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Question (21)

QN0025512

Scientific studies have shown that oceans are polluted mainly due to:

(A) Natural tides
(B) Human activities
(C) Moonlight
(D) Ocean currents

Correct Answer: B

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Question (22)

QN0025513

Every year, several million tonnes of ______ are thrown into oceans.

(A) Sand
(B) Plastic waste
(C) Gold
(D) Salt

Correct Answer: B

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Question (23)

QN0025514

Plastic waste in oceans mainly harms:

(A) Marine life
(B) Mountains
(C) Rivers only
(D) Deserts

Correct Answer: A

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Question (24)

QN0025515

Which of the following is an example of marine fauna?

(A) Wheat
(B) Mango tree
(C) Dolphin
(D) Banyan tree

Correct Answer: C

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Question (25)

QN0025516

Which of the following is an example of marine flora?

(A) Algae
(B) Tiger
(C) Whale
(D) Penguin

Correct Answer: A

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Question (26)

QN0025517

Overfishing means:

(A) Fishing only during summer
(B) Fishing in deep oceans
(C) Excessive fishing
(D) Fishing with large boats

Correct Answer: C

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Question (27)

QN0025518

Overfishing is a cause of:

(A) Increase in marine life
(B) Decline in marine life
(C) Formation of islands
(D) Increase in rainfall

Correct Answer: B

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Question (28)

QN0025519

If marine life declines due to overfishing, which ocean resource is being used unsustainably?

(A) Fish populations
(B) Ocean currents
(C) Waves
(D) Rainfall

Correct Answer: A

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Question (29)

QN0025520

Which statement best reflects the chapter’s view on ocean conservation?

(A) Only coastal people should protect oceans
(B) Governments alone are responsible
(C) Protection of oceans is a collective responsibility
(D) Oceans do not need protection

Correct Answer: C

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Question (30)

QN0025521

If ocean pollution continues to increase, which is the most likely consequence?

(A) Healthier marine ecosystems
(B) Threat to the marine environment
(C) Increased oxygen production automatically
(D) More continents will form

Correct Answer: B

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Question (21)

Scientific studies have shown that oceans are polluted mainly due to:

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Question (22)

Every year, several million tonnes of ______ are thrown into oceans.

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Question (23)

Plastic waste in oceans mainly harms:

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Question (24)

Which of the following is an example of marine fauna?

Explanation:

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Question (25)

Which of the following is an example of marine flora?

Explanation:

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Question (26)

Overfishing means:

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Question (27)

Overfishing is a cause of:

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Question (28)

If marine life declines due to overfishing, which ocean resource is being used unsustainably?

Explanation:

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Question (29)

Which statement best reflects the chapter’s view on ocean conservation?

Explanation:

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Question (30)

If ocean pollution continues to increase, which is the most likely consequence?

Explanation:

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