Assertion :Cyclostomes have sucker mouth. Reason: They are Jaw-less.

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
Cyclostomes are jaw-less and eel like animals belonging to division Agnatha. They have a sucking and circular mouth making them ecto parasites.

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