Moderate

In day time plants release_________________?

Correct answer: A. Oxygen

  • A. Oxygen
  • B. Carbon dioxide
  • C. Nitrogen
  • D. Hydrogen

Explanation

During daylight, photosynthesis generally exceeds respiration in green plants, giving a net release of oxygen. Plants also respire continuously, but their daytime gas exchange is usually dominated by photosynthesis.

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