MCQ
The cones are located in:
- AIris
- BSclera
- CChoroid
- DRetina
Explanation:
The choroid is a dark pigmented thin vascular layer and is characterized by the presence of many blood vessels but no cones and rods. The photoreceptors like cones and rods are present in retina only. Cones are present throughout the retina but fovea centralis is the part of the retina that has densely packed cones. The sclera is the white and opaque outer layer of eyeball while iris is the coloured muscular ring of the eyeball that surrounds the pupil.
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