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NEET UG BIOLOGY MCQ: STRUCTURAL ORGANISATION IN ANIMALS

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Which of the following vertebrates show the formation of middle ear (eustachian recess) for the first time?

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Correct option: B

Rana

Option B (Rana) is correct because amphibians like Rana (frogs) are the first vertebrates to develop a middle ear cavity (eustachian recess).

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