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Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYNeural Control and Coordination3 Marks
Question
Distinguish between blind spot and yellow spot.
✓

Answer

Blind spot and yellow spot:
  Blind spot   Yellow spot
1. Blind spot is a spot on the retina present at the point of origin of the optic nerve. 1. Yellow spot is a small area on the retina present at the posterior pole of the eye, lateral to the blind spot.
2. Photoreceptor cells are absent from this region. 2. Only cones are present in this region.
3. They are insensitive to light as both rods and cones are absent. 3. They are sensitive to bright light as cones are present.

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