A) Amoebocyte
B) Chromocyte
C) Choanocyte
D) Collenocyte
Correct Answer: A
Solution :
Archaeocytes are type of amoeboid cells with blunt pseudopodium and large nucleus. They play important role in reproduction and regeneration. They produce all type of cells and hence, known as totipotent cells. Chromocytes contain excretory substances and pigmented cells, which impart colour to the animals. Choanocytes are collar like cells with flagellum, they are concerned with digestion and create water current. Collenocytes are cells with their branching pseudopodia form connective tissue and probably nerve cells. They secrete spongin fibre of the mesohy layer.
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