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Question (31)

QN0021266

A village restores 80 hectares of land each year. How much land is restored in 4 years?

(A) 280 hectares
(B) 300 hectares
(C) 320 hectares
(D) 340 hectares

Correct Answer: C

Explanation:

80 × 4 = 320 hectares.

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Question (32)

QN0021267

Which action best protects biodiversity?

(A) Conserving natural habitats
(B) Removing all vegetation
(C) Excessive hunting
(D) Uncontrolled mining

Correct Answer: A

Explanation:

Habitat conservation protects biodiversity.

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Question (33)

QN0021268

A conservation programme reduces waste generation from 2,000 kg to 1,600 kg. What percentage reduction occurred?

(A) 15%
(B) 18%
(C) 20%
(D) 25%

Correct Answer: C

Explanation:

400 ÷ 2,000 × 100 = 20%.

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Question (34)

QN0021269

Which of the following is an example of stewardship in agriculture?

(A) Soil conservation practices
(B) Excessive chemical use
(C) Continuous overgrazing
(D) Removal of all vegetation

Correct Answer: A

Explanation:

Soil conservation helps maintain agricultural productivity.

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Question (35)

QN0021270

A watershed project increases groundwater recharge from 500 units to 650 units. What is the increase?

(A) 100 units
(B) 120 units
(C) 150 units
(D) 180 units

Correct Answer: C

Explanation:

650 − 500 = 150 units.

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Question (36)

QN0021271

Stewardship views humans primarily as:

(A) Owners with unlimited rights
(B) Responsible caretakers of nature
(C) Resource exploiters
(D) Industrial managers only

Correct Answer: B

Explanation:

Stewardship emphasizes responsible care of nature.

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Question (37)

QN0021272

A protected forest contains 4,500 trees. If conservation efforts increase the number by 10%, how many trees are added?

(A) 350
(B) 400
(C) 450
(D) 500

Correct Answer: C

Explanation:

10% of 4,500 = 450 trees.

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Question (38)

QN0021273

Which outcome is most likely when stewardship principles are followed?

(A) Long-term environmental health
(B) Rapid resource depletion
(C) Increased pollution
(D) Habitat destruction

Correct Answer: A

Explanation:

Stewardship promotes long-term environmental health.

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Question (39)

QN0021274

A city reduces daily waste from 12 tonnes to 9 tonnes. What is the percentage decrease?

(A) 20%
(B) 25%
(C) 30%
(D) 35%

Correct Answer: B

Explanation:

3 ÷ 12 × 100 = 25%.

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Question (40)

QN0021275

Why is stewardship considered essential for sustainable development?

(A) It balances human needs with environmental protection
(B) It encourages unlimited resource use
(C) It promotes resource exhaustion
(D) It discourages conservation

Correct Answer: A

Explanation:

Sustainable development requires balancing human needs and environmental protection.

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Question (31)

A village restores 80 hectares of land each year. How much land is restored in 4 years?

Explanation:

Link:

Question (32)

Which action best protects biodiversity?

Explanation:

Link:

Question (33)

A conservation programme reduces waste generation from 2,000 kg to 1,600 kg. What percentage reduction occurred?

Explanation:

Link:

Question (34)

Which of the following is an example of stewardship in agriculture?

Explanation:

Link:

Question (35)

A watershed project increases groundwater recharge from 500 units to 650 units. What is the increase?

Explanation:

Link:

Question (36)

Stewardship views humans primarily as:

Explanation:

Link:

Question (37)

A protected forest contains 4,500 trees. If conservation efforts increase the number by 10%, how many trees are added?

Explanation:

Link:

Question (38)

Which outcome is most likely when stewardship principles are followed?

Explanation:

Link:

Question (39)

A city reduces daily waste from 12 tonnes to 9 tonnes. What is the percentage decrease?

Explanation:

Link:

Question (40)

Why is stewardship considered essential for sustainable development?

Explanation:

Link:

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