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

(1) 10th abdominal segment in both sexes, bears a pair of anal cerci.

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

(3) Hypopharynx lies within the cavity enclosed by the mouth parts.

(4) In females, 7th -9 th sterna together form a genital pouch.
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(2) A ring of gastric caeca is present at the junction of midgut and hind gut.
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