NEET Biology question
Which of the following statements are true/false?
I. Cell aggregate body plan is found in phylum-Platyhelminthes. II. Radial symmetry is the most common symmetry found in animals. III. Pseudocoelom is only found in phylum-Aschelminthes. IV. All triploblastic animals have a true coelom. V. Haemocoel is sometimes observed in animals belonging to phylum-Platyhelminthes.
Answer: (D)
Solution
The cell-aggregate body plan belongs to Porifera, not Platyhelminthes (I false); bilateral, not radial, symmetry is most common among animals (II false); pseudocoelom is indeed uniquely characteristic of Aschelminthes among the common phyla (III true); triploblastic animals
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