Question

Which of the following characteristics is incorrect with respect to cockroaches?

Options

• The 10^th abdominal segment in both sexes bears a pair of anal cerci.

• A ring of gastric caeca is present at the junction of the midgut and hind gut.

• The hypopharynx lies within the cavity enclosed by the mouthparts.

• In females, the 7^th-9^th sterna together form a genital pouch.

Answer 1

A ring of gastric caeca is present at the junction of the midgut and hind gut.