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Question: Answered & Verified by Expert
Select the correct match with respect to American cockroach (Periplaneta americana).
BiologyStructural Organisation in AnimalsNEET
Options:
  • A
    Head Restricted mobility
  • B
    Spiracles 12 pairs
  • C
    Malpighian tubules 50-60 in number
  • D
    Anal styles Sternum of 9th abdominal segment
Solution:
2533 Upvotes Verified Answer
The correct answer is:
Anal styles Sternum of 9th abdominal segment
Abdomen in Cockroach bears the following structures :

A. Anal cerci (1 pair)

Anal cerci are jointed filamentous structures that are sensitive to sound and vibrations.

B. Anal styles (1 pair)

These are short thread like structures that help in copulation.

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