What is the role of water in the light reactions?

Practice Questions

Q1
What is the role of water in the light reactions?
  1. To provide electrons
  2. To produce glucose
  3. To absorb light
  4. To fix carbon

Questions & Step-by-Step Solutions

What is the role of water in the light reactions?
Correct Answer: Water provides electrons through photolysis during the light reactions.
  • Step 1: Understand that light reactions happen in plants when they use sunlight.
  • Step 2: Know that water is one of the important ingredients needed for these reactions.
  • Step 3: Learn that water is split into oxygen and electrons in a process called photolysis.
  • Step 4: Realize that the electrons from water are used to help create energy for the plant.
  • Step 5: Remember that the oxygen produced is released into the air as a byproduct.
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