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Karnataka Board PUCPUC Science Class 11

Distinguish Between: Blind Spot and Yellow Spot - Biology

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Question

Distinguish between: blind spot and yellow spot

Solution

Blind spot Yellow spot
Blind spot is a spot on the retina present at the point of origin of the optic nerve. Yellow spot is a small area on the retina present at the posterior pole of the eye, lateral to the blind spot.
Photoreceptor cells are absent from this region. Only cones are present in this region.
They are insensitive to light as both rods and cones are absent. They are sensitive to bright light as cones are present.
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Chapter 21: Neural Control and Coordination - Exercises [Page 329]

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NCERT Biology [English] Class 11
Chapter 21 Neural Control and Coordination
Exercises | Q 12.4 | Page 329

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