Assertion : Ginkgo biloba is a living fossil. Reason : Organism which have persisted and remain unch

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6.Evolution

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Assertion : Ginkgo biloba is a living fossil.

Reason : Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.

If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

If the Assertion is correct but Reason is incorrect.

If both the Assertion and Reason are incorrect.

(AIIMS-2000)

Solution

Ginkgo biloba, belong to the Ginkgoales evolved during the Jurassic period and is still existing without any morphological or anatomical changes. Hence, both assertion and reason are correct.

Standard 12

Biology

'Ontogeny Recapitulates Phylogeny' is narrated in which of the evidences for organic evolution?

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The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining

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Which of the given pairs are correct

$I.$ Wings of insects and birds are homologous organ

$II.$ Wings of bats and bird are homologous organ

$III.$ Wings of insect and bats are analogous

$IV.$ Wings of insect and bird are analogous

Choose the correct option

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Recapitulation theory forms

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Fossil man, who made cave paintings, is

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

Solution

Similar Questions

'Ontogeny Recapitulates Phylogeny' is narrated in which of the evidences for organic evolution?

The biochemical analysis of different chlorophyll pigments in plants would be most useful in determining

Which of the given pairs are correct $I.$ Wings of insects and birds are homologous organ $II.$ Wings of bats and bird are homologous organ $III.$ Wings of insect and bats are analogous $IV.$ Wings of insect and bird are analogous Choose the correct option

Recapitulation theory forms

Fossil man, who made cave paintings, is

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Assertion : Ginkgo biloba is a living fossil.

Reason : Organism which have persisted and remain unchanged for the past several million years while their relatives disappeared.

Which of the given pairs are correct

$I.$ Wings of insects and birds are homologous organ

$II.$ Wings of bats and bird are homologous organ

$III.$ Wings of insect and bats are analogous

$IV.$ Wings of insect and bird are analogous

Choose the correct option