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Rhagon type canal system in present in...

Rhagon type canal system in present in

A

Echinodermata

B

All sponges

C

adult sponge

D

larval stage of some sponges

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The correct Answer is:
D
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ARIHANT NEET-ANIMALIA -I (LOWER INVERTEBRATES)-CHAPTER EXERCISES (Taking it together) Assorted Questions of the Chapter for Advanced Level Practise
  1. The inter-communicating cavities in the body of a sponge constitue

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  2. Canal system in sponges helps in

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  3. Rhagon type canal system in present in

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  4. The sponge body is supported by a skeleton made up of

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  5. In sponges, first food is ingested by the choanocytes and digestion is...

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  6. Which of the of following animal can successfully reproduce without ut...

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  7. During unfavourable conditions, the sponges form

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  8. Which is not a larva of sponge ?

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  9. Which is not known to occur in Leucosolenia ?

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  10. The digestion food in Leucosolenia is stored in

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  11. The animals in which sexes can be differentiated from external morphol...

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  12. Eggs of Ascaris that pass out of host body are

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  13. Glass sponges belong to the class

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  14. The sponge showing commensalism with shrimps is

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  15. A sponge harmful to oyster industry is

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  16. Cnidarians exhibit

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  17. The intermediate strcutureless layer found in coelenterates is known a...

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  18. Cnidoblasts present on the tentacles, contain

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  19. In Physalia, nematoblasts paralyse the prey by

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  20. Give below are types of cells present in some animals. Each one is spe...

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