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Which of the following features is not p...

Which of the following features is not present in Periplaneta americana?

A

Indeterminate and radial cleavage during embryonic development

B

Exoskeleton composed of N - acetyglucosamine

C

Metamerically segmented body

D

Schizocoelom as body cavity

Text Solution

Verified by Experts

The correct Answer is:
A
Cockroach has determinate cleavage during embryonic development and it develops into nymph, which is a fully developed cockroach except its size as it much smaller than the adult one.
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ARIHANT NEET-STRUCTURAL ORGANISATION IN SOME ANIMALS -CHAPTER EXERCISES (C) MEDICAL ENTRANCES GALLERY (COLLECTION OF QUESTIONS ASKED IN NEET & VARIOUS ENTRANCE EXAMS )
  1. In male cockroaches, sperms are stored in which part of the reproducti...

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  2. Which of the following features is not present in Periplaneta american...

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  3. Which of the following statements is incorrect pertaining to cockroach

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  4. Which among the following are fat secreting cells present in the haemo...

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  5. The targa, sterna and pleura of cockroach body are joined by

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  6. Type of respiration in Cockroach is

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  7. In the circulatory system of Pheretima a, b, c, and d respresent

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  8. The structure in earthworm which serves as a wedge to force open crack...

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  9. Which among these is not involved in excretion in cockroaches

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  10. Frogs

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  11. In Cockroach, the common duct of salivary reservoir opens at the base ...

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  12. The total number of podomeres in the leg of Cockroach is

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  13. Which is not a sensory structure in Cockroach

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  14. Choose the wrongly matched pair ragarding the position of reproductive...

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  15. In Cockroach, the arthrodial membrane

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  16. Choose the wrong statement regarding the circulatory sytem of Frog

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  17. In Periplaneta, which one helps in nourishing the sperms

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  18. In Periplaneta, ductus ejaculatorius of male reproductive system lies ...

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  19. Statement a. : Secretion of colleterial gland forms the egg case in Co...

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  20. Flow of haemolymph in Cockroach is

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