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How many chambers are present in the hea...

How many chambers are present in the heart of a cockroach?

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ASSAM ACADEMIC CENTRE-STRUCTURAL ORGANISATION IN ANIMALS -EXAMPLE
  1. Where are the digestive juices secreted from, in a cockroach?

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  2. Name the first part of the hind gut of cockroach.

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  3. How many chambers are present in the heart of a cockroach?

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  4. Name the openings of the heart chambers through which blood enters the...

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  5. Name the muscles that help in the pumping action of heart.

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  6. Name the respiratory organs of a cockroach.

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  7. What are the finer branches of tracheae of cockroach called?

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  8. What are spiracles?

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  9. Where does exchange of respiratory gases take place in a cockroach?

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  10. Cockroaches are uricotelic. Justify.

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  11. Name any two accessory/additional excretory organs of cockorach.

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  12. How many ganglia are present in the thorax and abdomen, respectively i...

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  13. What name is given to the several component units of a compound eye of...

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  14. Why is mosaic vision also known as nocturnal vision?

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  15. Where are the testes located in the body of a cockroach?

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  16. What name is given to the external genitalia of a male cockroach?

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  17. Name the accessory male reproductive gland of a cockroach. Where is it...

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  18. Where are the sperms stored temporarily in the body of a male cockroac...

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  19. What are spermatophores?

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  20. How many ovarioles are found in an ovary of a cockroach?

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