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  • The poisonous fluid present in the nematocyst of Hydra isOption: 1 ToxinOption: 2 Venom

The poisonous fluid present in the nematocyst of Hydra is

Option: 1

Toxin


Option: 2

Venom


Option: 3

Haematin


Option: 4

Hypnotoxin


Answers (1)

 

 

Cnidocytes / Cnidoblast -

  • The cnidocytes are the stinging cells present in the body wall of the cnidarians. 
  • Each cnidocyte contains an organelle called nematocyst. 
  • Nematocyst consists of chitinous barb which is filled with the hypnotoxin. 
  • A thread like structure is attached to the barb.
  • The outer wall of the cnidocyte has a touch-sensitive projection called cnidocil. 
  • When touched, the thread is fired from the cnidocyte and coils around the prey. 
  • The hypnotoxin is injected into the prey’s body. 

 

 

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Each cnidocyte contains an organelle called nematocyst. Nematocyst consists of
chitinous barb which is filled with the hypnotoxin.

Posted by

Kshitij

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