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What role does NADPH play in photosynthesis?

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Question: What role does NADPH play in photosynthesis?

Options:

  1. It stores energy
  2. It acts as an electron donor
  3. It is a byproduct
  4. It helps in water splitting

Correct Answer: It acts as an electron donor

Solution: 

NADPH acts as an electron donor in the Calvin cycle, providing the reducing power for carbon fixation.

What role does NADPH play in photosynthesis?

Practice Questions

Q1
What role does NADPH play in photosynthesis?
  1. It stores energy
  2. It acts as an electron donor
  3. It is a byproduct
  4. It helps in water splitting

Questions & Step-by-Step Solutions

What role does NADPH play in photosynthesis?
Correct Answer: NADPH ka role carbon fixation mein hai.
  • Step 1: Understand that photosynthesis is the process plants use to convert sunlight into energy.
  • Step 2: Learn that there are two main stages in photosynthesis: the light-dependent reactions and the Calvin cycle.
  • Step 3: Know that during the light-dependent reactions, sunlight is captured and used to create energy-rich molecules, including NADPH.
  • Step 4: Recognize that NADPH is a molecule that carries electrons and energy.
  • Step 5: Understand that in the Calvin cycle, which is the second stage of photosynthesis, plants need energy to convert carbon dioxide into glucose.
  • Step 6: Realize that NADPH provides the necessary electrons (reducing power) to help in this conversion process, known as carbon fixation.
  • Step 7: Conclude that without NADPH, the Calvin cycle would not be able to produce glucose efficiently.
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