Applied Climatology UPSC. We covered all the Applied Climatology UPSC in this post for free so that you can practice well for the exam.
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MCQ on Climatology for UPSC Students
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
(c) A is true, but R is false
(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.
(c) The higher rotational speed of lower latitudes lowers the rotational speed of higher 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.
(c) nearby the poles
(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
(c) Inter-tropical convergence zone
(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.
(c) subtropical high-pressure cells.
(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
(c) A is true, but R is false
(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.
(c) increases due to reduced gravitational force.
(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
(c) Cold and dry 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.
(c) Fine and settled weather.
(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
(c) A is true, but R is false
(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
(c) I and 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
(c) Tropic of Cancer
(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.
(c) Expansion and compression of the air.
(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.
(c) Temperature increases with height in the troposphere at an average rate of 6.5°C per km.
(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.
(c) North 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
(c) A is true, but R is false
(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
(c) Earth’s albedo
(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
(c) isolation
(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
(c) Tropics of Cancer and Capricorn
(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
(c) Both I and 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
(c) Only II
(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
(c) A is true but R is false
(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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