UPSC Static Quiz – Environment : 7 January 2025

UPSC Static Quiz – Environment : 7 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 Consider the following statements regarding Sargasso Sea. The Sargasso Sea is located entirely within the Pacific Ocean. It is bounded by four ocean currents forming an ocean gyre. It is the only sea without a land boundary. Which of the above statements is/are correct? a) 1 only b) 1 and 3 only c) 1, 2 and 3 d) 2 and 3 only Correct Solution: d) The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary. It is bounded by four ocean currents forming an ocean gyre. It is distinguished from other parts of the Atlantic Ocean by its characteristic brown Sargassum seaweed and often calm blue water. The sea is bounded on the west by the Gulf Stream, on the north by the North Atlantic Current, on the east by the Canary Current, and on the south by the North Atlantic Equatorial Current, the four together forming a clockwise-circulating system of ocean currents termed the North Atlantic Gyre. Incorrect Solution: d) The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary. It is bounded by four ocean currents forming an ocean gyre. It is distinguished from other parts of the Atlantic Ocean by its characteristic brown Sargassum seaweed and often calm blue water. The sea is bounded on the west by the Gulf Stream, on the north by the North Atlantic Current, on the east by the Canary Current, and on the south by the North Atlantic Equatorial Current, the four together forming a clockwise-circulating system of ocean currents termed the North Atlantic Gyre.

#### 1. Question

Consider the following statements regarding Sargasso Sea.

• The Sargasso Sea is located entirely within the Pacific Ocean.

• It is bounded by four ocean currents forming an ocean gyre.

• It is the only sea without a land boundary.

Which of the above statements is/are correct?

• b) 1 and 3 only

• c) 1, 2 and 3

• d) 2 and 3 only

Solution: d)

The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary. It is bounded by four ocean currents forming an ocean gyre.

It is distinguished from other parts of the Atlantic Ocean by its characteristic brown Sargassum seaweed and often calm blue water.

The sea is bounded on the west by the Gulf Stream, on the north by the North Atlantic Current, on the east by the Canary Current, and on the south by the North Atlantic Equatorial Current, the four together forming a clockwise-circulating system of ocean currents termed the North Atlantic Gyre.

Solution: d)

The Sargasso Sea, located entirely within the Atlantic Ocean, is the only sea without a land boundary. It is bounded by four ocean currents forming an ocean gyre.

It is distinguished from other parts of the Atlantic Ocean by its characteristic brown Sargassum seaweed and often calm blue water.

• Question 2 of 5 2. Question Consider the following statements. Humans gain heat within their body by producing sweat that evaporates on the skin. Humidity in the environment makes it conducive to regulate body temperature. Dehydration will lead to rapid increase in sweat production. How many of the above statements are incorrect? a) Only one b) Only two c) All three d) None Correct Solution: c) Humans lose heat generated within their body by producing sweat that evaporates on the skin. The cooling effect of this evaporation is essential in maintaining a stable body temperature. As humidity rises, sweat does not evaporate —just like clothes take a long time to dry in humid locations – and makes it difficult to regulate body temperature. This is why we feel more discomfort in humid places. Dehydration can lead to decreased sweat production and therefore increased vulnerability to heat stroke during heatwaves. Incorrect Solution: c) Humans lose heat generated within their body by producing sweat that evaporates on the skin. The cooling effect of this evaporation is essential in maintaining a stable body temperature. As humidity rises, sweat does not evaporate —just like clothes take a long time to dry in humid locations – and makes it difficult to regulate body temperature. This is why we feel more discomfort in humid places. Dehydration can lead to decreased sweat production and therefore increased vulnerability to heat stroke during heatwaves.

#### 2. Question

Consider the following statements.

• Humans gain heat within their body by producing sweat that evaporates on the skin.

• Humidity in the environment makes it conducive to regulate body temperature.

• Dehydration will lead to rapid increase in sweat production.

How many of the above statements are incorrect?

• a) Only one

• b) Only two

• c) All three

Solution: c)

Humans lose heat generated within their body by producing sweat that evaporates on the skin. The cooling effect of this evaporation is essential in maintaining a stable body temperature. As humidity rises, sweat does not evaporate —just like clothes take a long time to dry in humid locations – and makes it difficult to regulate body temperature. This is why we feel more discomfort in humid places.

Dehydration can lead to decreased sweat production and therefore increased vulnerability to heat stroke during heatwaves.

Solution: c)

Dehydration can lead to decreased sweat production and therefore increased vulnerability to heat stroke during heatwaves.

• Question 3 of 5 3. Question Consider the following statements regarding Carbon capture and storage (CCS) Carbon capture and storage (CCS) involves complete removal of carbon dioxide from the atmosphere. The technology is beneficial for the emissions that are hard to wipe out. The technology is used for fossil fuel plants and not for bioethanol plants. Which of the above statements is/are correct? a) 2 only b) 1 and 3 only c) 2 and 3 only d) 1, 2 and 3 Correct Solution: a) Carbon capture and storage (CCS) is a way to catch carbon and trap it beneath the earth. It is different to carbon dioxide removal (CDR) — where carbon is sucked out of the atmosphere — although some of the technologies overlap. The key difference is that CDR brings down the level of carbon dioxide in the atmosphere, cooling the planet, while CCS in fossil fuel plants and factories prevents the gas from getting out in the first place. In its latest review of scientific research, the Intergovernmental Panel on Climate Change (IPCC) found both options will be needed for emissions that are hard to wipe out. Some bioethanol plants, where the gas stream is pure, already report capturing more than 95% of the carbon emissions. Incorrect Solution: a) Carbon capture and storage (CCS) is a way to catch carbon and trap it beneath the earth. It is different to carbon dioxide removal (CDR) — where carbon is sucked out of the atmosphere — although some of the technologies overlap. The key difference is that CDR brings down the level of carbon dioxide in the atmosphere, cooling the planet, while CCS in fossil fuel plants and factories prevents the gas from getting out in the first place. In its latest review of scientific research, the Intergovernmental Panel on Climate Change (IPCC) found both options will be needed for emissions that are hard to wipe out. Some bioethanol plants, where the gas stream is pure, already report capturing more than 95% of the carbon emissions.

#### 3. Question

Consider the following statements regarding Carbon capture and storage (CCS)

• Carbon capture and storage (CCS) involves complete removal of carbon dioxide from the atmosphere.

• The technology is beneficial for the emissions that are hard to wipe out.

• The technology is used for fossil fuel plants and not for bioethanol plants.

Which of the above statements is/are correct?

• b) 1 and 3 only

• c) 2 and 3 only

• d) 1, 2 and 3

Solution: a)

Carbon capture and storage (CCS) is a way to catch carbon and trap it beneath the earth. It is different to carbon dioxide removal (CDR) — where carbon is sucked out of the atmosphere — although some of the technologies overlap. The key difference is that CDR brings down the level of carbon dioxide in the atmosphere, cooling the planet, while CCS in fossil fuel plants and factories prevents the gas from getting out in the first place.

In its latest review of scientific research, the Intergovernmental Panel on Climate Change (IPCC) found both

options will be needed for emissions that are hard to wipe out.

Some bioethanol plants, where the gas stream is pure, already report capturing more than 95% of the carbon emissions.

Solution: a)

In its latest review of scientific research, the Intergovernmental Panel on Climate Change (IPCC) found both

options will be needed for emissions that are hard to wipe out.

Some bioethanol plants, where the gas stream is pure, already report capturing more than 95% of the carbon emissions.

• Question 4 of 5 4. Question Consider the following statements. Net zero emissions means that all carbon emissions into the atmosphere must be absorbed by methods like increasing the forest cover, and decreasing man-made emissions. Any oil or gas project that will result in at least a billion tonnes of CO2 emissions over its lifetime can be called as carbon bombs. Which of the above statements is/are correct? a) 1 only b) 2 only c) Both 1 and 2 d) Neither 1 nor 2 Correct Solution: c) What are carbon bombs? Defining the term in its report, The Guardian said that it is “an oil or gas project that will result in at least a billion tonnes of CO2 emissions over its lifetime.” Whenever coal, oil, or gas is extracted it results in pollution and environmental degradation. Further, carbon emissions take place in particularly large amounts when fuel is burned. Net zero emissions means that all carbon emissions into the atmosphere must be absorbed by methods like increasing the forest cover, and decreasing man-made emissions. Incorrect Solution: c) What are carbon bombs? Defining the term in its report, The Guardian said that it is “an oil or gas project that will result in at least a billion tonnes of CO2 emissions over its lifetime.” Whenever coal, oil, or gas is extracted it results in pollution and environmental degradation. Further, carbon emissions take place in particularly large amounts when fuel is burned. Net zero emissions means that all carbon emissions into the atmosphere must be absorbed by methods like increasing the forest cover, and decreasing man-made emissions.

#### 4. Question

Consider the following statements.

• Net zero emissions means that all carbon emissions into the atmosphere must be absorbed by methods like increasing the forest cover, and decreasing man-made emissions.

• Any oil or gas project that will result in at least a billion tonnes of CO2 emissions over its lifetime can be called as carbon bombs.

Which of the above statements is/are correct?

• c) Both 1 and 2

• d) Neither 1 nor 2

Solution: c)

What are carbon bombs?

Defining the term in its report, The Guardian said that it is “an oil or gas project that will result in at least a billion tonnes of CO2 emissions over its lifetime.”

Whenever coal, oil, or gas is extracted it results in pollution and environmental degradation. Further, carbon emissions take place in particularly large amounts when fuel is burned.

Net zero emissions means that all carbon emissions into the atmosphere must be absorbed by methods like increasing the forest cover, and decreasing man-made emissions.

Solution: c)

What are carbon bombs?

Defining the term in its report, The Guardian said that it is “an oil or gas project that will result in at least a billion tonnes of CO2 emissions over its lifetime.”

Whenever coal, oil, or gas is extracted it results in pollution and environmental degradation. Further, carbon emissions take place in particularly large amounts when fuel is burned.

Net zero emissions means that all carbon emissions into the atmosphere must be absorbed by methods like increasing the forest cover, and decreasing man-made emissions.

• Question 5 of 5 5. Question Consider the following statements regarding Methane emissions. Over a 20-year period, methane is less potent at global warming than carbon dioxide. Methane is one of the primary contributors to the formation of ground-level ozone. Carbon dioxide remains in the atmosphere for much longer than methane. 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. Methane is one of the main drivers of climate change, responsible for 30 per cent of the warming since preindustrial times, second only to carbon dioxide. Over a 20-year period, methane is 80 times more potent at warming than carbon dioxide, according to a report by the United Nations Environment Programme. It’s also the primary contributor to the formation of ground-level ozone, a colourless and highly irritating gas that forms just above the Earth’s surface. While carbon dioxide remains in the atmosphere for much longer than methane, methane is roughly 25 times more powerful at trapping heat in the atmosphere, and has an important short-term influence on the rate of climate change. Incorrect Solution: b) Statement 1 is incorrect. Methane is one of the main drivers of climate change, responsible for 30 per cent of the warming since preindustrial times, second only to carbon dioxide. Over a 20-year period, methane is 80 times more potent at warming than carbon dioxide, according to a report by the United Nations Environment Programme. It’s also the primary contributor to the formation of ground-level ozone, a colourless and highly irritating gas that forms just above the Earth’s surface. While carbon dioxide remains in the atmosphere for much longer than methane, methane is roughly 25 times more powerful at trapping heat in the atmosphere, and has an important short-term influence on the rate of climate change.

#### 5. Question

Consider the following statements regarding Methane emissions.

• Over a 20-year period, methane is less potent at global warming than carbon dioxide.

• Methane is one of the primary contributors to the formation of ground-level ozone.

• Carbon dioxide remains in the atmosphere for much longer than methane.

How many of the above statements is/are correct?

• a) Only one

• b) Only two

• c) All three

Solution: b)

Statement 1 is incorrect.

Methane is one of the main drivers of climate change, responsible for 30 per cent of the warming since preindustrial times, second only to carbon dioxide. Over a 20-year period, methane is 80 times more potent at warming than carbon dioxide, according to a report by the United Nations Environment Programme.

It’s also the primary contributor to the formation of ground-level ozone, a colourless and highly irritating gas that forms just above the Earth’s surface.

While carbon dioxide remains in the atmosphere for much longer than methane, methane is roughly 25 times more powerful at trapping heat in the atmosphere, and has an important short-term influence on the rate of climate change.

Solution: b)

Statement 1 is incorrect.

It’s also the primary contributor to the formation of ground-level ozone, a colourless and highly irritating gas that forms just above the Earth’s surface.

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