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Question (21)

QN0021256

A town reduces electricity consumption from 5,000 units to 4,250 units. How many units are saved?

(A) 650
(B) 700
(C) 750
(D) 800

Correct Answer: C

Explanation:

5,000 − 4,250 = 750 units.

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Question (22)

QN0021257

Which activity helps conserve soil resources?

(A) Deforestation
(B) Contour farming
(C) Excessive mining
(D) Overgrazing

Correct Answer: B

Explanation:

Contour farming reduces soil erosion.

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Question (23)

QN0021258

A protected area increases from 120 km² to 150 km². What is the increase in area?

(A) 20 km²
(B) 25 km²
(C) 30 km²
(D) 35 km²

Correct Answer: C

Explanation:

150 − 120 = 30 km².

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Question (24)

QN0021259

Why is stewardship important for future generations?

(A) It ensures resources remain available
(B) It increases resource depletion
(C) It eliminates conservation efforts
(D) It prevents all development

Correct Answer: A

Explanation:

Stewardship preserves resources for the future.

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Question (25)

QN0021260

A community saves 90 litres of water daily. Over 30 days, how much water is saved?

(A) 2,500 litres
(B) 2,700 litres
(C) 2,900 litres
(D) 3,000 litres

Correct Answer: B

Explanation:

90 × 30 = 2,700 litres.

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Question (26)

QN0021261

Which of the following reflects environmental responsibility?

(A) Protecting ecosystems
(B) Destroying habitats
(C) Overusing groundwater
(D) Polluting rivers

Correct Answer: A

Explanation:

Ecosystem protection is environmentally responsible.

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Question (27)

QN0021262

A forest area grows from 2,400 hectares to 2,760 hectares after restoration. What is the increase?

(A) 300 hectares
(B) 320 hectares
(C) 340 hectares
(D) 360 hectares

Correct Answer: D

Explanation:

2,760 − 2,400 = 360 hectares.

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Question (28)

QN0021263

Stewardship encourages the use of renewable resources at a rate that:

(A) Exceeds regeneration
(B) Matches or stays below regeneration
(C) Ignores regeneration
(D) Stops regeneration

Correct Answer: B

Explanation:

Use should not exceed the regeneration rate.

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Question (29)

QN0021264

A school collects 1,200 plastic bottles and recycles 900. What percentage is recycled?

(A) 70%
(B) 75%
(C) 80%
(D) 85%

Correct Answer: B

Explanation:

900 ÷ 1,200 × 100 = 75%.

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Question (30)

QN0021265

Which principle is central to stewardship?

(A) Unlimited consumption
(B) Responsible management
(C) Resource depletion
(D) Maximum extraction

Correct Answer: B

Explanation:

Responsible management is the core principle of stewardship.

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Question (21)

A town reduces electricity consumption from 5,000 units to 4,250 units. How many units are saved?

Explanation:

Link:

Question (22)

Which activity helps conserve soil resources?

Explanation:

Link:

Question (23)

A protected area increases from 120 km² to 150 km². What is the increase in area?

Explanation:

Link:

Question (24)

Why is stewardship important for future generations?

Explanation:

Link:

Question (25)

A community saves 90 litres of water daily. Over 30 days, how much water is saved?

Explanation:

Link:

Question (26)

Which of the following reflects environmental responsibility?

Explanation:

Link:

Question (27)

A forest area grows from 2,400 hectares to 2,760 hectares after restoration. What is the increase?

Explanation:

Link:

Question (28)

Stewardship encourages the use of renewable resources at a rate that:

Explanation:

Link:

Question (29)

A school collects 1,200 plastic bottles and recycles 900. What percentage is recycled?

Explanation:

Link:

Question (30)

Which principle is central to stewardship?

Explanation:

Link:

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