Atmosphere MCQ

Test your knowledge with important Atmosphere MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Atmosphere MCQs on Bissoy. Bissoy App

The phenomenon of 'trade winds' takes place due to

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Conduction of heat

খ
Convection of heat

গ
Radiation

ঘ
None of the above
Winds blow ________

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In regions of low pressure

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From a region of high pressure to a region of low pressure

গ
From a region of low pressure to a region of high pressure

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In regions of high pressure
What is a cloudburst?

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It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes

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It refers to 50mm rain over a period of time

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It is caused by rapid condensation of very high clouds

ঘ
It refers to a thunderstorm with little rain
What causes snowfall?

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When condensation takes place below 0° C and precipitation occurs in the form of flakes

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When rain freezes into snow-flakes while passing through the atmosphere

গ
When condensation takes place in form of fog and precipitation occurs as flakes

ঘ
When the air temperature is much lower than surface temperature
Which is the lowest layer of Atmosphere?

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Troposphere

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Stratosphere

গ
Mesosphere

ঘ
Exosphere
Freely moving bodies are ________

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Deflected to their right in the northern hemisphere

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Deflected to the right in the southern hemisphere

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Deflected upwards at the equator

ঘ
Unaffected by the earth's movements
Which of the following depletion results in the increase in the UV radiation on the Earth?

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Carbon monoxide

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Carbon dioxide

গ
Ozone

ঘ
Oxygen
Beaufort Scale is used to measure ________

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Air pressure

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Wind velocity

গ
Wind direction

ঘ
Humidity
Which of the following is located at the minimum height from the Earth?

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Stratosphere

খ
Mesosphere

গ
Thermosphere

ঘ
Troposphere
Cloud burst means ________

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Abnormally heavy downpour of rain, associated with a thunderstorm

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Formation of artificial rain

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Presence of scattered flakes of cloud in the sky

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Sowing of seeds of a crop in a cloudy weather
Which of the following statements about Stratosphere is incorrect?

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It is the region in the atmosphere above tropopause

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It contains ozone layer which prevents ultraviolet radiations of sun from reaching to the earth

গ
It is not free from the violent weather changes occurring on the earth

ঘ
It provides ideal flying conditions
Relative humidity of the atmosphere is directly affected by ________

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Change in atmospheric pressure

খ
Change in atmospheric temperature

গ
Change in the direction of winds

ঘ
None of these
Which gas is found in maximum quantity in lower atmosphere?

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Hydrogen

খ
Carbon dioxide

গ
Oxygen

ঘ
Nitrogen
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?

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Insolation

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Evaporation

গ
Condensation

ঘ
Precipitation
What helps to maintain the heat budget on the surface of the earth?

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Incoming insolation in short waves and terrestrial radiation in long waves

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The atmosphere absorbs heat

গ
Incoming solar radiation is reflected

ঘ
The earth absorbs heat
The final boundary between the Earth and the outer space is called

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Magnetosphere

খ
Ionosphere

গ
Mesopause

ঘ
Magnetopause
A temperature inversion is most likely to occur under which of the following conditions?

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Mountain top in late evening

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Windy but cloudy night

গ
Calm, cloudy and humid night

ঘ
Calm, clear and cool winter night
Winds and air currents differ in the aspect that ________

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Air currents blow much faster than winds

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Air currents are always moisture laden while the winds are usually dry

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The winds blow on lands while air currents blow over seas and oceans

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Winds are horizontal movements of air while air currents are the vertical movements of air
In the atmosphere of the primitive earth there was no ________

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Oxygen

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Carbon dioxide

গ
Nitrogen

ঘ
Ammonia
Which one of the following characteristics is not associated with the tropical cyclones?

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Before the cyclone arrives the air becomes very still and temperature and humidity are high

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As the front of the vertex arrives, gusty winds develop and thick clouds appear

গ
As the cold front passes, the weather changes very rapidly

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Calm conditions return when the eye of the cyclone arrives
Which one among the following local winds is not characteristically hot and dry?

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Sirocco

খ
Mistral

গ
Khamsin

ঘ
Chinook
Because of which one of the following factors, clouds do not precipitate in deserts?

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Low pressure

খ
Low humidity

গ
High wind velocity

ঘ
High temperature
The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________

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Troposphere

খ
Stratosphere

গ
Ionosphere

ঘ
Exosphere
An important gas in the atmosphere that absorbs sun's ultraviolet rays is

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Oxygen

খ
Nitrogen

গ
Ozone

ঘ
Hydrogen
The heat from Sun to Earth is called as

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Temperature Radiation

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Insolation

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Emitted Heat

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Solar Radiation
Which one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?

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Tropical savanna

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Mediterranean

গ
Humid Continental

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Low-latitude steppe
Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?

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Nitrogen

খ
Oxygen

গ
Ozone

ঘ
Water Vapour
The Trade winds are caused by ________

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Rotation of the earth

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Revolution of the earth

গ
Inflowing movement of air along the earth's surface towards the equator

ঘ
None of these
Anticyclones are caused by ________

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Violent winds

খ
Heavy rainfall

গ
Winds that blow spirally outwards from the centre

ঘ
Winds that blow spirally inwards
The atmospheric layer farthest from the Earth's surface is known as

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Stratosphere

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Exosphere

গ
Ionosphere

ঘ
Mesosphere