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🔬 Biology  ·  Structural Organisation in Animals  ·  NEET

The body of a cockroach (Periplaneta americana) is divided into which three main parts?

  • A Head, thorax, and abdomen
  • B Head, neck, and trunk
  • C Cephalothorax and abdomen
  • D Head, body, and tail

Correct answer: A. Head, thorax, and abdomen

Explanation: The cockroach body, typical of insects, is divided into head, thorax (bearing legs and wings), and abdomen, all covered by a chitinous exoskeleton.

Concept context

The four basic animal tissue types (epithelial, connective, muscular, neural) and the cockroach as a model organism for organ-system level organisation.

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