Tropical plants such as sugarcane show high efficiency of CO2 fixation because of:

Correct answer: B. Hatch-slack

  • A. Calvin cycle
  • B. Hatch-slack
  • C. TCA-cycle
  • D. All of these

Explanation

The high efficiency of carbon dioxide (CO2) fixation in C4 plants, including tropical plants like sugarcane, is indeed associated with the Hatch-Slack pathway. The Hatch-Slack pathway, also known as C4 photosynthesis, is a mechanism that allows these plants to efficiently fix carbon dioxide even under high temperatures and intense sunlight.

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