Zoology-Non-Chordates
NEET Zoology Non-Chordates MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which combination of statements about the organization and characteristics of animals is correct?
A
Cnidarians exhibit tissue level of organization and have a complete digestive system.
B
Aschelminthes have a pseudocoelom and a complete alimentary canal.
C
Urochordata possess a notochord only in the larval stage and have bilateral symmetry.
D
Chordates are exclusively marine and possess an open circulatory system.
Correct Answer
Option B
Detailed Explanation
Aschelminthes (roundworms) are indeed pseudocoelomate with a complete alimentary canal. Cnidarians have a single opening for their digestive system, and Urochordata are not exclusively marine. Chordates have both marine and terrestrial representatives and can have closed circulatory systems.
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