Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-plant-science-5607474b42b5

What gas do plants release into the air during photosynthesis?

Oxygen.

Start playing free

  1. Oxygen ✔
  2. Nitrogen
  3. Hydrogen

Why: Photosynthesis releases oxygen as a by-product, and nearly all living things need oxygen for cellular respiration.

Huh, didn't know that: Photosynthesis releases oxygen as a by-product, and nearly all living things need oxygen for cellular respiration.

The dad joke
Plants are great at giving us a breath of fresh air.
Like this card?
Play the game

References

Answer: Oxygen. Photosynthesis releases oxygen as a by-product, and nearly all living things need oxygen for cellular respiration.

  1. Botany en.wikipedia.org/wiki/Botany
    As a by-product of photosynthesis, plants release oxygen into the atmosphere
    Checked 2026-11-07.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

How Things WorkWhich plant part usually absorbs water and minerals from the soil?How Things WorkWhat are the two parts of a scientific plant name?How Things WorkWhy are scientific names useful to plant scientists?

That's stuff everyone should know.