The part of an eye which acts like a diaphragm of a photographic camera is

  • A
    Pupil
  • B
    Iris
  • C
    Lens
  • D
    Cornea

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The colored visible part of the eye is known as:

Which one of the following is the correct difference between rod cells and cone cells of our retina?

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Photosensitive compounds are formed of which substances?

What is the ciliary body?

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