Assertion :Accomodation in the bird's eye is controlled by ciliary apparatus. Reason: It involves deformation of retina.

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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Assertion is incorrect but Reason is correct.

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Solution

The correct option is C Assertion is correct but Reason is incorrect.
Accommodation is the process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies. Mammals, birds and reptiles vary the optical power by changing the form of the elastic lens using the ciliary body.

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