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Question (11)

QN0029623

A state plans to replace a part of its electricity generated from coal with solar power. What would be the greatest long-term benefit of this decision?

(A) Coal reserves will regenerate naturally.
(B) Dependence on non-renewable resources will decrease.
(C) Solar energy will produce fossil fuels.
(D) Mineral reserves will increase automatically.

Correct Answer: B

Explanation:

Solar energy is renewable and helps conserve limited coal reserves by reducing dependence on fossil fuels.

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Question (12)

QN0029624

A farmer follows crop rotation, uses compost, and avoids excessive chemical fertilisers. Which natural resource is being protected the most?

(A) Petroleum
(B) Soil
(C) Iron ore
(D) Natural gas

Correct Answer: B

Explanation:

These traditional farming practices improve soil fertility and prevent soil degradation.

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Question (13)

QN0029625

A cement factory installs pollution-control equipment according to government guidelines. Which impact is most likely?

(A) Increase in soil erosion
(B) Reduction in air and environmental pollution
(C) Increase in extraction of groundwater
(D) Faster depletion of limestone reserves

Correct Answer: B

Explanation:

Pollution-control equipment reduces the release of harmful dust and pollutants into the environment.

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Question (14)

QN0029626

Which of the following best explains why natural resources are unevenly distributed across different regions?

(A) Every region has the same geological history.
(B) Natural processes and geological conditions differ from place to place.
(C) Governments decide where minerals should naturally occur.
(D) Human beings create all natural resources.

Correct Answer: B

Explanation:

Differences in geological structure and climatic conditions lead to uneven distribution of natural resources.

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Question (15)

QN0029627

A village had 800 hectares of forest. Due to excessive cutting, 200 hectares were lost. Later, an afforestation programme restored 120 hectares. What is the present forest area?

(A) 600 hectares
(B) 680 hectares
(C) 720 hectares
(D) 800 hectares

Correct Answer: C

Explanation:

Present forest area = 800 − 200 + 120 = 720 hectares.

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Question (16)

QN0029628

Which of the following best demonstrates the idea of stewardship of natural resources?

(A) Using as many resources as possible for quick profits.
(B) Conserving resources so that present and future generations can benefit.
(C) Extracting all available minerals before they are exhausted.
(D) Ignoring environmental impacts during development.

Correct Answer: B

Explanation:

Stewardship means responsible and sustainable management of natural resources for long-term wellbeing.

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Question (17)

QN0029629

The success of organic farming in Sikkim mainly shows that

(A) chemical fertilisers always increase biodiversity.
(B) sustainable farming can improve both the environment and farmers' incomes.
(C) organic farming cannot be practised on a large scale.
(D) biodiversity decreases after shifting to organic farming.

Correct Answer: B

Explanation:

Sikkim's organic farming improved biodiversity while increasing farmers' incomes.

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Question (18)

QN0029630

Which pair correctly matches a resource with its category?

(A) Coal – Renewable resource
(B) Wind – Non-renewable resource
(C) Sunlight – Renewable resource
(D) Petroleum – Perpetually available resource

Correct Answer: C

Explanation:

Sunlight is naturally replenished and is therefore a renewable resource.

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Question (19)

QN0029631

A city's daily groundwater recharge is 120 million litres, while daily extraction is 180 million litres. If this pattern continues, what is the daily groundwater deficit?

(A) 20 million litres
(B) 40 million litres
(C) 60 million litres
(D) 120 million litres

Correct Answer: C

Explanation:

Daily groundwater deficit = 180 − 120 = 60 million litres.

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Question (20)

QN0029632

Which of the following actions would best support the chapter's idea of a regenerative economy?

(A) Increasing the use of single-use plastics.
(B) Recycling materials, minimising waste, and replenishing natural resources.
(C) Extracting minerals without restoring mined areas.
(D) Depending only on fossil fuels for future development.

Correct Answer: B

Explanation:

A regenerative economy reduces waste, reuses resources, and restores ecosystems to maintain ecological balance.

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Question (11)

A state plans to replace a part of its electricity generated from coal with solar power. What would be the greatest long-term benefit of this decision?

Explanation:

Link:

Question (12)

A farmer follows crop rotation, uses compost, and avoids excessive chemical fertilisers. Which natural resource is being protected the most?

Explanation:

Link:

Question (13)

A cement factory installs pollution-control equipment according to government guidelines. Which impact is most likely?

Explanation:

Link:

Question (14)

Which of the following best explains why natural resources are unevenly distributed across different regions?

Explanation:

Link:

Question (15)

A village had 800 hectares of forest. Due to excessive cutting, 200 hectares were lost. Later, an afforestation programme restored 120 hectares. What is the present forest area?

Explanation:

Link:

Question (16)

Which of the following best demonstrates the idea of stewardship of natural resources?

Explanation:

Link:

Question (17)

The success of organic farming in Sikkim mainly shows that

Explanation:

Link:

Question (18)

Which pair correctly matches a resource with its category?

Explanation:

Link:

Question (19)

A city's daily groundwater recharge is 120 million litres, while daily extraction is 180 million litres. If this pattern continues, what is the daily groundwater deficit?

Explanation:

Link:

Question (20)

Which of the following actions would best support the chapter's idea of a regenerative economy?

Explanation:

Link:

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