Question
Biology Question on Structural Organisation of Animals and plants
Male and female cockroaches can be distinguished externally by
A
Anal styles in male
B
Anal cerci in female
C
Anal styles and antennae in female
D
Both B and C
Answer
Anal styles in male
Explanation
Solution
In male cockroach, 9,h sternum bears a pair of short, unjointed thread-like anal styles which are absent in female. Anal cerci and antennae are present in both male and female cockroaches.