Q. Which of the following characteristics is incorrect with respect to cockroach?
A) Hypopharynx lies within the cavity enclosed by the mouth parts.
B) In females, $7^{th}$ - $9^{th}$ sterna together form a genital pouch.
C) $10^{th}$ abdominal segment in both sexes, bears a pair of anal cerci.
D) A ring of gastric caeca is present at the junction of midgut and hind gut.
Explanation
[Solution] Gastric caeca are present at the junction of the foregut and midgut; Malpighian tubules lie at the midgut-hindgut junction. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.