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Assertion (A): Secondary metabolites like rubber and essential oils do not play known roles in the normal physiological processes of the organisms that produce them.
Reason (R): Secondary metabolites are often involved in defense mechanisms or ecological functions rather than primary metabolic processes.
  • a)
    Both A and R are true, and R is the correct explanation of A.
  • b)
    Both A and R are true, but R is not the correct explanation of A.
  • c)
    A is true, but R is false.
  • d)
    A is false, but R is true.
Correct answer is option 'A'. Can you explain this answer?
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Assertion (A): Secondary metabolites like rubber and essential oils do...
Assertion A is true as secondary metabolites such as rubber and essential oils generally do not have identifiable roles in the normal physiological functions of the organisms that produce them. Reason R correctly explains this by stating that these metabolites are involved in ecological functions such as defense, rather than in primary metabolic processes. Therefore, Option A is correct as R is the correct explanation of A.
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Assertion (A): Secondary metabolites like rubber and essential oils do...
Understanding Secondary Metabolites
Secondary metabolites, such as rubber and essential oils, are organic compounds produced by organisms that are not directly involved in their normal growth, development, or reproduction. Instead, these metabolites serve various ecological and defensive roles.
Assertion (A)
- True Statement: Secondary metabolites do not play known roles in the normal physiological processes of the organisms that produce them.
- Reason: These compounds are classified as secondary because they are not essential for basic life functions but contribute to the organism's survival in other ways.
Reason (R)
- True Statement: Secondary metabolites are often involved in defense mechanisms or ecological functions rather than primary metabolic processes.
- Examples:
- Defense: Compounds like alkaloids can deter herbivores.
- Attraction: Essential oils can attract pollinators or beneficial insects.
Relationship Between A and R
- Connection: While both A and R are true, R provides a broader context for understanding the function of secondary metabolites.
- Explanation: R explains why A is true by detailing the ecological roles these metabolites play, reinforcing the assertion that they are not involved in primary metabolic processes.
Conclusion
- Correct Option: The assertion is accurate, and the reason complements it by clarifying the ecological significance of secondary metabolites. Therefore, option 'A' is correct, as both statements are true, and R correctly explains A.
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