JEE Main2013ChemistryBiomoleculesActual
Synthesis of each molecule of glucose in photosynthesis involves
Options
- A8 molecules of ATP
- B6 molecules of ATP
- C18 molecules of ATP
- D10 molecules of ATP
Correct answer
C. 18 molecules of ATP
Step-by-step solution
Synthesis of glucose molecule in photosynthesis involves following reaction: 1 2 H 2 O + 1 2  NADP  + 18 ADP  ⟶ Light reaction 6 O 2 + 1 8  ATP + 1 2  NADPH 6 CO 2 + 1 2  NADPH + 1 8  ATP ⟶ Dark reaction C 6 H 1 2 O 6 + 1 2  NADP + 1 8  ADP + 6 H 2 O 6 CO 2 + 6 H 2 O ⟶ C 6 H 1 2 O 6 + 6 O 2