Assertion :Dipnoi subclass of Pisces is a rare class which has an evolutionary link between Pisces and Amphibia. Reason: The presence of lungs in Protopterus make it able to breathe in water.

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
Dipnoi subclass are rare which has an evolutionary link between Pisces and Amphibia. Propterus is the species of lungfish that have developed lungs that allow them to breathe in water which is the characteristic of amphibians. So, the correct answer is A.

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