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Solution


Q.

Which of the following features is not present in Periplaneta americana                     [2016]
1 Exoskeleton composed of N-acetylglucosamine  
2 Metamerically segmented body  
3 Schizocoelom as body cavity  
4 Indeterminate and radial cleavage during embryonic development  

Ans.

(4)

In insects, cleavage is superficial.