Question

Ora serrata is (1)Gland present in oral cavity of frog (2)A part of third wall of retina of eye (3)Present in utriculus of ear (4)Oral cavity of protochordates

Answer 1

Answer:

A part of third wall of eye of retina

Explanation:

The ora serrata is the serrated junction between the retina and the ciliary body. This junction marks the transition from the simple, non-photosensitive area of the ciliary body to the complex, multi-layered, photosensitive region of the retina.planation