Sponsor Area

Animal Kingdom

Question
CBSEENBI11002055

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

  • Indeterminate and radical cleavage during embryonic development

  • Exoskeleton composed of N-acetylglucosamine

  • Metamerically segmented body

  • Schizocoelom as body cavity

Solution

A.

Indeterminate and radical cleavage during embryonic development

Cockroach has determinate cleavage during emembryonic development and it develops into nymph, which is a fully developed cockroach.