Q. Which of the following statements are true/false?
I. Cell aggregate body plan is found in phylumPlatyhelminthes.
II. Radial symmetry is the most common symmetry found in animals.
III. Pseudocoelom is found only in phylumAschelminthes.
IV. All triploblastic animals have a true coelom.
V. Haemocoel is sometimes observed in animals belong to phylum-Platyhelminthes.

 826  136 Animal Kingdom Report Error

Solution:

Only the statement III is correct. Rest of the statements are incorrect and can be corrected as
Cell aggregate body plan is only found in phylum-Porifera.
Bilateral symmetry is the most common symmetry found in animals.
Triploblastic animals like Platyhelminthes lack a coelom. Haemocoel is present in Mollusca and Arthropoda.