Which of the following is true about oxygen in plants?
Oxygen is produced only for photosynthesis and is not used for any other purpose.
Oxygen is stored in the plant for animals to consume and use for cellular respiration.
Plants both produce and use oxygen for photosynthesis and cellular respiration, respectively.
Plants need to take in both carbon dioxide and oxygen for the process of photosynthesis.

Question

Which of the following is true about oxygen in plants? 
       Oxygen is produced only for photosynthesis and is not used for any other purpose.
       Oxygen is stored in the plant for animals to consume and use for cellular respiration.
       Plants both produce and use oxygen for photosynthesis and cellular respiration, respectively.
       Plants need to take in both carbon dioxide and oxygen for the process of photosynthesis.

anonymous · Answer

Plants both produce and use oxygen for photosynthesis and cellular respiration, respectively.