Animal Kingdom Question 521
Question: Which is characteristic of Cockroach [BHU 1996 98, 2001; CPMT 1996; HP PMT 2005]
Options:
A) 13-chambered heart
B) Reduced wings
C) Cocoon formation
D) Segmented body
Show Answer
Answer:
Correct Answer: A
Solution:
The heart of cockroach is formed of 13 chambers each chamber (except the last one) has a pair of small lateral apertures called ostia which open into the pericardial sinus.
BETA
