2023 · Q49
The human eyeball is composed of three layers. The correct sequence of the layers from exterior to interior is
General ScienceBiology
- ASclera → Choroid → Retina
- BCornea → Choroid → Retina
- CCornea → Sclera → Choroid
- DSclera → Cornea → Choroid
Explanation
The eyeball's three coats from exterior to interior are the sclera (tough outer coat, continuous with the cornea in front), the choroid (vascular middle layer) and the retina (inner neural layer). Option B wrongly skips the sclera. Hence A.