Which of the following statements regarding the response of…

Biology The Living World All Topic Question for Revision Test Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

Which of the following statements regarding the response of living organisms to external stimuli is correct?

The external environment stimuli can be physical, chemical or biological.

All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.

Consciousness and response to external stimuli is the defining property of living organisms.

All of these

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The correct answer is:

External stimuli can be physical (light, temperature), chemical (pH, substances), or biological (other organisms)

All organisms—from prokaryotes to complex eukaryotes—can sense and respond

Consciousness/response to stimuli is the defining property of life.

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