A) Euplectella
B) dried spongin fibre skeleton
C) skeleton of Spongilla
D) dry Leucosolenia
Correct Answer: B
Solution :
The water absorbing power of Spongia is due to the capillary force of the fine meshes of the spongin net. The flexible spongin skeleton is bleached, trimmed to required size, dried, sorted and marketed.
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