What will be the effect when very high intensity of light is supplied to a photosynthesis system?

The algae found in high-temperature ponds are capable of performing photosynthesis up to (in $^\circ C$)

In the presence of .........,the synthesis of chlorophyll is observed in angiosperms.

Which $C_3$ plants are used in greenhouse crops?

The figure shows the effect of light on the rate of photosynthesis. Based on the graph,answer the following questions:
$(a)$ In which region/s (indicated by arrows) is light a limiting factor?
$(b)$ What could be the limiting factor/s in the region where the rate of photosynthesis becomes constant?
$(c)$ What does the point where the curve flattens represent?

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