Phylum: Porifera
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Canal system is characteristics of: *
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Classification of porifera is on the basis of: *
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Which of the following is the fresh water sponge? *
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The life line of sponges is: *
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Spongin fibres are present in: *
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Parenchymula is the larva of: *
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The incurrent canal of sponges are lined by: *
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Choanocyte cells are found in: *
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Skeleton of sponges is secreted  by: *
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The sponges differs from other animals by the presence of: *
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Reproductive cells in sponges are formed from: *
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What are the main cells of which poriferans outer walls are made? *
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Amphiblastula is larva of: *
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Incurrent canal is associated with: *
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Which one of the following is the classes of porifera? *
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