Which of the following characteristics is incorrect with respect to cockroach?
(1) A ring of gastric caeca is present at the junction of midgut and hind gut.
(2) Hypopharynx lies within the cavity enclosed by the mouth parts.
(3) In females, 7th - 9th sterna together form a genital pouch.
(4) 10th abdominal segment in both sexes, bears a pair of anal cerci.
