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NEETZoologyStructural Organisation in Animals

Match List-I with List-II regarding the morphology of a cockroach. List-I List-II (A) Tegmina (I) Prothorax (B) Hindwings (II) Mesothorax (C) Pronotum (III) Metathorax (D) Walking legs (IV) All thoracic segments Choose the correct answer from the options given below:

Options

  1. A(A)-(III), (B)-(II), (C)-(I), (D)-(IV)
  2. B(A)-(II), (B)-(III), (C)-(I), (D)-(IV)
  3. C(A)-(II), (B)-(III), (C)-(IV), (D)-(I)
  4. D(A)-(III), (B)-(II), (C)-(IV), (D)-(I)

Correct answer

B. (A)-(II), (B)-(III), (C)-(I), (D)-(IV)

Step-by-step solution

The thorax of a cockroach consists of three segments: prothorax, mesothorax, and metathorax. (A) Tegmina (forewings) arise from the mesothorax. (B) Hindwings arise from the metathorax. (C) The pronotum is the large dorsal sclerite that covers the prothorax. (D) Each of the three thoracic segments bears one pair of walking legs, meaning they are present on all thoracic segments. Therefore, the correct matching is (A)-(II), (B)-(III), (C)-(I), (D)-(IV). Answer: (A)-(II), (B)-(III), (C)-(I), (D)-(IV)

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