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Neural Control and Coordination question

2013 · Q60
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Neural Control and Coordination question

2013 · Q60

NEETBiologyNeural Control and CoordinationMCQ+4 / −1
Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions/ characteristics. NEET 2013 Biology - Neural Control and Coordination Question 20 English
  1. A
    B - Blind spot-Has only a few rods and cones.
  2. B
    A - Retina - Contains photoreceptors, i.e., rods and cones.
  3. C
    C-Aqueous chamber-Reflects the light which does not pass through the lens.
  4. D
    D - Choroid - Its anterior part forms ciliary body.
View written solutionFree

Correct answer: B

In the given figure, A is retina which is the innermost layer, containing photoreceptors rods and cones. B is blind spot. Optic nerves pierce through retina at blind spot. It has no visual cells. C is aqueous humor. It nourishes cornea and lens both of which are avascular. D is sclera. It is the outermost covering and maintains shape of eyeball. It also protects inner layers of the eye.

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