D)Cirrus
Answer: Cumulus
- 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. Venus has atmosphere made up of
A)Helium
B)Ammonia
C)Carbon dioxide
D)Hydrogen
Answer: Carbon dioxide
- Q. Density of the Earth’s atmosphere is highest in the
A)Mesosphere
B)Troposphere
C)Stratosphere
D)Ionosphere
Answer: Troposphere
- Q. Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth’s surface IV. Mesosphere : Aurorae
A)II and III
B)I, II, III and IV
C)I, II and IV
D)I, II and III
Answer: I, II and III
- Q. Winds blow ________
A)From a region of low pressure to a region of high pressure
B)In regions of low pressure
C)From a region of high pressure to a region of low pressure
D)In regions of high pressure
Answer: From a region of high pressure to a region of low pressure
- 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. 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. The water content in the atmosphere ________
A)Decreases as temperature increases
B)Is independent of temperature
C)Increases as temperature increases
D)Either increases or decreases with temperature increase
Answer: Decreases as temperature increases
- Q. Relative humidity of the atmosphere is directly affected by ________
A)Change in the direction of winds
B)Change in atmospheric pressure
C)Change in atmospheric temperature
D)None of these
Answer: Change in atmospheric temperature
- Q. Relative humidity
A)Decreases with decreased temperature
B)Increases with increased temperature
C)Decreases with increased temperature
D)Has no relation with increase or decrease of temperature
Answer: Decreases with increased temperature
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