Question

If plants need oxygen for cellular respiration, then why do plants release oxygen into the atmosphere? A. More oxygen is produced during photosynthesis than the plant needs for cellular respiration, so the plant needs to release the extra oxygen.
B. Plants need to collect more oxygen from the atmosphere because photosynthesis does not produce enough oxygen to meet their needs.
C. Plants need to release oxygen into the atmosphere so more carbon dioxide can enter the plant for photosynthesis.
D. Plants release oxygen into the atmosphere because the release of oxygen prevents the evaporation.

Answer 1

The correct answer is A. More oxygen is produced during photosynthesis than the plant needs for cellular respiration, so the plant needs to release the extra oxygen.

Answer 2

The correct answer is option A

A plant cell performs both the processes, cellular respiration and photosynthesis. Photosynthesis releases oxygen into the environment and cellular respiration requires oxygen.

The oxygen produced by the plants during the process of photosynthesis is much more than the amount of oxygen required for the cellular respiration.

So, the oxygen that is left after the process of cellular respiration is released into the environment.