The peculiar pungent smell of cockroach is produced by the secretion of?
A. Pheromones
B. Flame cells
C. Abdominal glands
D. Cervical glands
Answer:A
The peculiar pungent smell of cockroach is produced by the secretion of?
A. Pheromones B. Flame cells C. Abdominal glands D. Cervical glands