NEET Biology question

Which of the following features is not present in *Periplaneta americana*?

(A)Exoskeleton composed of N-acetylglucosamine polysaccharide
(B)Schizocoelom as body cavity
(C)Indeterminate and radial cleavage during embryonic developmentCorrect
(D)Metamerically segmented body

Answer: (C)

Solution

As a protostome, Periplaneta americana (cockroach) shows determinate and spiral cleavage during embryonic development, not indeterminate and radial cleavage, which is instead characteristic of

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Question ID VK-111299