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In phylum echinodermata, the classes hav...

In phylum echinodermata, the classes having padicellariae are

A

Crinoidea and Holothuroidea

B

Holothuroidea and Echinoidea

C

Asteroidea and Echinoidea

D

Ophiuroidea and Holothuroidea

Text Solution

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The correct Answer is:
C
Pedicillariae are small wrench or claw-shaped structures commonly found in echinoderms , particularly in class - Asteroidea , e.g., starfishes and Echinoidea , e.g. sea urchins .
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  1. Read the statements regerding echinoderms and choose th correct option...

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  2. This has mouth an lower side and anus on upper side

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  3. In phylum echinodermata, the classes having padicellariae are

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  4. Which one is an example of living fossil?

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  5. Juvenile hormone in insects is released from

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  6. Pentaradial symmetry is found in

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  7. In Polychaeta , the setae are

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  8. Radula is found in

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  9. Veliger larva occurs in phylum

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  10. Assertion : Open circulatory system is found in most arthropods. Rea...

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  11. One of the representative of Phylum arthropoda is

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  12. Which group of animals belong to the same phylum ?

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  13. What is the similarity between housefly , mosquito and cockroach ?

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  14. Which is not characteristic feature of arthopods

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

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

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  17. Pheretima and its close relatives derive nourishment from

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  18. Glochidium larva is absent in

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

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

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