English

Assertion (A): Relationship between sea anemone and hermit crab is said to be an example of obligate mutualism. Reason (R): Obligate mutualism is a negative harmful interaction between two species.

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Question

Assertion (A): Relationship between sea anemone and hermit crab is said to be an example of obligate mutualism.

Reason (R): Obligate mutualism is a negative harmful interaction between two species.

Options

  • Both assertion (A) and reason (R) are true, and reason is the correct explanation of assertion.

  • Both assertion (A) and reason (R) are true, but reason is not the correct explanation of assertion.

  • Assertion (A) is true but reason (R) is false.

  • Both assertion (A) and reason (R) are false.

MCQ
Assertion and Reasoning
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Solution

Both assertion (A) and reason (R) are false.

Explanation:

Both statements are false. The hermit crab and sea anemone show protocooperation because both benefit but can live independently; obligate mutualism is a beneficial, not harmful, association.

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Chapter 17: Organisms and Populations - EXERCISES [Page 955]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 17 Organisms and Populations
EXERCISES | Q VI. 9. | Page 955
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