Question 27
Photosynthesis and Plant NutritionThe process that takes place at the light stage of photosynthesis is
- A.Splitting of water molecules to form hydrogen ions.
- B.reduction of carbon (IV) oxide to form carbohydrate.
- C.formation of two molecules of phosphoglyceric acid.
- D.breaking down of ATP molecules to produce energy.
Show the answer and explanation
Answer: A (Splitting of water molecules to form hydrogen ions.)
Explanation
In the light stage, light energy splits water (photolysis) into hydrogen and oxygen; CO2 reduction happens in the dark stage.