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NEETBotanyPhotosynthesis in Higher Plants

Which type of plants respond to higher temperatures with a higher rate of photosynthesis?

Options

  1. AC3 plants
  2. BC4 plants
  3. CBoth C3 and C4 plants
  4. DNeither C3 nor C4 plants

Correct answer

B. C4 plants

Step-by-step solution

The dark reactions being enzymatic are temperature controlled. Though the light reactions are also temperature sensitive they are affected to a much lesser extent. The C4 plants respond to higher temperatures and show higher rate of photosynthesis while C3 plants have a much lower temperature optimum. The temperature optimum for photosynthesis of different plants also depends on the habitat that they are adapted to. Tropical plants have a higher temperature optimum than the plants adapted to temperate climates.

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