alleryWhich factor below is a limiting factor for photosynthesis?
ALight intensity reaching the leaves
BColour of the soil under the plant
CMass of the flower petals on the plant
DNumber of root hairs on side roots
Answer & Solution
Correct answer: A. Light intensity reaching the leaves
1. Light intensity drives the light reaction directly.
2. At low light, less ATP and NADPH form and the rate falls.
3. Above the saturation point another factor limits the rate.
4. So light intensity is a limiting factor.
_Source: Selina Concise Biology Class 10, Ch on Photosynthesis (Mistral OCR'd PDF), section on limiting factors_
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