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9. Ray optics abd optical instruments — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics9. Ray optics abd optical instruments1 Mark
MCQ
Substance on the choroid is
  • A
    Japan black
  • ✓
    Nigrim pigment
  • C
    Carbon black
  • D
    Platinum black
✓

Answer

Correct option: B.
Nigrim pigment
b
The Choroid contains the retinal pigmented epithelial cells which have the Nigrim pigments and they provide oxygen and nourishment to the outer retina

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