Which of the following is NOT a product of the light reactions?

Practice Questions

Q1
Which of the following is NOT a product of the light reactions?
  1. ATP
  2. NADPH
  3. Glucose
  4. Oxygen

Questions & Step-by-Step Solutions

Which of the following is NOT a product of the light reactions?
Correct Answer: Glucose
  • Step 1: Understand what light reactions are. They are the first stage of photosynthesis that occurs in the thylakoid membranes of chloroplasts.
  • Step 2: Identify the main products of the light reactions. These include ATP (energy), NADPH (electron carrier), and oxygen (O2).
  • Step 3: Recognize that glucose is not produced during the light reactions. Instead, glucose is made later in the Calvin cycle, which uses the products from the light reactions.
  • Step 4: Conclude that the answer to the question is glucose, as it is not a product of the light reactions.
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