Question

Light and dark reactions are interdependant Explain.

Answer 1

Interdependence of light and dark reaction : The two phases of photosynthesis, i.e. light and dark reactions are interdependent. The products of light reaction, i.e. ATP & NADPH2 (assimilatory power) are required for dark reaction i.e. for reduction of CO2 into glucose. During dark phase, ADP, iP, & NADP get regenerated, and are required for the synthesis of ATP & NADPH2 during light reaction. Thus the two are interdependent. The dark reactions also take place during day.