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

1. A. Hypopharynx lies within the cavity enclosed by the mouth parts
2. B. In females, 7th-9th sterna together form a genital pouch
3. C. 10th abdominal segment in both sexes, bears a pair of anal cerci
4. D. A ring of gastric caeca is present at the junction of midgut and hind gut

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