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Ambulacral grroves are absent in...

Ambulacral grroves are absent in

A

Asteroidea

B

Crinoidea

C

Ophiuroidea

D

Starfish

Text Solution

Verified by Experts

The correct Answer is:
C
Ophiuroidea
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AAKASH INSTITUTE-ANIMAL KINGDOM (GENERAL ACCOUNTS & NON-CHORDATES)-Exercise
  1. Which of the following is not a characteristic feature of phylum mollu...

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  2. File-like rasping organ for feeding called as radula is present in all...

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  3. Mollusca is differentiated from other by

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  4. Osphradium of Pila is meant for

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  5. In which of the following class of phylum mollusca, torsion occurs?

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  6. Ink glands for protection and locomotion by jet propulsion mechanism i...

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  7. Trochophore larva occurs in

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  8. Pearls are obtained from

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  9. Which of the following statement is incorrect about circulatory system...

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  10. Eye of which molluscan group resembles vertebrate eye?

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  11. In which of the following phylum larvae are bilaterally symmetrical an...

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  12. Which of the following is not a characteristic feature of phylum echin...

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  13. Aristotle's lantern which helps in mastication is a characteristic fea...

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  14. Ambulacral grroves are absent in

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  15. In which of the following phylum all the animals are exclusively marin...

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  16. Bipinnaria is the larval stage of

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  17. Which of the following occurs in molluscs but not in Echinoderms?

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  18. Which of the following statement is incorrect about the phylum hemicho...

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  19. Which of the following following set of animals belong to phylum hemic...

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  20. Acorn worms are included in which of the following phylum?

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