NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES

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Assertion : Most fish when out of water, die of
suffocation.

Reason : Atmospheric air contains far less
oxygen content than the dissolved oxygen in
water.

View answer and explanation

Correct option: C

If Assertion is true but Reason is false

The correct answer is C (Assertion is true but Reason is false) because fish die of suffocation out of water, but the reason is that their gills collapse and cannot extract oxygen from the air, not because of lower oxygen content.

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