What gas is produced as a byproduct of photosynthesis?

Practice Questions

Q1
What gas is produced as a byproduct of photosynthesis?
  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Hydrogen

Questions & Step-by-Step Solutions

What gas is produced as a byproduct of photosynthesis?
Correct Answer: Oxygen
  • Step 1: Understand what photosynthesis is. It is the process by which plants make their own food using sunlight.
  • Step 2: Know that photosynthesis occurs in two main stages: the light reactions and the dark reactions.
  • Step 3: Focus on the light reactions, which happen when sunlight is available.
  • Step 4: During the light reactions, plants take in carbon dioxide and water.
  • Step 5: The energy from sunlight helps convert these into glucose (food) and oxygen.
  • Step 6: Recognize that oxygen is released into the air as a byproduct of this process.
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