NEET 2008 Biology question

Ascaris is characterized by

(1)Presence of true coelom and metamerism (metamerisation)
(2)Absence of true coelom but presence of metamerism
(3)Presence of neither true coelom nor metamerismCorrect
(4)Presence of true coelom but absence of metamerism

Answer: (3)

Solution

Ascaris is an aschelminth (nematode). Its body cavity is a pseudocoelom (not lined by mesoderm on both sides), so it has no true coelom, and its body is

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Question ID VK-090042