Haryana PMT Haryana PMT Solved Paper-2006

Male and female cockroach is differs due to presence of absence of :

A) anal cerci and anal style

B) anal cerci

C) anal style

D) anal sitae

Correct Answer: C

Solution :

Cockroaches are unisexual (dioecious). These are differentiated as :

	Male Cockroach	Female Cockroach
1	Body relatively smaller And more flattened.	Body relatively larger And thicker.
2	Abdomen has 9 distinct Segments.	Abdomen has only 7 Distinct segments
3	Hind end of abdomen Some what pointed	Hind end of abdomen Blunt and boat shaped.
4	Seventh sternite undivided.	Seventh sternite divided.
5	A paiar of anal styles are articulated with 9th abdominal sternite.
6	Wings relatively latge extend somewhat beyond hind end of body.	Wings smaller extend only upto hind end of body.