A) archeocytes
B) thesocytes
C) cnidoblasts
D) trophocytes
Correct Answer: C
Solution :
Cnidoblasts, stinging cells are unique cells of the phylum?Cnidaria, functions of cnidoblast cells are offence, defence and food capturing. Four types of cnidoblast cells are found in Hydra? (i) Penetrants or stenoteles ? food capturing (ii) Volvants or demonemes?food capturing (iii) Stereoline-glutinants?locomotion (iv) Streptoline glutinants?offence and defence. Archaeocytes (undifferentiated totipotent cells), thesocytes (with reserve food granules) and trophocytes (supply nutrients to developing cells, nurse cells), are cells of special purpose.
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