Question
Biology Question on Cockroach
Ommatidia serve the purpose of photoreception in
A
Cockroach
B
Frog
C
Humans
D
Sunflower
Answer
Cockroach
Explanation
Solution
In cockroach, the compound eyes are a pair of large, black, kidney-shaped organs situated dorsolaterally on the head, one on either side. Their surface is marked by a large number of hexagonal areas, the facets. Each facet represents a visual unit named ommatidium. The eyes are the organs of sight (photoreception).