Which surface is better adapted for gas exchange in plant leaves?

Water budget (transpiration ratio) required to produce $1$ gm of dry matter by $C_3$ and $C_4$ plants is approximately:

The diagram below shows three plants with identical leaf surface areas. Assuming all other conditions were identical for all three plants,which of the plants would likely photosynthesize slowest,and which fastest?

Why does the rate of photosynthesis decrease at higher temperatures?

What will be the effect of intermittent light on photosynthesis?

Solarization is a phenomenon in which .....