EWT | Academic Question

Questions
Question (1)
QN0029613
A village has a dense forest. Every year, villagers cut only as many trees as naturally grow back. Which principle of natural resource use does this best demonstrate?
  • (A) Resource curse
  • (B) Sustainable regeneration of renewable resources
  • (C) Overexploitation of resources
  • (D) Dependence on non-renewable resources

Correct Answer: B
Explanation:

Renewable resources remain available when they are used only at the rate at which they naturally regenerate.

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Question (2)
QN0029614
A company discovers petroleum deep below the sea, but current technology cannot extract it economically. According to the chapter, this petroleum is best considered as
  • (A) a renewable resource
  • (B) not yet a usable resource
  • (C) a manufactured resource
  • (D) an unlimited resource

Correct Answer: B
Explanation:

A natural substance becomes a resource only when it is technologically accessible, economically feasible, and culturally acceptable.

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Question (3)
QN0029615
A district receives abundant rainfall. However, due to large-scale deforestation, rivers begin drying up during summer. Which statement best explains this situation?
  • (A) Rainfall has completely stopped.
  • (B) Forests play an important role in maintaining Nature's regeneration cycle.
  • (C) Rivers are non-renewable resources.
  • (D) Trees consume all river water.

Correct Answer: B
Explanation:

Forests help maintain the water cycle and support Nature's restoration and regeneration processes.

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Question (4)
QN0029616
A factory produces furniture using timber from forests. Which of the following resources is directly converted into a material resource?
  • (A) Wind
  • (B) Timber
  • (C) Sunlight
  • (D) River water

Correct Answer: B
Explanation:

Timber is a natural resource used to manufacture materials such as furniture.

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Question (5)
QN0029617
A mature tree produces about 275 litres of oxygen daily. If a person requires about 350 litres of oxygen per day, approximately how many such trees are needed to meet one person's daily oxygen requirement?
  • (A) 1 tree
  • (B) 2 trees
  • (C) 3 trees
  • (D) 4 trees

Correct Answer: B
Explanation:

350 ÷ 275 ≈ 1.27, so at least 2 mature trees are required.

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Question (6)
QN0029618
Which of the following situations is the best example of the natural resource curse?
  • (A) A mineral-rich region develops many manufacturing industries.
  • (B) A country exports raw minerals but fails to develop industries that add value to them.
  • (C) Farmers shift to organic farming.
  • (D) A state increases its forest cover.

Correct Answer: B
Explanation:

The resource curse occurs when abundant natural resources do not result in economic prosperity because value-added industries are lacking.

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Question (7)
QN0029619
A mining project creates jobs but also forces local communities to leave their homes and threatens their sacred sites. Which conclusion best reflects the chapter?
  • (A) Resource extraction always brings only benefits.
  • (B) Economic development should ignore social concerns.
  • (C) Resource development should balance economic gains with social and environmental impacts.
  • (D) Mining should never be allowed.

Correct Answer: C
Explanation:

Sustainable development requires balancing economic growth with environmental conservation and social welfare.

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Question (8)
QN0029620
A town depends mainly on electricity generated from coal. To conserve non-renewable resources, which action would be most appropriate?
  • (A) Increase coal consumption every year.
  • (B) Shift gradually to solar and wind energy.
  • (C) Stop producing electricity completely.
  • (D) Use more diesel generators.

Correct Answer: B
Explanation:

Renewable energy sources reduce dependence on limited fossil fuel reserves.

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Question (9)
QN0029621
A farmer continuously grows water-intensive crops and pumps groundwater faster than it is naturally replenished. Which long-term outcome is most likely?
  • (A) Groundwater levels will rise.
  • (B) Water extraction will become easier every year.
  • (C) Groundwater will gradually become unavailable.
  • (D) Rainfall will permanently increase.

Correct Answer: C
Explanation:

Continuous over-extraction lowers the groundwater table, leading to depletion.

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Question (10)
QN0029622
Two neighbouring states depend on the same river for irrigation and drinking water. According to the chapter, the most appropriate way to manage this shared resource is
  • (A) allow the upstream state to use all the water first
  • (B) stop using the river completely
  • (C) negotiate fair sharing through cooperation and good management
  • (D) divert the river entirely into one state

Correct Answer: C
Explanation:

Shared natural resources should be managed through cooperation, negotiations, and equitable sharing.

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