How does light affect the rate of photosynthesis



As the amount of sunlight, or in this case light from a bulb increases (because it is a computer simulated experiment), more energy is absorbed, so more energy is available for the chemical reactions, thus, more photosynthesis takes place in a given time and more oxygen and glucose is released.

If the light intensity of the bulb decreases, less photosynthesis takes place because less energy is absorbed by the plant and less energy is available for the chemical reactions, decreasing the amount of oxygen released.

Furthermore, I predict that if the light intensity increases, the rate of photosynthesis will increase at a proportional rate until a certain level is reached. Eventually, a maximum level will be reached where an increase in light intensity will have no further effect on the rate of photosynthesis, as there will be another limiting factor that limits the rate, in this case probably temperature.


 
 
 
 
 
 



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