The formation of chlorophyll in young plant seedlings is induced by .........

Why does the rate of photosynthesis decrease at higher temperatures?

The graph shows the relationship between light intensity and the exchange of carbon dioxide by plant leaves. Why is the maximum amount of carbon dioxide released when the light intensity is $0$ units?

Which of the following statements is $NOT$ consistent regarding the factors affecting the rate of photosynthesis?

If the temperature increases beyond $35^{\circ}C$,what will happen?

When $NaHCO_3$ is added in small quantity in an experiment showing photosynthesis,what will be the effect on it?