Limiting Factors In Photosynthesis

Question 1

How does light affect rate of photosynthesis?

Answer 1

Light is need for photosynthesis so the more light the faster photosynthesis, until a certain. Beyond this point there is a limiting factor

Question 2

What is inversely proportional to light intensity?

Answer 2

Distance from lamp, and the inverse square law for this is :

Light intensity xc 1/distance (d) ^2

Question 3

How does CO2 effect the rate of photosynthesis?

Answer 3

It is needed for photosynthesis, so as CO2 increase photosynthesis increases , until a certain point, at this point CO2 is no longer a limiting factor , temperature limits photosynthesis

Question 4

How does temperature affect photosynthesis?

Answer 4

If temperature is limiting it’s too low , as enzymes work best for photosynthesis at higher temperatures, but if they get too hot they denature this means no photosynthesis usually happens at at 45° C - greenhouses