Question 31
Photosynthesis and Plant NutritionUse the information below on factors required during photosynthesis to answer this question.
I. CO2 II. Chlorophyll III. Water IV. ATP V. NADPH2
The factors required for the dark phase of photosynthesis are
- A.III and IV only
- B.III and V only
- C.III, IV and V only
- D.IV and V only
Show the answer and explanation
Answer: D (IV and V only)
Explanation
The dark stage uses ATP and NADPH2 from the light stage (with CO2) to make sugar; water is used only in the light stage.