Animal Kingdom Question 506
Question: Male and female Cockroaches can be distinguished externally through [CBSE PMT 1991; Pb. PMT 1994, 97; RPMT 1995, 98; CPMT 1996, 98]
Options:
A) Anal styles in male
B) Anal cerci in female
C) Anal style and antennae in females
D) Both (a) and (c)
Show Answer
Answer:
Correct Answer: A
Solution:
Cockroach is unisexual and exhibit sexual dimorphism.
In male?s ninth segment bears a pair of anal styles ventrally.