Climate and Weather MCQs

Geography GK

Climate and Weather MCQs

Practice Climate and Weather MCQs with answers and detailed explanations covering climate, weather, monsoons, rainfall, temperature, humidity, atmospheric pressure, winds, cyclones, seasons and important climatic phenomena frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.

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Total Questions

Practice Questions

Page 6 of 25
Question #101
Which of the following is the correct sequence of atmospheric layers from the Earth's surface upwards?
A. Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
B. Troposphere, Thermosphere, Mesosphere, Stratosphere, Exosphere
C. Stratosphere, Troposphere, Mesosphere, Thermosphere, Exosphere
D. Troposphere, Mesosphere, Stratosphere, Thermosphere, Exosphere
Discuss
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Correct Answer: Option A

Explanation:
The correct order of atmospheric layers from the Earth's surface upwards is Troposphere (0-12 km), Stratosphere (12-50 km), Mesosphere (50-85 km), Thermosphere (85-600 km), and Exosphere (above 600 km).
This question belongs to: Geography GK Climate and Weather
Question #102
The term 'Insolation' refers to:
A. Atmospheric pressure
B. Wind speed
C. Incoming solar radiation
D. Outgoing terrestrial radiation
Discuss
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Correct Answer: Option C

Explanation:
Insolation stands for 'Incoming Solar Radiation'. It is the amount of solar energy received by the Earth's surface and atmosphere.
This question belongs to: Geography GK Climate and Weather
Question #103
The albedo of a surface is a measure of its:
A. Reflectivity
B. Temperature
C. Absorptivity
D. Emissivity
Discuss
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Correct Answer: Option A

Explanation:
Albedo is the measure of the reflectivity of a surface. A high albedo means the surface reflects most of the incoming solar radiation (e.g., ice, snow), while a low albedo means it absorbs most (e.g., forests, oceans).
This question belongs to: Geography GK Climate and Weather
Question #104
Which of the following surfaces has the highest albedo?
A. Forest
B. Fresh snow
C. Ocean
D. Desert sand
Discuss
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Correct Answer: Option B

Explanation:
Fresh snow has the highest albedo among these surfaces, reflecting about 80-90% of incoming solar radiation. Oceans and forests have low albedo, absorbing most solar energy.
This question belongs to: Geography GK Climate and Weather
Question #105
The Earth's atmosphere is heated mainly by:
A. Direct solar radiation
B. Volcanic eruptions
C. Longwave terrestrial radiation
D. Conduction from the Earth's core
Discuss
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Correct Answer: Option C

Explanation:
The Earth's atmosphere is mainly heated by longwave terrestrial radiation (infrared radiation) emitted by the Earth's surface after it absorbs solar radiation. The atmosphere is mostly transparent to shortwave solar radiation.
This question belongs to: Geography GK Climate and Weather
Question #106
The greenhouse effect is primarily caused by:
A. Greenhouse gases trapping longwave radiation
B. Ozone layer depletion
C. Reflection of solar radiation
D. Convection currents
Discuss
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Correct Answer: Option A

Explanation:
The greenhouse effect is caused by greenhouse gases (CO2, methane, water vapor, etc.) in the atmosphere that trap outgoing longwave (infrared) radiation, warming the planet.
This question belongs to: Geography GK Climate and Weather
Question #107
Which of the following is NOT a greenhouse gas?
A. Nitrous oxide
B. Methane
C. Carbon dioxide
D. Nitrogen
Discuss
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Correct Answer: Option D

Explanation:
Nitrogen is not a greenhouse gas. It makes up about 78% of the atmosphere but does not absorb infrared radiation. Carbon dioxide, methane, and nitrous oxide are significant greenhouse gases.
This question belongs to: Geography GK Climate and Weather
Question #108
The term 'adiabatic process' in meteorology refers to:
A. Heat transfer through conduction
B. Temperature change without heat exchange with the environment
C. Heat transfer through radiation
D. Temperature change with heat exchange
Discuss
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Correct Answer: Option B

Explanation:
An adiabatic process is one in which a parcel of air changes temperature without exchanging heat with its surroundings. As air rises, it expands and cools (adiabatic cooling); as it descends, it compresses and warms (adiabatic warming).
This question belongs to: Geography GK Climate and Weather
Question #109
The dry adiabatic lapse rate is approximately:
A. 10°C per 1000 meters
B. 0.6°C per 1000 meters
C. 1°C per 1000 meters
D. 1°C per 100 meters
Discuss
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Correct Answer: Option D

Explanation:
The dry adiabatic lapse rate is approximately 1°C per 100 meters (or 10°C per kilometer). This is the rate at which a dry parcel of air cools as it rises.
This question belongs to: Geography GK Climate and Weather
Question #110
The saturated adiabatic lapse rate is:
A. Greater than the dry adiabatic lapse rate
B. Less than the dry adiabatic lapse rate
C. Zero
D. Equal to the dry adiabatic lapse rate
Discuss
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Correct Answer: Option B

Explanation:
The saturated adiabatic lapse rate (about 0.6°C per 100m) is less than the dry adiabatic lapse rate (about 1°C per 100m). This is because when air is saturated, condensation releases latent heat, which partially offsets the cooling.
This question belongs to: Geography GK Climate and Weather
Question #111
A 'temperature inversion' occurs when:
A. Temperature is constant with altitude
B. Temperature varies randomly
C. Temperature increases with altitude
D. Temperature decreases with altitude
Discuss
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Correct Answer: Option C

Explanation:
A temperature inversion is a reversal of the normal temperature gradient in the troposphere, where temperature increases with altitude instead of decreasing. This traps pollutants and can cause fog and smog.
This question belongs to: Geography GK Climate and Weather
Question #112
Which type of rainfall is most common in the equatorial regions?
A. Convectional rainfall
B. Cyclonic rainfall
C. Orographic rainfall
D. Frontal rainfall
Discuss
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Correct Answer: Option A

Explanation:
Convectional rainfall is most common in the equatorial regions. The intense heating of the ground causes moist air to rise rapidly, cool, condense, and form heavy afternoon thunderstorms.
This question belongs to: Geography GK Climate and Weather
Question #113
What is the major cause of cyclonic rainfall?
A. Convergence of air masses
B. Descending air
C. Rising air over mountains
D. Convection from surface heating
Discuss
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Correct Answer: Option A

Explanation:
Cyclonic or frontal rainfall is caused by the convergence of warm and cold air masses. The warm, moist air is forced to rise over the cold, denser air, leading to condensation and precipitation.
This question belongs to: Geography GK Climate and Weather
Question #114
Which of the following is NOT a local wind?
A. Chinook
B. Sirocco
C. Loo
D. Trade winds
Discuss
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Correct Answer: Option D

Explanation:
Trade winds are global wind belts, not local winds. Chinook, Loo, and Sirocco are local or regional winds. Trade winds are part of the Earth's global circulation and blow from the subtropics towards the equator.
This question belongs to: Geography GK Climate and Weather
Question #115
The term 'Hadley cell' refers to:
A. A type of cyclone
B. An ocean current
C. A large-scale atmospheric circulation pattern
D. A type of cloud formation
Discuss
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Correct Answer: Option C

Explanation:
A Hadley cell is a large-scale atmospheric circulation pattern where warm air rises at the equator, flows poleward at high altitudes, and sinks at the subtropics, forming the trade winds.
This question belongs to: Geography GK Climate and Weather
Question #116
Which of the following is a characteristic of a tropical cyclone?
A. Low humidity
B. Stationary
C. Cold core
D. Warm core
Discuss
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Correct Answer: Option D

Explanation:
Tropical cyclones are warm-core systems, meaning they are powered by the release of latent heat from condensation in the warm, moist air. Extratropical cyclones are cold-core systems.
This question belongs to: Geography GK Climate and Weather
Question #117
Which of the following is NOT a type of tropical cyclone?
A. Cyclone
B. Typhoon
C. Tornado
D. Hurricane
Discuss
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Correct Answer: Option C

Explanation:
Tornadoes are not a type of tropical cyclone. Hurricanes, typhoons, and cyclones are all regional names for tropical cyclones. A tornado is a localized, violent rotating column of air extending from a thunderstorm to the ground.
This question belongs to: Geography GK Climate and Weather
Question #118
What is the name of the scale used to classify hurricanes in the Atlantic?
A. Fujita scale
B. Saffir-Simpson scale
C. Mercalli scale
D. Richter scale
Discuss
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Correct Answer: Option B

Explanation:
The Saffir-Simpson scale is used to categorize hurricanes (tropical cyclones) in the Atlantic and Eastern Pacific based on their sustained wind speeds. The Richter scale is for earthquakes, the Fujita scale for tornadoes, and the Mercalli scale for earthquake intensity.
This question belongs to: Geography GK Climate and Weather
Question #119
The term 'monsoon trough' in the Indian context refers to:
A. The jet stream
B. A line of high pressure over the Himalayas
C. The path of cyclones
D. A line of low pressure extending from the Thar Desert to the Bay of Bengal
Discuss
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Correct Answer: Option D

Explanation:
The monsoon trough is a region of low pressure that forms during the monsoon season, extending from the Thar Desert in the west to the Bay of Bengal in the east. It is crucial for monsoon rainfall.
This question belongs to: Geography GK Climate and Weather
Question #120
The 'break in monsoon' refers to:
A. A period of no rainfall during the monsoon season
B. The retreat of the monsoon
C. The onset of the monsoon
D. The end of the monsoon
Discuss
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Correct Answer: Option A

Explanation:
A 'break in monsoon' is a period of one or more weeks during the monsoon season when rainfall is significantly reduced or absent over most of the country. This occurs when the monsoon trough moves northwards towards the Himalayas.
This question belongs to: Geography GK Climate and Weather

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