UPSC Static Quiz – Environment : 19 December 2025

UPSC Static Quiz – Environment : 19 December 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 Persistent Organic Pollutants (POPs). Persistent Organic Pollutants (POPs) have the property of long-range environmental transport (LRET). Exposure to POPs can lead to cancer and diseases of immune system. As we move up the food chain, concentrations of POPs tend to decrease so that animals at the top of the food chain tend to have the low concentrations of these chemicals. How many of the above statements is/are incorrect? (a) Only one (b) Only two (c) All three (d) None Correct Solution: A Statement 3 is incorrect. Atmospheric long-range transport is today considered as the major distribution pathways for many persistent organic pollutants (POPs). Exposure to POPs can lead to cancer, damage to central & peripheral nervous systems, diseases of immune system, reproductive disorders and interference with normal infant and child development. Uniqueness of POPs: POPs are lipophilic, which means that they accumulate in the fatty tissue of living animals and human beings. In fatty tissue, the concentrations can become magnified by up to 70 000 times higher than the background levels. As you move up the food chain, concentrations of POPs tend to increase so that animals at the top of the food chain such as fish, predatory birds, mammals, and humans tend to have the greatest concentrations of these chemicals. Incorrect Solution: A Statement 3 is incorrect. Atmospheric long-range transport is today considered as the major distribution pathways for many persistent organic pollutants (POPs). Exposure to POPs can lead to cancer, damage to central & peripheral nervous systems, diseases of immune system, reproductive disorders and interference with normal infant and child development. Uniqueness of POPs: POPs are lipophilic, which means that they accumulate in the fatty tissue of living animals and human beings. In fatty tissue, the concentrations can become magnified by up to 70 000 times higher than the background levels. As you move up the food chain, concentrations of POPs tend to increase so that animals at the top of the food chain such as fish, predatory birds, mammals, and humans tend to have the greatest concentrations of these chemicals.

#### 1. Question

Consider the following statements regarding Persistent Organic Pollutants (POPs).

• Persistent Organic Pollutants (POPs) have the property of long-range environmental transport (LRET).

• Exposure to POPs can lead to cancer and diseases of immune system.

• As we move up the food chain, concentrations of POPs tend to decrease so that animals at the top of the food chain tend to have the low concentrations of these chemicals.

How many of the above statements is/are incorrect?

• (a) Only one

• (b) Only two

• (c) All three

Solution: A

Statement 3 is incorrect.

Atmospheric long-range transport is today considered as the major distribution pathways for many persistent organic pollutants (POPs).

Exposure to POPs can lead to cancer, damage to central & peripheral nervous systems, diseases of immune system, reproductive disorders and interference with normal infant and child development.

Uniqueness of POPs:

• POPs are lipophilic, which means that they accumulate in the fatty tissue of living animals and human beings.

• In fatty tissue, the concentrations can become magnified by up to 70 000 times higher than the background levels.

• As you move up the food chain, concentrations of POPs tend to increase so that animals at the top of the food chain such as fish, predatory birds, mammals, and humans tend to have the greatest concentrations of these chemicals.

Solution: A

Statement 3 is incorrect.

Atmospheric long-range transport is today considered as the major distribution pathways for many persistent organic pollutants (POPs).

Exposure to POPs can lead to cancer, damage to central & peripheral nervous systems, diseases of immune system, reproductive disorders and interference with normal infant and child development.

Uniqueness of POPs:

• POPs are lipophilic, which means that they accumulate in the fatty tissue of living animals and human beings.

• In fatty tissue, the concentrations can become magnified by up to 70 000 times higher than the background levels.

• Question 2 of 5 2. Question Consider the following statements. Carbon sinks are natural systems that suck up and store carbon dioxide from the atmosphere. A forest is considered a carbon sink if it absorbs more carbon than it releases. The Earth’s land and oceans absorb about half of all carbon dioxide emissions from human activities. Continental forests store at least ten times more carbon than Mangroves, seagrass beds and salt marshes. Which of the above statements are correct? (a) 1 and 2 only (b) 1, 3, and 4 only (c) 1, 2 and 3 only (d) 1, 2, 3 and 4 Correct Solution: C Statement 4 is incorrect. Carbon sinks are natural systems that suck up and store carbon dioxide from the atmosphere. The Earth’s land and oceans absorb about half of all carbon dioxide emissions from human activities. Mangroves, seagrass beds and salt marshes store at least ten times more carbon than continental forests. Sedimentary rocks in the Earth’s crust contain loads of carbon compounds, including the hydrocarbons we use as fossil fuels that leads to excess carbon dioxide in our atmosphere. A forest is considered a carbon sink if it absorbs more carbon than it releases. Worryingly, the Amazon rainforest is now releasing instead of absorbing carbon dioxide. Incorrect Solution: C Statement 4 is incorrect. Carbon sinks are natural systems that suck up and store carbon dioxide from the atmosphere. The Earth’s land and oceans absorb about half of all carbon dioxide emissions from human activities. Mangroves, seagrass beds and salt marshes store at least ten times more carbon than continental forests. Sedimentary rocks in the Earth’s crust contain loads of carbon compounds, including the hydrocarbons we use as fossil fuels that leads to excess carbon dioxide in our atmosphere. A forest is considered a carbon sink if it absorbs more carbon than it releases. Worryingly, the Amazon rainforest is now releasing instead of absorbing carbon dioxide.

#### 2. Question

Consider the following statements.

• Carbon sinks are natural systems that suck up and store carbon dioxide from the atmosphere.

• A forest is considered a carbon sink if it absorbs more carbon than it releases.

• The Earth’s land and oceans absorb about half of all carbon dioxide emissions from human activities.

• Continental forests store at least ten times more carbon than Mangroves, seagrass beds and salt marshes.

Which of the above statements are correct?

• (a) 1 and 2 only

• (b) 1, 3, and 4 only

• (c) 1, 2 and 3 only

• (d) 1, 2, 3 and 4

Solution: C

Statement 4 is incorrect.

Carbon sinks are natural systems that suck up and store carbon dioxide from the atmosphere. The Earth’s land and oceans absorb about half of all carbon dioxide emissions from human activities.

Mangroves, seagrass beds and salt marshes store at least ten times more carbon than continental forests.

Sedimentary rocks in the Earth’s crust contain loads of carbon compounds, including the hydrocarbons we use as fossil fuels that leads to excess carbon dioxide in our atmosphere.

A forest is considered a carbon sink if it absorbs more carbon than it releases. Worryingly, the Amazon rainforest is now releasing instead of absorbing carbon dioxide.

Solution: C

Statement 4 is incorrect.

Carbon sinks are natural systems that suck up and store carbon dioxide from the atmosphere. The Earth’s land and oceans absorb about half of all carbon dioxide emissions from human activities.

Mangroves, seagrass beds and salt marshes store at least ten times more carbon than continental forests.

Sedimentary rocks in the Earth’s crust contain loads of carbon compounds, including the hydrocarbons we use as fossil fuels that leads to excess carbon dioxide in our atmosphere.

A forest is considered a carbon sink if it absorbs more carbon than it releases. Worryingly, the Amazon rainforest is now releasing instead of absorbing carbon dioxide.

• Question 3 of 5 3. Question Consider the following statements. Carbon sequestration is the process of capturing and storing atmospheric carbon dioxide. Forests and other land vegetation absorbing carbon dioxide during photosynthesis is one of the ways of Carbon sequestration. An area which absorbs more carbon than releases it, is considered as carbon sink. Which of the above statements are correct? (a) 3 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3 Correct Solution: D Carbon sequestration is a crucial part of the global carbon cycle, as it is the process of capturing and storing atmospheric carbon dioxide. One of the ways this happens is when forests and other land vegetation absorb carbon dioxide during photosynthesis. According to a 2014 NASA-led study, tropical forests remove up to 30 per cent of human carbon dioxide emissions from the atmosphere and make for an important carbon sink — an area which absorbs more carbon than releases it. Therefore, they have a significant role in keeping global temperatures low. Incorrect Solution: D Carbon sequestration is a crucial part of the global carbon cycle, as it is the process of capturing and storing atmospheric carbon dioxide. One of the ways this happens is when forests and other land vegetation absorb carbon dioxide during photosynthesis. According to a 2014 NASA-led study, tropical forests remove up to 30 per cent of human carbon dioxide emissions from the atmosphere and make for an important carbon sink — an area which absorbs more carbon than releases it. Therefore, they have a significant role in keeping global temperatures low.

#### 3. Question

Consider the following statements.

• Carbon sequestration is the process of capturing and storing atmospheric carbon dioxide.

• Forests and other land vegetation absorbing carbon dioxide during photosynthesis is one of the ways of Carbon sequestration.

• An area which absorbs more carbon than releases it, is considered as carbon sink.

Which of the above statements are correct?

• (a) 3 only

• (b) 1 and 3 only

• (c) 2 and 3 only

• (d) 1, 2 and 3

Solution: D

Carbon sequestration is a crucial part of the global carbon cycle, as it is the process of capturing and storing atmospheric carbon dioxide. One of the ways this happens is when forests and other land vegetation absorb carbon dioxide during photosynthesis.

According to a 2014 NASA-led study, tropical forests remove up to 30 per cent of human carbon dioxide emissions from the atmosphere and make for an important carbon sink — an area which absorbs more carbon than releases it. Therefore, they have a significant role in keeping global temperatures low.

Solution: D

• Question 4 of 5 4. Question Consider the following statements regarding Community Reserve Community Reserve is established under Environment Protection Act, 1986. Any state government can declare community-owned forest area as “community reserve” if locals are willing to participate in conservation efforts for same. Community reserve receives same legal protection as National Parks and Wildlife Sanctuaries. How many of the above statements is/are incorrect? (a) Only one (b) Only two (c) All three (d) None Correct Solution: A Statement 1 is incorrect. Community Reserves: Conservation reserves and community reserves in India are terms denoting protected areas of India which typically act as buffer zones to or connectors and migration corridors between established national parks, wildlife sanctuaries and reserved and protected forests of India. Such areas are designated as conservation areas if they are uninhabited and completely owned by the Government of India but used for subsistence by communities and community areas if part of the lands are privately owned. These protected area categories were first introduced in the Wildlife (Protection) Amendment Act of 2002 − the amendment to the Wildlife Protection Act of 1972. It enables any state government to declare community-owned forest area as “community reserve” if locals are willing to participate in conservation efforts for same. Under it, community reserve receives same legal protection as National Parks and Wildlife Sanctuaries. Incorrect Solution: A Statement 1 is incorrect. Community Reserves: Conservation reserves and community reserves in India are terms denoting protected areas of India which typically act as buffer zones to or connectors and migration corridors between established national parks, wildlife sanctuaries and reserved and protected forests of India. Such areas are designated as conservation areas if they are uninhabited and completely owned by the Government of India but used for subsistence by communities and community areas if part of the lands are privately owned. These protected area categories were first introduced in the Wildlife (Protection) Amendment Act of 2002 − the amendment to the Wildlife Protection Act of 1972. It enables any state government to declare community-owned forest area as “community reserve” if locals are willing to participate in conservation efforts for same. Under it, community reserve receives same legal protection as National Parks and Wildlife Sanctuaries.

#### 4. Question

Consider the following statements regarding Community Reserve

• Community Reserve is established under Environment Protection Act, 1986.

• Any state government can declare community-owned forest area as “community reserve” if locals are willing to participate in conservation efforts for same.

• Community reserve receives same legal protection as National Parks and Wildlife Sanctuaries.

How many of the above statements is/are incorrect?

• (a) Only one

• (b) Only two

• (c) All three

Solution: A

Statement 1 is incorrect.

Community Reserves:

• Conservation reserves and community reserves in India are terms denoting protected areas of India which typically act as buffer zones to or connectors and migration corridors between established national parks, wildlife sanctuaries and reserved and protected forests of India.

• Such areas are designated as conservation areas if they are uninhabited and completely owned by the Government of India but used for subsistence by communities and community areas if part of the lands are privately owned.

• These protected area categories were first introduced in the Wildlife (Protection) Amendment Act of 2002 − the amendment to the Wildlife Protection Act of 1972.

• It enables any state government to declare community-owned forest area as “community reserve” if locals are willing to participate in conservation efforts for same.

• Under it, community reserve receives same legal protection as National Parks and Wildlife Sanctuaries.

Solution: A

Statement 1 is incorrect.

Community Reserves:

• These protected area categories were first introduced in the Wildlife (Protection) Amendment Act of 2002 − the amendment to the Wildlife Protection Act of 1972.

• It enables any state government to declare community-owned forest area as “community reserve” if locals are willing to participate in conservation efforts for same.

• Under it, community reserve receives same legal protection as National Parks and Wildlife Sanctuaries.

• Question 5 of 5 5. Question Consider the following statements regarding Reserved Forests. The term Reserved Forest was first introduced in the Environment (Protection) Act, 1986. These are constituted by the State Government Generally, In reserved forests local people are prohibited for settlement. Which of the above statements are correct? (a) 3 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3 Correct Solution: C Reserved Forests: Reserve forests are the most restricted forests and are constituted by the State Government on any forest land or wasteland which is the property of the Government. In reserved forests, local people are prohibited, unless specifically allowed by a Forest Officer in the course of the settlement. The term was first introduced in the Indian Forest Act, 1927 in British India, to refer to certain forests granted protection under the British crown in British India, but not associated suzerainty. Incorrect Solution: C Reserved Forests: Reserve forests are the most restricted forests and are constituted by the State Government on any forest land or wasteland which is the property of the Government. In reserved forests, local people are prohibited, unless specifically allowed by a Forest Officer in the course of the settlement. The term was first introduced in the Indian Forest Act, 1927 in British India, to refer to certain forests granted protection under the British crown in British India, but not associated suzerainty.

#### 5. Question

Consider the following statements regarding Reserved Forests.

• The term Reserved Forest was first introduced in the Environment (Protection) Act, 1986.

• These are constituted by the State Government

• Generally, In reserved forests local people are prohibited for settlement.

Which of the above statements are correct?

• (a) 3 only

• (b) 1 and 3 only

• (c) 2 and 3 only

• (d) 1, 2 and 3

Solution: C

Reserved Forests:

Reserve forests are the most restricted forests and are constituted by the State Government on any forest land or wasteland which is the property of the Government.

In reserved forests, local people are prohibited, unless specifically allowed by a Forest Officer in the course of the settlement.

The term was first introduced in the Indian Forest Act, 1927 in British India, to refer to certain forests granted protection under the British crown in British India, but not associated suzerainty.

Solution: C

Reserved Forests:

Reserve forests are the most restricted forests and are constituted by the State Government on any forest land or wasteland which is the property of the Government.

In reserved forests, local people are prohibited, unless specifically allowed by a Forest Officer in the course of the settlement.

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