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In cockroaches, the respiratory system c...

In cockroaches, the respiratory system consists of a network of trachea that open outside through small holes hat are present on lateral side of the body are called

A

Tracheoles and are of 9 pairs

B

Spiracles and are of 10 pairs

C

Sphincters and are of 8 pairs

D

Ostia and are of 13 pairs

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The correct Answer is:
B
In cockroaches, the respiratory system consists of a network of trachea that open outside through small holes that are present on lateral side of the body are called spiracles and are of 10 pairs.
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A2Z-STRUCTURAL ORGANIZATION IN ANIMALS -Section A : Topicwise Questions Topic 4 : Cockroach (morphology And Anatomy)
  1. The 10^(th) segment bears a pair of jointed filamentous structure call...

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  2. Sexual dimorphism in cockroach is shown by

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  3. Recognise the figure and find out the correct matching.

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  4. In cockroaches, the respiratory system consists of a network of trache...

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  5. Exchange of gases takes place at the tracheoles by

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  6. The opening of the spiracles is regulated by the

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  7. Recognise the figure and find out the correct matching.

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  8. Which is incorrect about cockroach ?

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  9. Recognise the figure and find out the correct matching.

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  10. Match the columns I, II and III and choose the correct combination fro...

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  11. In female cockroach, how many ovarian tubules or ovarioles are present...

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  12. In cockroach, brain is present in head region and represented by

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  13. Recognise the figure and find out the correct matching.

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  14. With the help of several ommatidia, a cockroach can receive several im...

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  15. Read the following statements and find out the incorrect statement.

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  16. Recognise the figure and find out the correct matching.

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  17. In male cockroach, the external genitalia is represented by

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  18. On a average, female cockroach produces...a...oothecae, each containin...

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  19. Recognise the figure and find out the correct matching.

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  20. Read the followig statements and find out the incorrect statement.

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