ZoologyHow many pairs of spiracles are present in respiratory system of cockroach? 

How many pairs of spiracles are present in respiratory system of cockroach? 

  1. A

    5 pairs

  2. B

    15 pairs

  3. C

    10 pairs

  4. D

    20 pairs

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    Solution:

    The respiratory system of cockroach consists of a network of trachea which open through 10 pairs of small holes called spiracles present on the lateral side of the body.

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