Identify the incorrect statement regarding abiotic factors in ecology:

1.  Temperature is an ecologically relevant factor as it affects enzyme kinetics.
2.  Even aquatic animals face water-related problems.
3.  Light is an ecologically relevant factor only for plants.
4.  Sediment characteristics often determine the type of benthic animals found.

Subtopic:  Abiotic Factors: Temperature (OLD NCERT) | Abiotic Factors: Light & Water (OLD NCERT) |
 88%
From NCERT
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NEET 2025 - Target Batch
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NEET 2025 - Target Batch

Consider the given statements:

I:  Among the green, brown and red algae, red algae are expected to be found in the deepest waters.
II:  The photosynthetic pigment, phycoerythrin, present in them is very efficient in absorbing the red light of PAR.

1.  Both I and II are correct and II explains I.
2.  Both I and II are correct but II does not explain I.
3.  I is correct but II is incorrect.
4.  Both I and II are incorrect.

Subtopic:  Abiotic Factors: Light & Water (OLD NCERT) |
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Rapid loss of nutrients from terrestrial ecosystems is not caused by:

1. clear-cutting native forest 2. early seral stages
3. climax communities 4. low diversity
Subtopic:  Abiotic Factors: Light & Water (OLD NCERT) |
 51%
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