NEET Zoology Non-Chordates MCQ Question
Which combination of statements about animal classification is correct?
Coelomates have a body cavity lined by mesoderm; Acoelomates lack a body cavity.
Pseudocoelomates have a body cavity lined by ectoderm; Echinoderms are acoelomates.
All coelomates exhibit bilateral symmetry; Acoelomates have a complete digestive system.
Pseudocoelomates are characterized by a body cavity with scattered mesoderm pouches; Echinoderms are always bilaterally symmetrical.
Correct Answer
Detailed Explanation
Coelomates possess a body cavity lined by mesoderm, while acoelomates do not have a body cavity at all. This is a fundamental aspect of animal classification as described in the NCERT context.
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