Temperature affects photosynthesis mainly by affecting

  1. the enzymes of the Calvin cycle
  2. the number of chloroplasts
  3. photolysis
  4. the absorption of light
Answer

A) the enzymes of the Calvin cycle

Rubisco and other enzymes are temperature-sensitive. AS & A Level Biology · Topic 13 Photosynthesis · 13.2 Investigation of limiting factors

Biology MCQ · More A Level Biology: Photosynthesis MCQs · Practise