Assertion :Ossicles around the mouth of Sea Urchin form Aristotle's Lantern. Reason: Teeth of Aristotle's Lantern are analogous to human teeth as both are masticatory.

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 B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
The mouth of most sea urchins is made up of five calcium carbonate teeth or plates, with a fleshy, tongue-like structure within. The entire chewing organ is known as Aristotle's lantern. so, the assertion is correct.
As Aristotle's lantern is a chewing organ, so is human teeth. So, the reason is also right.
But they dont relate to each other.
So, the correct option is B.

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