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 7 of 25
Question #121
Which of the following states receives the most rainfall during the southwest monsoon?
A. Tamil Nadu
B. Punjab
C. Rajasthan
D. Kerala
Discuss
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Correct Answer: Option D

Explanation:
Kerala receives the highest rainfall during the southwest monsoon (June-September) because it is the first state to be hit by the monsoon winds, with the Western Ghats causing orographic rainfall.
This question belongs to: Geography GK Climate and Weather
Question #122
What is the main reason for the high rainfall in the northeastern states of India?
A. The northeast monsoon
B. The southwest monsoon
C. Cyclones
D. Orographic effect of the Himalayas and Eastern Ghats
Discuss
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Correct Answer: Option D

Explanation:
The northeastern states, especially Meghalaya, receive high rainfall due to the orographic effect of the Himalayas and the Eastern Ghats. The moisture-laden southwest monsoon winds are forced to rise over these mountains, causing heavy precipitation.
This question belongs to: Geography GK Climate and Weather
Question #123
Which of the following is a cold current on the western coast of South America?
A. Humboldt Current
B. Brazil Current
C. Both A and B
D. Peru Current
Discuss
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Correct Answer: Option C

Explanation:
The Humboldt Current (also known as the Peru Current) is a cold ocean current that flows northward along the western coast of South America, bringing cold, nutrient-rich water.
This question belongs to: Geography GK Climate and Weather
Question #124
Which of the following is a warm ocean current in the western Pacific?
A. Kuroshio Current
B. Peru Current
C. Oyashio Current
D. California Current
Discuss
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Correct Answer: Option A

Explanation:
The Kuroshio Current is a warm ocean current that flows from the Philippines towards the east coast of Japan. The Oyashio is a cold current, while California and Peru currents are cold currents.
This question belongs to: Geography GK Climate and Weather
Question #125
The term 'Walker Circulation' refers to:
A. A cell of rising and sinking air over the equator
B. A cell of rising and sinking air over the Pacific Ocean
C. A wind pattern over the Atlantic
D. A type of thunderstorm
Discuss
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Correct Answer: Option B

Explanation:
The Walker Circulation is a large-scale cell of rising and sinking air over the Pacific Ocean. Warm air rises over the western Pacific (near Indonesia) and sinks over the eastern Pacific. This circulation is disrupted during El Niño events.
This question belongs to: Geography GK Climate and Weather
Question #126
During an El Niño event, the Walker Circulation:
A. Weakens
B. Reverses direction
C. Remains unchanged
D. Strengthens
Discuss
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Correct Answer: Option A

Explanation:
During an El Niño event, the Walker Circulation weakens as the trade winds weaken, causing the warm water to shift eastward across the Pacific. This can lead to droughts in Australia and floods in South America.
This question belongs to: Geography GK Climate and Weather
Question #127
During a La Niña event, the Walker Circulation:
A. Reverses direction
B. Weakens
C. Strengthens
D. Remains unchanged
Discuss
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Correct Answer: Option C

Explanation:
During a La Niña event, the Walker Circulation strengthens as the trade winds intensify, pushing warm water further westward in the Pacific. This often results in heavy rainfall in Southeast Asia and Australia.
This question belongs to: Geography GK Climate and Weather
Question #128
What is the Southern Oscillation Index (SOI)?
A. The difference in sea level pressure between the Azores and Iceland
B. The difference in sea level pressure between the Atlantic and the Pacific
C. The difference in sea level pressure between the Arctic and the Antarctic
D. The difference in sea level pressure between Tahiti and Darwin
Discuss
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Correct Answer: Option D

Explanation:
The Southern Oscillation Index (SOI) is a measure of the difference in sea level pressure between Tahiti (central Pacific) and Darwin (northern Australia). A negative SOI indicates El Niño conditions, while a positive SOI indicates La Niña conditions.
This question belongs to: Geography GK Climate and Weather
Question #129
Which of the following is a secondary pollutant?
A. Sulfur dioxide
B. Nitrogen oxides
C. Carbon monoxide
D. Ozone
Discuss
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Correct Answer: Option D

Explanation:
Ozone is a secondary pollutant, meaning it is not emitted directly but is formed in the atmosphere through chemical reactions between primary pollutants (like nitrogen oxides and volatile organic compounds) in the presence of sunlight.
This question belongs to: Geography GK Climate and Weather
Question #130
Which of the following is NOT a primary pollutant?
A. Sulfur dioxide
B. Ozone
C. Nitrogen oxides
D. Carbon monoxide
Discuss
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Correct Answer: Option B

Explanation:
Ozone is not a primary pollutant; it is a secondary pollutant. Primary pollutants are emitted directly into the atmosphere, such as carbon monoxide, sulfur dioxide, and nitrogen oxides.
This question belongs to: Geography GK Climate and Weather
Question #131
The Air Quality Index (AQI) measures:
A. The quality of the air for health
B. The level of ozone depletion
C. The amount of greenhouse gases
D. The amount of rainfall
Discuss
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Correct Answer: Option A

Explanation:
The Air Quality Index (AQI) is a standardized indicator of air quality that tells you how clean or polluted the air is and what associated health effects might be a concern.
This question belongs to: Geography GK Climate and Weather
Question #132
Which of the following is NOT a factor affecting the climate of a region?
A. Altitude
B. Longitude
C. Distance from the sea
D. Latitude
Discuss
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Correct Answer: Option B

Explanation:
Longitude does not directly affect climate. The main factors affecting climate are latitude, altitude, distance from the sea (continentality), ocean currents, and wind patterns.
This question belongs to: Geography GK Climate and Weather
Question #133
Which of the following is the best definition of 'weather'?
A. The short-term state of the atmosphere at a specific place and time
B. The long-term average of atmospheric conditions
C. The average temperature of a region
D. The study of climate
Discuss
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Correct Answer: Option A

Explanation:
Weather is the short-term state of the atmosphere at a specific place and time, including temperature, humidity, precipitation, wind, and visibility. Climate is the long-term average.
This question belongs to: Geography GK Climate and Weather
Question #134
Which of the following is the best definition of 'climate'?
A. The study of climate
B. The average temperature of a region
C. The short-term state of the atmosphere
D. The long-term average of weather conditions in a region
Discuss
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Correct Answer: Option D

Explanation:
Climate is the long-term average of weather patterns in a specific region, typically over a period of 30 years or more. It includes averages and variations of temperature, precipitation, and other meteorological variables.
This question belongs to: Geography GK Climate and Weather
Question #135
What is the name of the layer of the atmosphere that contains most of the weather phenomena?
A. Troposphere
B. Mesosphere
C. Stratosphere
D. Thermosphere
Discuss
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Correct Answer: Option A

Explanation:
The troposphere is the layer of the atmosphere closest to the Earth's surface and contains most of the weather phenomena, including clouds, rain, storms, and winds.
This question belongs to: Geography GK Climate and Weather
Question #136
Which of the following is the coldest layer of the atmosphere?
A. Troposphere
B. Mesosphere
C. Thermosphere
D. Stratosphere
Discuss
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Correct Answer: Option B

Explanation:
The mesosphere is the coldest layer of the atmosphere, with temperatures dropping to as low as -90°C at the mesopause.
This question belongs to: Geography GK Climate and Weather
Question #137
Which of the following is the hottest layer of the atmosphere?
A. Troposphere
B. Thermosphere
C. Stratosphere
D. Mesosphere
Discuss
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Correct Answer: Option B

Explanation:
The thermosphere is the hottest layer of the atmosphere, with temperatures reaching up to 1,500°C or more, although the air is so thin that it would not feel hot to a person.
This question belongs to: Geography GK Climate and Weather
Question #138
Which of the following is a characteristic of the stratosphere?
A. Constant temperature with altitude
B. Decreasing temperature with altitude
C. Decreasing pressure with altitude
D. Increasing temperature with altitude
Discuss
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Correct Answer: Option D

Explanation:
The stratosphere is characterized by increasing temperature with altitude due to the absorption of solar UV radiation by the ozone layer.
This question belongs to: Geography GK Climate and Weather
Question #139
Which of the following is a characteristic of the troposphere?
A. No weather phenomena
B. Decreasing temperature with altitude
C. Constant temperature with altitude
D. Increasing temperature with altitude
Discuss
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Correct Answer: Option B

Explanation:
The troposphere is characterized by decreasing temperature with altitude (normal lapse rate) due to adiabatic cooling, and it contains most of the weather phenomena.
This question belongs to: Geography GK Climate and Weather
Question #140
Which of the following is a characteristic of the mesosphere?
A. Increasing temperature with altitude
B. Decreasing temperature with altitude
C. Constant temperature with altitude
D. Contains the ozone layer
Discuss
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Correct Answer: Option B

Explanation:
The mesosphere is characterized by decreasing temperature with altitude, making it the coldest layer of the atmosphere.
This question belongs to: Geography GK Climate and Weather

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