Q13 / 180 · AIIMS 2019 (26 May) · Botany

Assertion : Respiratory pathway is considered as an amphibolic pathway. Reason : Respiratory pathway involves both anabolism and catabolism.

  • Correct answer
    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C
    If assertion is true but reason is false.
  • D
    If both assertion and reason are false.

Solution

Amphibolic pathway is the one which is used for both breakdown (catabolism) and build-up (anabolism) reactions. Respiratory pathway is mainly a catabolic process which serves to run the living system by providing energy. However, the pathway produces a number of intermediates. Many of them are raw materials for building up both primary and secondary metabolites.

Hence, the correct answer is option: 'A'.

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