Assertion :Ginkgo biloba is a living fossil. Reason: Ginkgo biloba have persisted and remain unchanged for the past several million years while their relatives disappeared.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Assertion is correct as Ginkgo biloba, known as Ginkgo is the only living species in the division Ginkgophyta, all others being extinct. It is found in fossils dating back 270 million years. It is considered as living fossil and it is native to china.
Reason is also correct and correct explanation of assertion, as organism which have persisted and remain unchanged for the past several million years, while their relatives disappeared are considered as living fossils.
Therefore, the correct answer is option A.

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