Biology - Organisms and Populations Question with Solution | TestHub

BiologyOrganisms and PopulationsAbiotic Factors and ResponsesMedium2 minPYQ_2026
BiologyMediumsingle choice

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A) : Most of the poikilothermic animals are thermo-conformers in nature.
Reason (R) : Poikilothermic animals can maintain constant body temperature with ambient temperature.
In light of the above statements, choose themost appropriateanswer from the options given below.

Options:

Answer:
C
Solution:

Assertion (A) is correct because poikilothermic animals (cold-blooded animals) cannot regulate their body temperature internally. Their body temperature changes with the surrounding temperature, making them thermo-conformers.

Reason (R) is incorrect because poikilothermic animals cannot maintain a constant body temperature. Their body temperature fluctuates with the ambient temperature. It is homeothermic animals (warm-blooded animals) that can maintain a constant body temperature.

Therefore, (A) is correct but (R) is incorrect.

Answer: (A) is correct but (R) is incorrect.

Stream:MHT_CET_MEDICALSubject:BiologyTopic:Organisms and PopulationsSubtopic:Abiotic Factors and Responses
⏱ 2mℹ️ Source: PYQ_2026

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