Consider the following statements : Choose the correct answer from the options given below :
- B only
- A only
- C only
- D only
Answer
(2) A only
Solution
A. Correct – annelids have a true coelom lined by mesoderm (coelomates).
B. Incorrect – poriferans are cellular-level animals with no body cavity.
C. Incorrect – aschelminthes are pseudocoelomates.
D. Incorrect – platyhelminthes are acoelomates.
Hence A only is correct.
Answer: (2)