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Sponges are porifers because their bodie...

Sponges are porifers because their bodies have

A

canal system

B

several pores

C

spicules in skeleton

D

All of these

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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. Who described the animals nature of Porifera ?

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  2. Sponges form a sideline of evolution hence called

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  3. Sponges are porifers because their bodies have

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  4. Which cell of Leucosolenia sponge is self-replicating and capable of g...

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  5. Which one of the following cells take part in reproduction of sponges ...

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  6. Gametes in Leucosolenia are derived from

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  7. The cells surrounding the osculum in sponges are

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  8. The cells which line the spongocoel and the canals are called

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  9. Which of the following feature is universally present in all sponges

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  10. The inter-communicating cavities in the body of a sponge constitue

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  11. Canal system in sponges helps in

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  12. Rhagon type canal system in present in

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

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

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

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  16. During unfavourable conditions, the sponges form

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  17. Which is not a larva of sponge ?

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  18. Which is not known to occur in Leucosolenia ?

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  19. The digestion food in Leucosolenia is stored in

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

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