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Neural Control and Coordination question

2001 · Q12
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Neural Control and Coordination question

2001 · Q12

NEETBiologyNeural Control and CoordinationMCQ+4 / −1
When we migrate from dark to light, we fail to see for sometime but after a time visibility becomes normal. It is example of
  1. A
    accomodation
  2. B
    adaptation
  3. C
    mutation
  4. D
    photoperiodism.
View written solutionFree

Correct answer: B

It takes some time for rhodopsin to split into scotopsin and retinal (bleading) and release of transmitter passing nerve inpulse via bipolar and ganglion cells to the optic nerves.

This is a case of adaptation. It differs from accomodations which is a reflex mechanism by which the focus of the eye change to make the images of distant and near objects sharp on the retina.

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