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Quiz 6
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Q.1
Which of the following statements is not true?
Presence of water vapour is highly variable in the lower atmosphere.
The zone of maximum temperature is located along the equator.
Frigid zones are located in both the hemispheres between the polar circles and the poles.
Jet streams are high altitude winds affecting the surface weather conditions.
Q.2
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
I, II and III
II and III
I and IV
I, II and IV
Q.3
Cloud burst means ________
Abnormally heavy downpour of rain, associated with a thunderstorm
Formation of artificial rain
Presence of scattered flakes of cloud in the sky
Sowing of seeds of a crop in a cloudy weather
Q.4
Which of the following is located at the minimum height from the Earth?
Stratosphere
Mesosphere
Thermosphere
Troposphere
Q.5
The study of the processes of atmosphere is called as
Astrology
Meteorology
Seismology
Astronomy
Q.6
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
1, 2 and 4
1 only
2 and 3
3 and 4
Q.7
What is the correct sequence of the following zonal pressure belts?
1. Subpolar low
2. Equatorial low
3. Polar high
4. Subtropical high
2, 3, 1, 4
1, 4, 2, 3
2, 4, 1, 3
1, 3, 2, 4
Q.8
Beaufort Scale is used to measure ________
Air pressure
Wind velocity
Wind direction
Humidity
Q.9
Which of the following depletion results in the increase in the UV radiation on the Earth?
Carbon monoxide
Carbon dioxide
Ozone
Oxygen
Q.10
What helps to maintain the heat budget on the surface of the earth?
Incoming insolation in short waves and terrestrial radiation in long waves
The atmosphere absorbs heat
Incoming solar radiation is reflected
The earth absorbs heat
Q.11
Which of the following is not one of the three processes involved in the transfer of water between the atmosphere and the surface of the Earth?
Insolation
Evaporation
Condensation
Precipitation
Q.12
Consider the following statements:
1. Nearly 99% of the total mass of the atmosphere lies within 30 km of the Earth's surface.
2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface.
Which of the statements given above is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Q.13
Which gas is found in maximum quantity in lower atmosphere?
Hydrogen
Carbon dioxide
Oxygen
Nitrogen
Q.14
Relative humidity of the atmosphere is directly affected by ________
Change in atmospheric pressure
Change in atmospheric temperature
Change in the direction of winds
None of these
Q.15
Which of the following statements about Stratosphere is incorrect?
It is the region in the atmosphere above tropopause
It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth
It is not free from the violent weather changes occurring on the earth
It provides ideal flying conditions
Q.16
Winds and air currents differ in the aspect that ________
Air currents blow much faster than winds
Air currents are always moisture laden while the winds are usually dry
The winds blow on lands while air currents blow over seas and oceans
Winds are horizontal movements of air while air currents are the vertical movements of air
Q.17
Lapse rate is related to the decrease of ________
Wind velocity with an ascent of 300 feet
Humidity with an ascent of 450 feet
Temperature at 1°F for an ascent of 330 feet
Pressure with an ascent of 500 feet
Q.18
The most abundant element in the Earth's atmosphere is
Argon
Nitrogen
Oxygen
Krypton
Q.19
A temperature inversion is most likely to occur under which of the following conditions?
Mountain top in late evening
Windy but cloudy night
Calm, cloudy and humid night
Calm, clear and cool winter night
Q.20
The final boundary between the Earth and the outer space is called
Magnetosphere
Ionosphere
Mesopause
Magnetopause
Q.21
The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________
Troposphere
Stratosphere
Ionosphere
Exosphere
Q.22
Because of which one of the following factors, clouds do not precipitate in deserts?
Low pressure
Low humidity
High wind velocity
High temperature
Q.23
Which one among the following local winds is not characteristically hot and dry?
Sirocco
Mistral
Khamsin
Chinook
Q.24
Which one of the following characteristics is not associated with the tropical cyclones?
Before the cyclone arrives the air becomes very still and temperature and humidity are high
As the front of the vertex arrives, gusty winds develop and thick clouds appear
As the cold front passes, the weather changes very rapidly
Calm conditions return when the eye of the cyclone arrives
Q.25
In the atmosphere of the primitive earth there was no ________
Oxygen
Carbon dioxide
Nitrogen
Ammonia
Q.26
Which of the following sequences of atmospheric layers is correct from below?
Stratosphere, Ionosphere, Tropopause, Troposphere
Ionosphere, Troposphere, Stratosphere, Tropopause
Troposphere, Tropopause, Stratosphere, Ionosphere
Tropopause, Troposphere, Ionosphere, Stratosphere
Q.27
The atmospheric layer farthest from the Earth's surface is known as
Stratosphere
Exosphere
Ionosphere
Mesosphere
Q.28
Anticyclones are caused by ________
Violent winds
Heavy rainfall
Winds that blow spirally outwards from the centre
Winds that blow spirally inwards
Q.29
The Trade winds are caused by ________
Rotation of the earth
Revolution of the earth
Inflowing movement of air along the earth's surface towards the equator
None of these
Q.30
Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
Nitrogen
Oxygen
Ozone
Water Vapour
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