Animal Kingdom Question 681
Penetrant, volvent and glutinant are types of humors [CPMT 1988]
Options:
A) Nematocysts of Cnidaria
B) Tentacles of Hydra
C) Zooids of Obelia
D) Tentacles of Obelia
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Answer:
Correct Answer: A
Solution:
Hydra has two types of nematocysts.
They are penetrants (largest).
Volvents (smallest) steroline glutinant (small atriechous) and streptoline glutinants (large holotrichous)
 BETA
  BETA 
             
             
           
           
           
          