More Questions on Atmosphere
- Q. Why the Earth is having its own atmosphere?
A)Gravity
B)Winds
C)Clouds
D)Rotation of the Earth
Answer: Gravity
- Q. Dew point is ________
A)A low pressure system in lower atmosphere
B)Amount of actual water vapour present per unit volume of air
C)Incoming solar radiation
D)A temperature at which a given sample of air becomes saturated
Answer: A temperature at which a given sample of air becomes saturated
- Q. The atmospheric layer farthest from the Earth’s surface is known as
A)Ionosphere
B)Stratosphere
C)Exosphere
D)Mesosphere
Answer: Exosphere
- Q. The most abundant element in the Earth’s atmosphere is
A)Oxygen
B)Argon
C)Nitrogen
D)Krypton
Answer: Nitrogen
- 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. 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. 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. Consider the following statements: 1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?
A)Both 1and 2
B)1 only
C)2 only
D)Neither 1 nor 2
Answer: 2 only
- 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. 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. 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. 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. Which of these statements are correct regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth’s surface at sea level is called one atm sphere.
A)2, 3 and 4
B)1 and 4
C)2 and 4
D)1, 2 and 4
Answer: 1, 2 and 4
- Q. The Sea breeze blows during ________
A)Night from land to sea
B)Day from land to sea
C)Day from sea to land
D)Night from sea to land
Answer: Day from sea to land
- 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. 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. 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. 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. Agents of fog formation do not include ________
A)Winter season
B)High relative humidity
C)Diurnal temperatures of short ranges
D)Rapid radiation
Answer: Diurnal temperatures of short ranges
- Q. Which one of the following is a type of planetary wind?
A)Westerlies
B)Monsoons
C)Loo
D)Tornadoes
Answer: Westerlies
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