The diagram represents the posterior end of a | vedclass

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(A) In the male cockroach,the posterior end of the abdomen shows specific structures:$1$. The $10^{th}$ tergum is the dorsal plate at the end of the a

Vedclass · Accepted Answer

$a-8^{th}$ sternum,$b-$ anal cercus,$c-10^{th}$ tergum,$d-$ anal style

Vedclass · Answer

(A) In the male cockroach,the posterior end of the abdomen shows specific structures:$1$. The $10^{th}$ tergum is the dorsal plate at the end of the abdomen (labeled $c$ in the diagram).$2$. The anal cerci are paired,jointed,filamentous structures present on the $10^{th}$ segment (labeled $b$).$3$. The anal styles are a pair of short,thread-like structures present only in males on the $9^{th}$ sternum (labeled $d$).$4$. The $8^{th}$ sternum is the ventral plate (labeled $a$).Therefore,the correct labeling is $a-8^{th}$ sternum,$b-$ anal cercus,$c-10^{th}$ tergum,$d-$ anal style.

The diagram represents the posterior end of a male cockroach. Choose the correct combination of labelling.

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