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NEET2014ZoologyNeural Control and CoordinationActual

Assertion : The optic nerves leave the eye at the point called blind spot. Reason: Only cone are densely packed at the blind spot, hence is the name.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

The nerve fibres from all parts of the retina converge to leave through a point called blindspot. It is the place in the visual field that corresponds to the lack of light detecting photo receptor cells on the optic disc of the retina.

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