Question

177. Feature absent in periplaneta americana is
(1) Forewings are attached to prothorax
(2) Determinate and spiral cleavage during
embryonic development
(3) N-acetylglucosamine is the monomer for
polymer forming its exoskeleton
(4) Heart is neurogenic in nature
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Answer 1

Answer:

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I couldn't able to help you out with this question.....