Question
A student is revising Animal Diversity-I: a roundworm thrashes side to side rather than crawling with waves of circular muscles. What should the student write in the answer sheet?
Correct Answer: B
longitudinal muscles only
Nematodes mainly have longitudinal muscles and lack circular muscles. Their movement is a whip-like thrashing produced against the elastic cuticle and pseudocoelomic fluid. This MCQ belongs to the Nematoda topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
Nematodes mainly have longitudinal muscles and lack circular muscles. Their movement is a whip-like thrashing produced against the elastic cuticle and pseudocoelomic fluid. This MCQ belongs to the Nematoda topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
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