Question

4. Explain the following in short
A. What are anal cerci?
B. What is the ganglion?
C. What is the role of hypopharynx?
D. What is mesenteron?
E Location of turgum.
F. What is ootheca?​

Answer 1

Answer:

A. Anal cerci are a pair of appendages at the end of the abdomen , arising from near the 10 th segment of the body of the cockroach.

B. A non - cancerous lump , often on the tendons or joints of wrists and hands.

C. The hypopharynx is located medially to the mandibles and the maxillae . It is behind the preoral cavity and infront of the labium . The hypopharynx functions as a tongue , moving food around in the preoral cavity.

D. The middle section of the intestine especially in an embryo or arthropod.

E.A tergum is the dorsal portion of an arthropod segment than the head.

F. The egg case of cockroaches , mantises and related insects.

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