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An animal that transforms from bilateral...

An animal that transforms from bilateral to radial symmetry in its history is

A

Hydra

B

Obelia

C

sponge

D

starfish

Text Solution

Verified by Experts

The correct Answer is:
D
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ARIHANT NEET-ANIMALIA-II (HIGHER INVERTEBRATES) -Chapter Exercises A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice)
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  2. The echinoderms are related to chordates by their similarity in the de...

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  3. An animal that transforms from bilateral to radial symmetry in its his...

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  5. Blastopore of the embryo of starfish forms

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  6. Autotomy in a starfish is followed by

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  7. The echinoderms have ......development .

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  8. Equal radial parts of starfish are

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  9. The echinoderms have an enterocoelom made from the digestive tube whic...

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  10. The formation of mesoderm as evaginated sacs from the archenteron is c...

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  11. The porous plate present in the aboral side of starfish is

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  12. Closed blood vascular system , liver cells in the blood and chitinous ...

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  13. Which among the following is the body organisation of Annelida ?

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  14. The aboral surface of Antedon bears

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  15. Members of which phylum exhibit adaptations to widely varied environme...

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  16. In annelids , the nephridia which open outside the nephridiophores are...

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  17. Which one of the following larvae is shared by both annelids and mollu...

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  18. Animals having multiple or numerous setae are included under

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  19. Nereis is differentiated from earthworm on the basis of

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  20. In Nereis , swarming occurs at night for

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