Multiple choice

______ is generated as a 'waste' during photosynthesis in plants.

  1. Water

  2. Oxygen

  3. Carbon dioxide

  4. Nitrogen

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During photosynthesis, plants use carbon dioxide and water to produce glucose. Oxygen is released as a byproduct or waste gas into the atmosphere through the stomata.