BOTANISTS!!!!! need ur help.........answer and win noble prize!!!?

Question

q no 1: if due to any reason , the dark reaction of photosynthesis not occur( like due to CO2 absence etc) then wat will happen to the hydrogen ( which under normal conditions is meant to be used in dark reaction)

q no 2 : which are those destructible enzymes which will halt the dark rxn and the light rxn respectively???

Answer 1

1.  Nothing because it has no CO2 to react with to make sugar.

2.  RuBisCO for both.