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Which of these structures protects the eyes of the frog in water?

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in Biology – Class 11 by (272k points)
Which of these structures protects the eyes of the frog in water?

(a) Nictitating membrane

(b) Tympanum

(c) Bidder’s canal

(d) Cloaca

This question was addressed to me during an interview for a job.

My question comes from Animals Structural Organisations topic in portion Structural Organisations in Animals of Biology – Class 11

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Right choice is (a) Nictitating membrane

To explain I would say: The nictitating membrane protects the eyes of the frog in water. The tympanum is the ear of the frog. Cloaca are excretory organs. Bidder’s canal is a part of the male reproductive system of frogs.

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