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Question: Answered & Verified by Expert
Which one of the following statements is true for cockroach?
BiologyStructural Organisation in Animals
Options:
  • 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.
Solution:
1094 Upvotes Verified Answer
The correct answer is:
Anal styles are absent in females.
Anal styles are paired, thin, unjointed outgrowths, projecting backwardly from the sides of $9^{\text {th }}$ 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.

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