Climatology MCQ PDF Free Download 2024

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MCQ on Climatology for Students

Consider the following statements related to the stratification of atmospheric layers. I. All storms and cloudiness are restricted to the stratosphere. II. Cirrus clouds are formed on the top layers of the troposphere. III. The stratosphere is also an 'isoclinal layer'. Which of the statements given above is/are correct?

Assertion (A) In the stratosphere the temperature increase with altitude results in a layering effect. Reason (R) It creates a global 'inversion layer', and increases vertical convection. Codes

Which one of the following statements is true about tropopause?

Which one of the following zones of the atmosphere is rich in ozone gas?

Most ozone gas (about 90%) is located in the atmospheric layer of the

Which one of the following gases is found in the highest quantity in the exosphere?

Arrange the following layers of the atmosphere vertically from the surface of the Earth. I. Mesosphere II. Troposphere III. Stratosphere IV. Thermosphere Codes

Assertion (A) Because of the Sun's UV radiation, Earth's upper atmosphere is partly (0.1% or less) ionized plasma at altitudes of 70-1500 km. Reason (R) The zone of the ionosphere, is coupled to both the magnetosphere and the neutral atmosphere. Codes

The value of the solar constant is

The intensity of insolation depends on

The lowest temperature is observed/recorded in which one of the following layers of the atmosphere?

Assertion (A) Within the mesosphere, temperature decreases with increasing altitude. Reason (R) This is due to decreasing solar heating and increasing cooling by CO₂ radiative emission. Codes

Which one of the following layers of the atmosphere is responsible for the deflection of radiowaves?

The correct proportion of gases in the atmosphere in descending order is

Which one of the following is the correct order in which the gases from the atmosphere disappear as one moves away from the surface of the Earth?

Most of the phenomena related to weather take place in

Which of the following is the lowermost layer of the Atmosphere?

Troposphere is the hottest part of the atmosphere because

Which one of the four regions above Earth has the smallest height (km)?

The normal lapse rate of the temperature of Earth's atmosphere drops to 0°C at the

The atmospheric air is held to the Earth by

If the Earth did not have an atmosphere, temperature extremes between day and night would

Which one of the following statements about the atmosphere is correct?

On average, air contains ……… % of water vapor ( Climatology MCQ )

Which among the following gases has the most volume by percentage in the atmosphere?

Assertion (A) Pressure gradients determine the velocity of winds. Reason (R) When isobars (lines of equal atmospheric pressure) are closely spaced, the wind velocity would be gentle. Codes

Which one of the following provides the force needed to drive atmospheric circulation?

Intertropical Convergence Zone (ITCZ), a low-pressure zone, is located

What is the convergence of North-East and South-East trade winds near the equator known as?

In the Hadley cell thermal circulation, air rises up and finally descends at

Which one of the following statements is true about Horse latitude?

Assertion (A) Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year. Reason (R) High temperatures and high humidity cause convectional rain to fall mostly in the afternoons near the equator. Codes

At high altitudes, a pressure cooker is preferable for cooking, because the boiling point of water

Which one of the following weather conditions is indicated by a sudden fall in barometer reading?

Logically, what does a continually rising air pressure indicate?

Assertion (A) 60°-65° latitudes in both hemispheres have a low-pressure belt instead of high pressure. Reason (R) The low-pressure areas are permanent over oceans rather than on land. Codes

Consider the following regarding atmospheric circulations in the form of cells. I. They are formed due to disturbances in the planetary pressure systems. II. They are in form of vertical circulation cells.

Which one of the following experiences the least annual range of temperature?

Which one of the following statements is not correct?

Which of the following causes adiabatic temperature changes in the atmosphere?

Which one of the following statements about temperature is correct?

The thermal equator is found ( Applied Climatology UPSC )

Assertion (A) In coastal regions seasonal variation of temperature is less as compared to that of the interior areas. Reason (R) Seasonal variation of atmospheric humidity in the coastal regions is low as compared to that of the interior areas. Codes

Nearly 30% of the solar radiation returns back to space without contributing anything to the Earth's surface temperature. This amount of radiation is known as

Cloudy nights are warmer than clear nights because ( Applied Climatology UPSC )

Which parts of the Earth's surface experience the least variation in incoming solar radiation throughout the year?

Consider the following statements. I. The Earth receives the Sun's energy at the infrared end of the spectrum. II. The Earth re-radiates the Sun's heat as ultraviolet energy. Which of the statements given above is/are correct?

Which of the following is correct regarding Thermal terrestrial radiation? I. Thermal terrestrial radiation is in the form of a Long wave. II. Only 35% of terrestrial radiation is emitted through the radiation window of Earth. Codes

Assertion (A) The thickness of the atmosphere is maximum over the equator. Reason (R) High insolation and strong convection currents occur over the Equator. Codes

MCQ on Climatology for Students

QnA on Climatology PDF Free Download

Consider the following statements related to the stratification of atmospheric layers. I. All storms and cloudiness are restricted to the stratosphere. II. Cirrus clouds are formed on the top layers of the troposphere. III. The stratosphere is also an 'isoclinal layer'. Which of the statements given above is/are correct?

(a) I and II

(b) I and III

(d) I, II and III

Option c - II and III

Assertion (A) In the stratosphere the temperature increase with altitude results in a layering effect. Reason (R) It creates a global 'inversion layer', and increases vertical convection. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option c - A is true, but R is false

Which one of the following statements is true about tropopause?

(a) It is formed due to meteoric dust particles.

(b) It is about 5-10 km thick.

(d) Its average height is about 8 km over the equator.

Option c - It is a zone of mixing

Which one of the following zones of the atmosphere is rich in ozone gas?

(a) Mesosphere

(b) Troposphere

(d) lonosphere

Option c - Stratosphere

Most ozone gas (about 90%) is located in the atmospheric layer of the

(a) ionosphere

(b) troposphere

(d) mesosphere

Option c - Stratosphere

Which one of the following gases is found in the highest quantity in the exosphere?

(a) Hydrogen

(b) Helium

(d) Oxygen

Option a - Hydrogen

Arrange the following layers of the atmosphere vertically from the surface of the Earth. I. Mesosphere II. Troposphere III. Stratosphere IV. Thermosphere Codes

(a) I, II, III, IV

(b) II, I, III, IV

(d) III, IV, II, I

Option c - II, III, I, IV

Assertion (A) Because of the Sun's UV radiation, Earth's upper atmosphere is partly (0.1% or less) ionized plasma at altitudes of 70-1500 km. Reason (R) The zone of the ionosphere, is coupled to both the magnetosphere and the neutral atmosphere. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option d - A is false, but R is true

The value of the solar constant is

(a) 2 Langley/min

(b) 1 Langley/min.

(d) 0.5 Langley/min

Option a - 2 Langley/min

The intensity of insolation depends on

(a) altitude

(b) the nature of the terrain

(d) latitude

Option d - latitude

The lowest temperature is observed/recorded in which one of the following layers of the atmosphere?

(a) Stratosphere

(b) Mesosphere

(d) Troposphere

Option b - Mesosphere

Assertion (A) Within the mesosphere, temperature decreases with increasing altitude. Reason (R) This is due to decreasing solar heating and increasing cooling by CO₂ radiative emission. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option a - Both A and R are true and R is the correct explanation of A

Which one of the following layers of the atmosphere is responsible for the deflection of radiowaves?

(a) Troposphere

(b) Stratosphere

(d) lonosphere

Option d - Ionosphere

The correct proportion of gases in the atmosphere in descending order is

(a) Nitrogen, carbon dioxide, and Oxygen.

(b) Nitrogen, Oxygen, and Carbon dioxide.

(d) Carbon dioxide, Oxygen, and Nitrogen.

Option b - Nitrogen, Oxygen, and Carbon dioxide

Which one of the following is the correct order in which the gases from the atmosphere disappear as one moves away from the surface of the Earth?

(a) Carbon dioxide-Oxygen-Nitrogen

(b) Oxygen-Nitrogen-Carbon dioxide

(d) Nitrogen-Oxygen-Carbon dioxide

Option c - Carbon dioxide-Nitrogen-Oxygen

Most of the phenomena related to weather take place in

(a) the stratosphere

(b) the ionosphere

(d) the troposphere

Option d - the troposphere

Which of the following is the lowermost layer of the Atmosphere?

(a) Troposphere

(b) Exosphere

(d) Mesosphere

Option a - troposphere

Troposphere is the hottest part of the atmosphere because

(a) it is closest to the Sun.

(b) heat is generated in it.

(d) there are charged particles in it.

Option c - it is heated by the Earth's surface

Which one of the four regions above Earth has the smallest height (km)?

(a) Stratosphere

(b) Mesosphere

(d) Troposphere

Option d - Troposphere

The normal lapse rate of the temperature of Earth's atmosphere drops to 0°C at the

(a) the upper part of the ionosphere

(b) the upper boundary of the tropopause

(d) the upper boundary of stratopause

Option b - the upper boundary of the tropopause

The atmospheric air is held to the Earth by

(a) gravity

(b) winds

(d) rotation of the Earth

Option a - gravity

If the Earth did not have an atmosphere, temperature extremes between day and night would

(a) increase

(b) decrease

(d) fluctuate rapidly

Option a - increase

Which one of the following statements about the atmosphere is correct?

(a) The atmosphere has definite upper limits but gradually thins until it becomes imperceptible.

(b) The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible.

(d) The atmosphere has no definite upper limits but gradually thickens until it becomes imperceptible.

Option b - The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible

On average, air contains ……… % of water vapor ( Climatology MCQ )

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(a) 1

(b) 3

(d) 7

Option b - 3

Which among the following gases has the most volume by percentage in the atmosphere?

(a) Carbon dioxide

(b) Argon

(d) Helium

Option b - Argon

Assertion (A) Pressure gradients determine the velocity of winds. Reason (R) When isobars (lines of equal atmospheric pressure) are closely spaced, the wind velocity would be gentle. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option c - A is true, but R is false

Which one of the following provides the force needed to drive atmospheric circulation?

(a) Higher biotic content of the tropical latitudes and lower piotic content of the polar latitudes.

(b) The energy content between high-insolation tropical latitudes and low-insolation polar latitudes.

(d) The Equatorial radius of the earth is longer than the polar radius.

Option b - The energy content between high-insolation tropical latitudes and low-insolation polar latitudes

Intertropical Convergence Zone (ITCZ), a low-pressure zone, is located

(a) between trade winds and the westerlies belt.

(b) between westerlies and polar winds belt.

(d) at the equator.

Option d - at the equator

What is the convergence of North-East and South-East trade winds near the equator known as?

(a) Doldrums

(b) Jetstream

(d) Upper air monsoon

Option c - Inter-tropical convergence zone

In the Hadley cell thermal circulation, air rises up and finally descends at

(a) intertropical convergence zone.

(b) doldrums.

(d) equatorial troughs.

Option c - subtropical high-pressure cells

Which one of the following statements is true about Horse latitude?

(a) It is a region of strong wind currents.

(b) It is a dynamically induced sub-tropical high pressure.

(c) It is the closest point to the Sun, therefore, the air relatively is hotter due to which, the air becomes less dense and forms a low-pressure zone.

(d) None of the above

Option b - It is a dynamically induced sub-tropical high pressure

Assertion (A) Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year. Reason (R) High temperatures and high humidity cause convectional rain to fall mostly in the afternoons near the equator. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option a - Both A and R are true and R is the correct explanation of A

At high altitudes, a pressure cooker is preferable for cooking, because the boiling point of water

(a) reduces due to higher atmospheric pressure.

(b) reduces due to lower atmospheric pressure.

(d) reduces due to increased ozone content in the atmosphere.

Option b - reduces due to lower atmospheric pressure

Which one of the following weather conditions is indicated by a sudden fall in barometer reading?

(a) Stormy

(b) Calm weather

(d) hot and sunny weather

Option a - Stormy

Logically, what does a continually rising air pressure indicate?

(a) The advent of unsettled and cloudy weather.

(b) The advent of a cyclone.

(d) Fine and unsettled weather.

Option d - Fine and unsettled weather

Assertion (A) 60°-65° latitudes in both hemispheres have a low-pressure belt instead of high pressure. Reason (R) The low-pressure areas are permanent over oceans rather than on land. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option b - Both A and R are true, but R is not the correct explanation of A

Consider the following regarding atmospheric circulations in the form of cells. I. They are formed due to disturbances in the planetary pressure systems. II. They are in form of vertical circulation cells.

(a) Only I

(b) Only II

(d) None of the above

Option c - I and II

Which one of the following experiences the least annual range of temperature?

(a) Arctic circle

(b) Tropic of Capricorn

(d) Equator

Option d - Equator

Which one of the following statements is not correct?

(a) Temperatures decrease from the equator to the poles.

(b) Temperatures in equatorial regions change substantially from January to July.

(c) Large land masses located in the sub-arctic and Arctic zones develop centers of extremely low temperatures in winter.

(d) Highlands are always colder than surrounding lowlands.

Option b - Temperatures in equatorial regions change substantially from January to July

Which of the following causes adiabatic temperature changes in the atmosphere?

(a) Deflection and advection.

(b) Latent heat of condensation.

(d) Partial absorption of solar radiation by the atmosphere.

Option c - Expansion and compression of the air

Which one of the following statements about temperature is correct?

(a) Temperature decreases with height in the stratosphere.

(b) Temperature is constant at different heights in the stratosphere.

(d) Temperature decreases with height in the troposphere at an average rate of 6.4°C per km.

Option d - Temperature decreases with height in the troposphere at an average rate of 6.4°C per km

The thermal equator is found ( Applied Climatology UPSC )

(a) at the equator.

(b) South of the geographical equator.

(d) both North and South of the geographical equator.

Option d - both North and South of the geographical equator

Assertion (A) In coastal regions seasonal variation of temperature is less as compared to that of the interior areas. Reason (R) Seasonal variation of atmospheric humidity in the coastal regions is low as compared to that of the interior areas. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false, but R is true

Option c - A is true, but R is false

Nearly 30% of the solar radiation returns back to space without contributing anything to the Earth's surface temperature. This amount of radiation is known as

(a) black body

(b) tropopause

(d) mesopause

Option c - Earth's albedo

Cloudy nights are warmer than clear nights because ( Applied Climatology UPSC )

(a) the greenhouse effect

(b) the depletion of the ozone layer

(d) it acts as a hindrance to terrestrial radiation

Option d - it acts as a hindrance to terrestrial radiation

Which parts of the Earth's surface experience the least variation in incoming solar radiation throughout the year?

(a) Poles

(b) Equatorial regions

(d) Arctic and Antarctic circles

Option b - Equatorial regions

Consider the following statements. I. The Earth receives the Sun's energy at the infrared end of the spectrum. II. The Earth re-radiates the Sun's heat as ultraviolet energy. Which of the statements given above is/are correct?

(a) Only I

(b) Only II

(d) Neither I nor II

Option d - Neither I nor II

Which of the following is correct regarding Thermal terrestrial radiation? I. Thermal terrestrial radiation is in the form of a Long wave. II. Only 35% of terrestrial radiation is emitted through the radiation window of Earth. Codes

(a) Both I and II

(b) Only I

(d) None of the above

Option b - Only I

Assertion (A) The thickness of the atmosphere is maximum over the equator. Reason (R) High insolation and strong convection currents occur over the Equator. Codes

(a) Both A and R are true and R is the correct explanation of A

(b) Both A and R are true, but R is not the correct explanation of A

(d) A is false but R is true

Option a - Both A and R are true and R is the correct explanation of A

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MCQ on Climatology for Students

Assertion (A) In the stratosphere the temperature increase with altitude results in a layering effect. Reason (R) It creates a global 'inversion layer', and increases vertical convection. Codes

Which one of the following statements is true about tropopause?

Which one of the following zones of the atmosphere is rich in ozone gas?

Most ozone gas (about 90%) is located in the atmospheric layer of the

Which one of the following gases is found in the highest quantity in the exosphere?

Arrange the following layers of the atmosphere vertically from the surface of the Earth. I. Mesosphere II. Troposphere III. Stratosphere IV. Thermosphere Codes

Assertion (A) Because of the Sun's UV radiation, Earth's upper atmosphere is partly (0.1% or less) ionized plasma at altitudes of 70-1500 km. Reason (R) The zone of the ionosphere, is coupled to both the magnetosphere and the neutral atmosphere. Codes

The value of the solar constant is

The intensity of insolation depends on

The lowest temperature is observed/recorded in which one of the following layers of the atmosphere?

Assertion (A) Within the mesosphere, temperature decreases with increasing altitude. Reason (R) This is due to decreasing solar heating and increasing cooling by CO₂ radiative emission. Codes

Which one of the following layers of the atmosphere is responsible for the deflection of radiowaves?

The correct proportion of gases in the atmosphere in descending order is

Which one of the following is the correct order in which the gases from the atmosphere disappear as one moves away from the surface of the Earth?

Most of the phenomena related to weather take place in

Which of the following is the lowermost layer of the Atmosphere?

Troposphere is the hottest part of the atmosphere because

Which one of the four regions above Earth has the smallest height (km)?

The normal lapse rate of the temperature of Earth's atmosphere drops to 0°C at the

The atmospheric air is held to the Earth by

If the Earth did not have an atmosphere, temperature extremes between day and night would

Which one of the following statements about the atmosphere is correct?

On average, air contains ……… % of water vapor ( Climatology MCQ )

Which among the following gases has the most volume by percentage in the atmosphere?

Assertion (A) Pressure gradients determine the velocity of winds. Reason (R) When isobars (lines of equal atmospheric pressure) are closely spaced, the wind velocity would be gentle. Codes

Which one of the following provides the force needed to drive atmospheric circulation?

Intertropical Convergence Zone (ITCZ), a low-pressure zone, is located

What is the convergence of North-East and South-East trade winds near the equator known as?

In the Hadley cell thermal circulation, air rises up and finally descends at

Which one of the following statements is true about Horse latitude?

Assertion (A) Areas lying within five to eight degrees latitude on either side of the equator receive rainfall throughout the year. Reason (R) High temperatures and high humidity cause convectional rain to fall mostly in the afternoons near the equator. Codes

At high altitudes, a pressure cooker is preferable for cooking, because the boiling point of water

Which one of the following weather conditions is indicated by a sudden fall in barometer reading?

Logically, what does a continually rising air pressure indicate?

Assertion (A) 60°-65° latitudes in both hemispheres have a low-pressure belt instead of high pressure. Reason (R) The low-pressure areas are permanent over oceans rather than on land. Codes

Consider the following regarding atmospheric circulations in the form of cells. I. They are formed due to disturbances in the planetary pressure systems. II. They are in form of vertical circulation cells.

Which one of the following experiences the least annual range of temperature?

Which one of the following statements is not correct?

Which of the following causes adiabatic temperature changes in the atmosphere?

Which one of the following statements about temperature is correct?

The thermal equator is found ( Applied Climatology UPSC )

Assertion (A) In coastal regions seasonal variation of temperature is less as compared to that of the interior areas. Reason (R) Seasonal variation of atmospheric humidity in the coastal regions is low as compared to that of the interior areas. Codes

Nearly 30% of the solar radiation returns back to space without contributing anything to the Earth's surface temperature. This amount of radiation is known as

Cloudy nights are warmer than clear nights because ( Applied Climatology UPSC )

Which parts of the Earth's surface experience the least variation in incoming solar radiation throughout the year?

Consider the following statements. I. The Earth receives the Sun's energy at the infrared end of the spectrum. II. The Earth re-radiates the Sun's heat as ultraviolet energy. Which of the statements given above is/are correct?

Which of the following is correct regarding Thermal terrestrial radiation? I. Thermal terrestrial radiation is in the form of a Long wave. II. Only 35% of terrestrial radiation is emitted through the radiation window of Earth. Codes

Assertion (A) The thickness of the atmosphere is maximum over the equator. Reason (R) High insolation and strong convection currents occur over the Equator. Codes

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