Question

Name the source of oxygen given out during photosynthesis

Answer 1

When plants convert light energy into chemical energy, it is calledphotosynthesis. The source of the oxygen produced by photosynthesis is water. Bycomparison, the second group of plants was given radioactively-labeled carbon dioxide and unlabeled water.

Answer 2

By comparison, the second group of plants was given radioactively-labeled carbon dioxide and unlabeled water. Results showed that the oxygen released from the first group of plants was radioactive, confirming that water is the source of the oxygen produced by photosynthesises