In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct?
- A$Pila \implies (i)$ Body unsegmented, $(ii)$ Mouth with radula, Phylum: Mollusca
- B$Asterias \implies (i)$ Spiny skinned, $(ii)$ Water vascular system, Phylum: Echinodermata
- C$Sycon \implies (i)$ Pore bearing, $(ii)$ Canal system, Phylum: Porifera
- D$Periplaneta \implies (i)$ Jointed appendages, $(ii)$ Chitinous exoskeleton, Phylum: Arthropoda
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Consider the following three statements $(A-C)$ and select the option which includes all the correct ones only:
$(A)$ The earthworm shows metameric segmentation.
$(B)$ Platyhelminthes shows organ level of body organisation.
$(C)$ In Aschelminthes,mesogloea is present between ectoderm and endoderm.
$(A)$ The earthworm shows metameric segmentation.
$(B)$ Platyhelminthes shows organ level of body organisation.
$(C)$ In Aschelminthes,mesogloea is present between ectoderm and endoderm.
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$(ii)$ In Arthropods,fertilization is external.
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$(i)$ Nephridia
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$(i)$ Nephridia
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