UPSC Static Quiz – Geography : 29 January 2025

UPSC Static Quiz – Geography : 29 January 2025 We will post 5 questions daily on static topics mentioned in the UPSC civil services preliminary examination syllabus. Each week will focus on a specific topic from the syllabus, such as History of India and Indian National Movement, Indian and World Geography, and more.We are excited to bring you our daily UPSC Static Quiz, designed to help you prepare for the UPSC Civil Services Preliminary Examination. Each day, we will post 5 questions on static topics mentioned in the UPSC syllabus. This week, we are focusing on Indian and World Geography.

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• Question 1 of 5 1. Question In the Ocean floor, generally which of the following appears at the bottom a) Abyssal plain b) Seamount c) Continental Shelf d) Rift valley Correct Solution: d) Incorrect Solution: d)

#### 1. Question

In the Ocean floor, generally which of the following appears at the bottom

• a) Abyssal plain

• b) Seamount

• c) Continental Shelf

• d) Rift valley

Solution: d)

• Question 2 of 5 2. Question Consider the following statements regarding pyrocumulonimbus clouds: These clouds form during extremely hot wildfires or volcanic eruptions. Pyrocumulonimbus clouds often produce heavy rainfall, helping to extinguish wildfires. Rising global temperatures have contributed to the increased formation of these clouds. How many of the above statements is/are correct? a) Only one b) Only two c) All three d) None Correct Solution: b) Statement 2 is incorrect. Explanation: Pyrocumulonimbus clouds, formed during extremely hot wildfires or volcanic eruptions, are becoming more common due to rising global temperatures. These clouds develop when intense heat from a fire causes surrounding air, carrying water vapor, smoke, and ash, to rise rapidly into the atmosphere. As the air cools and condenses, a pyrocumulus cloud forms, which can evolve into a pyrocumulonimbus cloud if conditions are right. These towering clouds, which can reach heights of 50,000 feet, generate thunderstorms but little rain,potentially sparking new wildfires and spreading existing ones. Incorrect Solution: b) Statement 2 is incorrect. Explanation: Pyrocumulonimbus clouds, formed during extremely hot wildfires or volcanic eruptions, are becoming more common due to rising global temperatures. These clouds develop when intense heat from a fire causes surrounding air, carrying water vapor, smoke, and ash, to rise rapidly into the atmosphere. As the air cools and condenses, a pyrocumulus cloud forms, which can evolve into a pyrocumulonimbus cloud if conditions are right. These towering clouds, which can reach heights of 50,000 feet, generate thunderstorms but little rain,potentially sparking new wildfires and spreading existing ones.

#### 2. Question

Consider the following statements regarding pyrocumulonimbus clouds:

• These clouds form during extremely hot wildfires or volcanic eruptions.

• Pyrocumulonimbus clouds often produce heavy rainfall, helping to extinguish wildfires.

• Rising global temperatures have contributed to the increased formation of these clouds.

How many of the above statements is/are correct?

• a) Only one

• b) Only two

• c) All three

Solution: b)

Statement 2 is incorrect.

Explanation:

Pyrocumulonimbus clouds, formed during extremely hot wildfires or volcanic eruptions, are becoming more common due to rising global temperatures.

• These clouds develop when intense heat from a fire causes surrounding air, carrying water vapor, smoke, and ash, to rise rapidly into the atmosphere.

• As the air cools and condenses, a pyrocumulus cloud forms, which can evolve into a pyrocumulonimbus cloud if conditions are right.

• These towering clouds, which can reach heights of 50,000 feet, generate thunderstorms but little rain,potentially sparking new wildfires and spreading existing ones.

Solution: b)

Statement 2 is incorrect.

Explanation:

Pyrocumulonimbus clouds, formed during extremely hot wildfires or volcanic eruptions, are becoming more common due to rising global temperatures.

• These clouds develop when intense heat from a fire causes surrounding air, carrying water vapor, smoke, and ash, to rise rapidly into the atmosphere.

• As the air cools and condenses, a pyrocumulus cloud forms, which can evolve into a pyrocumulonimbus cloud if conditions are right.

• These towering clouds, which can reach heights of 50,000 feet, generate thunderstorms but little rain,potentially sparking new wildfires and spreading existing ones.

• Question 3 of 5 3. Question Which of the following best describes a waterspout? a) A type of underwater earthquake. b) A calm area in the eye of a storm. c) A rotating column of air and mist over water, similar to a tornado. d) None of the above Correct Solution: c) Recently a tragic incident where a luxury yacht off the coast of Sicily, Italy, sank during a violent storm, is possibly caused by a waterspout. A waterspout is a rotating column of air and mist over water, similar to a tornado but generally weaker. Waterspouts can be either tornadic, associated with severe thunderstorms, or fair-weather, forming during calm conditions. The waterspout that likely caused the sinking is believed to be a tornadic type, which can cause significant destruction. Incorrect Solution: c) Recently a tragic incident where a luxury yacht off the coast of Sicily, Italy, sank during a violent storm, is possibly caused by a waterspout. A waterspout is a rotating column of air and mist over water, similar to a tornado but generally weaker. Waterspouts can be either tornadic, associated with severe thunderstorms, or fair-weather, forming during calm conditions. The waterspout that likely caused the sinking is believed to be a tornadic type, which can cause significant destruction.

#### 3. Question

Which of the following best describes a waterspout?

• a) A type of underwater earthquake.

• b) A calm area in the eye of a storm.

• c) A rotating column of air and mist over water, similar to a tornado.

• d) None of the above

Solution: c)

• Recently a tragic incident where a luxury yacht off the coast of Sicily, Italy, sank during a violent storm, is possibly caused by a waterspout.

• A waterspout is a rotating column of air and mist over water, similar to a tornado but generally weaker.

• Waterspouts can be either tornadic, associated with severe thunderstorms, or fair-weather, forming during calm conditions.

• The waterspout that likely caused the sinking is believed to be a tornadic type, which can cause significant destruction.

Solution: c)

• Recently a tragic incident where a luxury yacht off the coast of Sicily, Italy, sank during a violent storm, is possibly caused by a waterspout.

• A waterspout is a rotating column of air and mist over water, similar to a tornado but generally weaker.

• Waterspouts can be either tornadic, associated with severe thunderstorms, or fair-weather, forming during calm conditions.

• The waterspout that likely caused the sinking is believed to be a tornadic type, which can cause significant destruction.

• Question 4 of 5 4. Question Consider the following statements about waterspouts: Waterspouts are always weaker than tornadoes and pose no significant threat. Tornadic waterspouts are associated with severe thunderstorms and can cause significant destruction. Fair-weather waterspouts are usually weaker and form during calm conditions. How many of the above statements is/are correct? a) Only one b) Only two c) All three d) None Correct Solution: b) Statement 1 is Incorrect: Waterspouts can sometimes be as strong and destructive as tornadoes, particularly tornadic waterspouts, which form in association with severe thunderstorms. Hence, this statement is incorrect. Statement 2 is Correct: Tornadic waterspouts are associated with severe thunderstorms and strong winds, making them capable of causing significant damage similar to tornadoes. Statement 3 is Correct: Fair-weather waterspouts typically form during calm and stable conditions over warm water surfaces. These are generally weaker and less destructive compared to tornadic waterspouts. Incorrect Solution: b) Statement 1 is Incorrect: Waterspouts can sometimes be as strong and destructive as tornadoes, particularly tornadic waterspouts, which form in association with severe thunderstorms. Hence, this statement is incorrect. Statement 2 is Correct: Tornadic waterspouts are associated with severe thunderstorms and strong winds, making them capable of causing significant damage similar to tornadoes. Statement 3 is Correct: Fair-weather waterspouts typically form during calm and stable conditions over warm water surfaces. These are generally weaker and less destructive compared to tornadic waterspouts.

#### 4. Question

Consider the following statements about waterspouts:

• Waterspouts are always weaker than tornadoes and pose no significant threat.

• Tornadic waterspouts are associated with severe thunderstorms and can cause significant destruction.

• Fair-weather waterspouts are usually weaker and form during calm conditions.

How many of the above statements is/are correct?

• a) Only one

• b) Only two

• c) All three

Solution: b)

Statement 1 is Incorrect: Waterspouts can sometimes be as strong and destructive as tornadoes, particularly tornadic waterspouts, which form in association with severe thunderstorms. Hence, this statement is incorrect.

Statement 2 is Correct: Tornadic waterspouts are associated with severe thunderstorms and strong winds, making them capable of causing significant damage similar to tornadoes.

Statement 3 is Correct: Fair-weather waterspouts typically form during calm and stable conditions over warm water surfaces. These are generally weaker and less destructive compared to tornadic waterspouts.

Solution: b)

Statement 2 is Correct: Tornadic waterspouts are associated with severe thunderstorms and strong winds, making them capable of causing significant damage similar to tornadoes.

• Question 5 of 5 5. Question Which of the following factors primarily contribute to mass wasting in Tibet’s Sedongpu Gully, affecting the Brahmaputra River? a) Large-scale deforestation b) Unregulated mining activities c) Overgrazing by livestock d) Warming and seismic activity Correct Solution: d) Mass wasting in Tibet’s Sedongpu Gully, which lies upstream of the Brahmaputra River, has become a significant concern due to frequent landslides triggered primarily by warming and seismic activity. Since 2017, these natural phenomena have contributed to landslides that add millions of cubic meters of debris to the Yarlung Tsangpo River. This debris poses a risk of river choking, leading to potential flash floods downstream in regions such as Assam in India and Bangladesh. While deforestation, overgrazing, and mining can contribute to mass wasting in other regions, the specific case of Sedongpu Gully is predominantly influenced by warming temperatures and seismic activities in the tectonically active Himalayan region. Therefore, option (b) is the correct answer. Incorrect Solution: d) Mass wasting in Tibet’s Sedongpu Gully, which lies upstream of the Brahmaputra River, has become a significant concern due to frequent landslides triggered primarily by warming and seismic activity. Since 2017, these natural phenomena have contributed to landslides that add millions of cubic meters of debris to the Yarlung Tsangpo River. This debris poses a risk of river choking, leading to potential flash floods downstream in regions such as Assam in India and Bangladesh. While deforestation, overgrazing, and mining can contribute to mass wasting in other regions, the specific case of Sedongpu Gully is predominantly influenced by warming temperatures and seismic activities in the tectonically active Himalayan region. Therefore, option (b) is the correct answer.

#### 5. Question

Which of the following factors primarily contribute to mass wasting in Tibet’s Sedongpu Gully, affecting the Brahmaputra River?

• a) Large-scale deforestation

• b) Unregulated mining activities

• c) Overgrazing by livestock

• d) Warming and seismic activity

Solution: d)

• Mass wasting in Tibet’s Sedongpu Gully, which lies upstream of the Brahmaputra River, has become a significant concern due to frequent landslides triggered primarily by warming and seismic activity.

• Since 2017, these natural phenomena have contributed to landslides that add millions of cubic meters of debris to the Yarlung Tsangpo River. This debris poses a risk of river choking, leading to potential flash floods downstream in regions such as Assam in India and Bangladesh.

• While deforestation, overgrazing, and mining can contribute to mass wasting in other regions, the specific case of Sedongpu Gully is predominantly influenced by warming temperatures and seismic activities in the tectonically active Himalayan region. Therefore, option (b) is the correct answer.

Solution: d)

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