Question

[125]. Passage:

River dolphins, blind and navigating by sound, reveal the health of a river more honestly than any single chemical test. When boats, nets and pollution fill their habitat with noise and poison, dolphins vanish first, long before humans notice the river's decline. Protecting them therefore means protecting flow, depth and quiet stretches of water, not merely counting animals. A river that can still host dolphins is a river that can still support fishing, farming and drinking water for people downstream. Which detail about river dolphins does the passage emphasise?

1.
A detail the passage explicitly rejects
2.
An unrelated historical fact
3.
Protecting flow, depth and quiet protects dolphins and people
4.
A claim about a different subject
Answer (Detailed Solution Below)

Option 3 : Protecting flow, depth and quiet protects dolphins and people

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Detailed Solution

सही उत्तर Protecting flow, depth and quiet protects dolphins and people है।

Key Points

The passage emphasises Protecting flow, depth and quiet protects dolphins and people.

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Question:

[125]. Passage:

River dolphins, blind and navigating by sound, reveal the health of a river more honestly than any single chemical test. When boats, nets and pollution fill their habitat with noise and poison, dolphins vanish first, long before humans notice the river's decline. Protecting them therefore means protecting flow, depth and quiet stretches of water, not merely counting animals. A river that can still host dolphins is a river that can still support fishing, farming and drinking water for people downstream. Which detail about river dolphins does the passage emphasise?

1.
A detail the passage explicitly rejects
2.
An unrelated historical fact
3.
Protecting flow, depth and quiet protects dolphins and people
4.
A claim about a different subject

Correct Answer: Protecting flow, depth and quiet protects dolphins and people

The passage emphasises Protecting flow, depth and quiet protects dolphins and people.

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