Phallic organs in cockroach are related to
male excretory system.
male reproductive system.
female excretory system.
female reproductive system.
Answer in one word or one line.
What is the position of ovaries in the cockroach?
$A$-Antennae have sensory receptors
$R$-Sensory receptors help in monitoring the environment
What external changes are visible after the last moult of a cockroach nymph?
The unit of photoreception, in a compound eye of cockroach and other insects, is
The figure given below shows the head region of cockroach. Identify $A$ to $F$.