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Question
Skeleton in class Demospongiae is in the form of
Skeleton in class Demospongiae is in the form of
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Solution
The correct option is C Both B and C
Most sponges belongs to the class Demospongiae. This class includes sponges with a skeleton made up of silicon-containing spicules or spongin fibers or both. The spongin fibre provides a matrix in which the spicules are embedded. It is economically important as it is used in bath sponge.Thus, the correct answer is option D.
Most sponges belongs to the class Demospongiae. This class includes sponges with a skeleton made up of silicon-containing spicules or spongin fibers or both. The spongin fibre provides a matrix in which the spicules are embedded. It is economically important as it is used in bath sponge.
Thus, the correct answer is option D.
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