More Questions on Atmosphere
- 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
- 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. 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. 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. Land masses are heated and cooled much faster than water bodies. Identify the true statements in this regard: I. Land gets heated by conduction II. Water has higher specific heat III. Only the surface layers of water are heated IV. Water gets heated by convection
A)I and IV
B)I, II and III
C)II and III
D)I, II and IV
Answer: I, II and IV
- Q. The phenomenon of ‘trade winds’ takes place due to
A)Radiation
B)Conduction of heat
C)Convection of heat
D)None of the above
Answer: Convection of heat
- 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 cold and dense air blowing down the mountain slope during the night is known as ________
A)Katabatic wind
B)Anabatic wind
C)Khamsin
D)Harmattan
Answer: Katabatic wind
- Q. Arrange the following gases of the atmosphere in increasing order by volume: I. Nitrogen II. Oxygen III. Carbon dioxide IV. Argon
A)III, IV, II, I
B)I, II, III, IV
C)I, II, IV, III
D)IV, III, II, I
Answer: III, IV, II, I
- 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. Water vapour beyond the dew point results in ________
A)Condensation
B)Precipitation
C)Hailstorm
D)Formation of ice
Answer: Condensation
- Q. The core of the Earth is also known as
A)Barysphere
B)Lithosphere
C)Mesosphere
D)Centrosphere
Answer: Barysphere
- Q. Doldrums are ________
A)High pressure areas on mountains
B)High latitudes with heavy snow
C)Equatorial zone with low pressure
D)Sub-polar zone with high pressure
Answer: Equatorial zone with low pressure
- Q. The instrument used for finding out wind-direction is ________
A)Wind gauze
B)Anemometer
C)Wind vane
D)Hygrometer
Answer: Wind vane
- Q. Which of the following constituents of the atmosphere are important from the climatic point of view ? 1. Nitrogen 2. Oxygen 3. Carbon dioxide
A)1, 2 and 3
B)1 and 2
C)2 and 3
D)Only 3
Answer: Only 3
- Q. The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? I. Vegetation II. Water III. Carbon dioxide IV. Oxygen V. Nitrogen
A)II and III
B)I and II
C)III and IV
D)II and V
Answer: II and III
- 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. The radiation that heats earth’s atmosphere comes from the
A)Ionosphere
B)Sun
C)Earth
D)Sun and earth
Answer: Sun
- Q. Consider the following statements: 1. The monsoon climate is found in Northern Australia. 2. The China type climate is found in Argentina. Which of the statements given above is/are correct?
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 depletion results in the increase in the UV radiation on the Earth?
A)Ozone
B)Carbon monoxide
C)Carbon dioxide
D)Oxygen
Answer: Ozone
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