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Q.
Which of the following statements is true?
Animal Kingdom
Solution:
The statement in option (b) is correct. Rest of the statement are incorrect and can be corrected as Phylum-Porifera have choanocyte cells, but nematocyst is present in cnidoblasts cells and is seen in animals that belong to phylum-Coelenterata. All ctenophoras exhibit radial symmetry. Wuchereria belongs to phylum-Aschelminthes.