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Which one of the following exhibits conc...

Which one of the following exhibits concentric tube within tube plan ?

A

Cnidaria

B

Annelida

C

Platyhelminthes

D

Nematoda

Text Solution

Verified by Experts

The correct Answer is:
B
In annelids , alimentary canal is straight with anterior mouth and posterior anus . Due to spacious , fluid-filled body cavity between body wall and alimentary canal , the body appears like a tube within a tube in section .
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ARIHANT NEET-ANIMALIA-II (HIGHER INVERTEBRATES) -Chapter Exercises C) Medical entrances gallery (Collection of questions Asked in NEET & Various Medical Entrance Exams )
  1. Which is not characteristic feature of arthopods

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  2. The stages between larval moults in an insect are called

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  3. Which one of the following exhibits concentric tube within tube plan ?

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  4. Pheretima and its close relatives derive nourishment from

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  5. Glochidium larva is absent in

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  6. The adult animal in this phylum is radially symmetrical but its larva ...

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  7. The members of which of the following phyla are exclusively marine ?

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  8. Hemimetabolus insect , which is nocturnal and sanguivorous is

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  9. Study the lists and choose the correct ones {:(" I"," ...

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  10. Which of the following is a crustacean ?

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  11. Open circulatory system occurs in

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  12. Which one is not not an insect

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  13. A female Anopheles mosquito can be recognized by

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  14. Which one of the following have the highest number of species in natur...

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  15. The arthropods exoskeleton is composed of

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  16. Which one of the following does not have an excretory system ?

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  17. Tube feet are the locomotory organs of

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  18. Water vascular system is found in

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  19. Which animal of the following belongs to class Crustacea?

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  20. which one of the following is used as biological insecticide ?

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