Where do the light reactions of photosynthesis occur?

Practice Questions

Q1
Where do the light reactions of photosynthesis occur?
  1. In the stroma
  2. In the thylakoid membranes
  3. In the cytoplasm
  4. In the mitochondria

Questions & Step-by-Step Solutions

Where do the light reactions of photosynthesis occur?
Correct Answer: Thylakoid membranes of chloroplasts
  • Step 1: Understand that photosynthesis is the process plants use to make food using sunlight.
  • Step 2: Know that photosynthesis has two main parts: light reactions and dark reactions.
  • Step 3: Focus on the light reactions, which need sunlight to happen.
  • Step 4: Learn that these light reactions occur in a part of the plant cell called chloroplasts.
  • Step 5: Within the chloroplasts, there are special structures called thylakoids.
  • Step 6: The light reactions specifically take place in the membranes of these thylakoids.
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