More Questions on Atmosphere
- Q. A temperature inversion is most likely to occur under which of the following conditions?
A)Calm, cloudy and humid night
B)Mountain top in late evening
C)Windy but cloudy night
D)Calm, clear and cool winter night
Answer: Calm, clear and cool winter night
- Q. A sudden fall in the barometric reading indicates ________
A)Fine weather
B)Rain
C)Storm
D)Extreme cold
Answer: Storm
- 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. 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. 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. The total number of layers above Earth are
A)2
B)4
C)5
D)3
Answer: 5
- 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. 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. 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. What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?
A)Troposphere
B)Mesosphere
C)Atmosphere
D)Stratosphere
Answer: Troposphere
- 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. 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 hot and dry winds that help in the ripening of grapes in the Alps region is ________
A)Mistral
B)Chi nook
C)Foehn
D)Roaring Forties
Answer: Foehn
- Q. Excess carbon dioxide in the atmosphere due to pollution will cause
A)No change in earth's temperature
B)Earth's temperature to rise
C)Earth's temperature to fall
D)Increase in ultra-violet radiation reaching the earth
Answer: Earth's temperature to rise
- Q. Temperate lows are ________
A)Polar regions which have very low temperatures
B)Low pressure areas in cyclones
C)Equatorial low pressure belt
D)Sub-polar low pressure belts
Answer: Sub-polar low pressure belts
- 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. Compared to other slopes in the northern hemisphere which is the warmest?
A)North facing
B)East facing
C)South facing
D)West facing
Answer: South facing
- Q. The atmospheric layer farthest from the Earth’s surface is known as
A)Ionosphere
B)Stratosphere
C)Exosphere
D)Mesosphere
Answer: Exosphere
- 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. What is the name of the layer closest to the Earth?
A)Troposphere
B)Ionosphere
C)Stratosphere
D)Exosphere
Answer: Troposphere
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