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short note on factors affecting photosynthesis in plants

short note on factors affecting photosynthesis in plants

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Grade:10

1 Answers

Vasanth SR
askIITians Faculty 1335 Points
2 years ago
Light intensity

Without enough light, a plant cannot photosynthesise very quickly - even if there is plenty of water and carbon dioxide. Increasing the light intensity will boost the rate of photosynthesis.

Carbon dioxide concentration

Even if there is plenty of light, a plant cannot photosynthesise if there is insufficient carbon dioxide.

Temperature

If it gets too cold, the rate of photosynthesis will decrease. Plants cannot photosynthesise if it gets too hot.

​If you plot the rate of photosynthesis against the levels of these three limiting factors, you get graphs like the ones shown above.

In practice, any one of these factors could limit the rate of photosynthesis.

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