Q.
Which one of the following statement regarding coelom of given animals is correct?
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a
Round worms (aschelminthes) are pseudocoelomates.
b
Molluscs are acoelomates.
c
Insects are pseudocoelomates.
d
Flatworms (platyhelminthes) are coelomates.
answer is A.
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Detailed Solution
Acoelomates are animals that have no body cavity or coelom. E.g., poriferans, coelenterates, ctenophores, flatworms, etc. Pseudocoelomates are animals that have false or pseudocoelom. E.g., Aschelminthes. Coelomates are animals that have true coelom enclosed by mesoderm on both sides. E.g., Annelida to Arthropoda.
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