Which of the following characteristics is inc | vedclass

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(A) The correct answer is $A$. In cockroaches,a ring of $6-8$ blind tubules called hepatic or gastric caeca is present at the junction of the foregut

Vedclass · Accepted Answer

$A$ ring of gastric caeca is present at the junction of midgut and hindgut.

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(A) The correct answer is $A$. In cockroaches,a ring of $6-8$ blind tubules called hepatic or gastric caeca is present at the junction of the foregut and midgut,not the midgut and hindgut. Option $B$ is correct: The hypopharynx acts as a tongue and lies within the cavity enclosed by the mouthparts. Option $C$ is correct: In female cockroaches,the $7^{	ext{th}}$ sternum is boat-shaped and together with the $8^{	ext{th}}$ and $9^{	ext{th}}$ sterna forms a brood or genital pouch. Option $D$ is correct: The $10^{	ext{th}}$ abdominal segment in both male and female cockroaches bears a pair of jointed filamentous structures called anal cerci.

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

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