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Question

Biology Question on Structural Organisation of Animals and plants

Which one of the following statements is true for cockroach?

A

The number of ovarioles in each ovary are ten

B

The larval stage is called caterpillar

C

Anal styles are absent in females

D

They are ureotelic

Answer

Anal styles are absent in females

Explanation

Solution

Anal styles are paired, thin, unjointed outgrowths, projecting backwardly from the sides of 9th9^{th} sternum of the male cockroach only. They are absent in females. The number of ovarioles in each ovary are eight. The larval stage of cockroach is called nymph. Cockroach is uricotelic