Q147 / 180 · NEET 2013 (All India) · Zoology

Parts $A, B, C$ and $D$ of the human eyes are shown in the diagram. Select the option, which gives correct identification along with its functions/characteristics Figure

  • Correct answer
    A
    A-retina-contains photoreceptors-rods and cones
  • B
    B-blind spot-has only a few rods and cones
  • C
    C-aqueous chamber-reflects the light, which does not pass through the lens
  • D
    D-choroidits anterior part forms ciliary body

Solution

A-Retina-contains photoreceptors - rods and cones. The daylight vision is function of cones and twilight vision is related to rods. B-Blind spot-Phatoreceptor cells are not present in this part. C-Aqueous chamber contains a thin watery fluid called aqueous humour. D-Sclera is the external layer of eye having dense connective tissue.

Hence, the correct answer is option: 'A'.

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