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Earthworms have no skeleton but during b...

Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydrauluc skeleton. It is due to

A

Setae

B

Coelomic fluid

C

Blood

D

Gut peristalsis

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The correct Answer is:
B
Coelomic fluid
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AAKASH INSTITUTE-STRUCTURAL ORGANISATION IN ANIMALS (CONTD . . .) (ANIMAL MORPHOLOGY)-Assignment (Section-C)
  1. What is common between humans and adult Frog

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  2. Which of the following is correct for the common cockroach ?

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  3. One very special feature in the earthworm pheretima is that

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  4. Frogs differ from humans in possessing

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  5. Consider the following four statements (A-D) related to the common fro...

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  6. Which one of the following structures in Pheretima is correctly matche...

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  7. Uric acid is the chief nitrogenous component of the excretory products...

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  8. Which one of the following correctly describes the location of some bo...

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  9. Earthworms have no skeleton but during burrowing, the anterior end bec...

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  10. Earthworms are commonly found in

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  11. Which one of the following has an open circulatory system ?

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  12. Primary function of enteronephric nephridia of Pheretima is

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  13. Select the correct option w.r.t. cockroaches

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  14. Which one of the following is one of the paths followed by air//O(2) d...

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  15. Ureters act as urinogenital ducts in

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  16. The breakdown of detritus into smaller particles by earthworm is a pro...

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  17. Which one neutralises humic acid present in humans in the body of Ear...

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  18. Fertilized eggs of Periplaneta americana are encased in

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  19. Which one of the following is the true description about an animal con...

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  20. In adult Frog, the kidney is

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