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प्रश्न
Assertion: Sporopollenin preserves pollen in fossil deposits.
Reason: Sporopollenin is resistant to physical and biological decomposition.
विकल्प
assertion is true; reason is false
assertion is false; reason is true.
Both Assertion and reason are not true.
Both Assertion and reason are true.
MCQ
अभिकथन और तर्क
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उत्तर
Both Assertion and Reason are true.
Explanation:
Assertion: Sporopollenin preserves pollen in fossil deposits. True, because sporopollenin forms the tough outer wall (exine) of pollen grains, which helps them survive for millions of years in fossil records.
Reason: Sporopollenin is resistant to physical and biological decomposition, True, as it is one of the most chemically inert organic materials known, making pollen highly durable.
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