Multiple choice

Rate of photosynthesis is independent of

  1. intensity of light

  2. duration of light

  3. quality of light

  4. temperature
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The rate of photosynthesis (how fast it occurs at any moment) depends on light intensity (brighter light drives faster reactions), quality of light (specific wavelengths are absorbed), and temperature (affects enzyme activity). Duration (how long light is available) affects total photosynthetic output over time but not the instantaneous rate - a plant doesn't photosynthesize 'faster' just because the daylight period is longer.

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