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During unfavourable conditions, the spon...

During unfavourable conditions, the sponges form

A

cysts

B

encyst

C

gemmules

D

spicules

Text Solution

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The correct Answer is:
C
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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. In sponges, first food is ingested by the choanocytes and digestion is...

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

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  3. During unfavourable conditions, the sponges form

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  4. Which is not a larva of sponge ?

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  5. Which is not known to occur in Leucosolenia ?

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  6. The digestion food in Leucosolenia is stored in

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

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

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  9. Glass sponges belong to the class

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  10. The sponge showing commensalism with shrimps is

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  11. A sponge harmful to oyster industry is

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  12. Cnidarians exhibit

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

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  14. Cnidoblasts present on the tentacles, contain

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  15. In Physalia, nematoblasts paralyse the prey by

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

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  17. Which of the following inhabit freshwater bodies

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  18. The largest nematoblast in Hydra is

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  19. What structure in Hydra functionally corresponds to the pseudopodia of...

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  20. A chemical substance hypnotoxin is found in

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