Concept: This question tests your knowledge of the structure of the human eye, specifically the layers of cells in the retina and their arrangement from outside to inside.

Why (C) is correct: The retina is the innermost layer of the eyeball. It contains three main layers of neural cells arranged in a specific order from the choroid (outside) towards the vitreous humor (inside). The outermost layer, adjacent to the choroid, consists of photoreceptor cells (rods and cones). These cells synapse with the intermediate layer of bipolar cells. The bipolar cells, in turn, synapse with the innermost layer of ganglion cells, whose axons form the optic nerve.

Why other options are wrong:

• (A) Photoreceptor, Ganglion, Bipolar: This order is incorrect as ganglion cells are innermost and bipolar cells are intermediate.
• (B) Photoreceptor, Amacrine, Bipolar: Amacrine cells are interneurons within the retina, not one of the three primary layers in this specific sequence.
• (D) Ganglion, Bipolar, Photoreceptor: This order is completely reversed from the correct arrangement.

NEET Tip: Remember the order from outside to inside as Photoreceptor, Bipolar, Ganglion. You can think of it as People Believe God, or simply P-B-G.

Correct Answer: (C)