Question

(1) During photosynthesis plants use.
(a) oxygen gas
(b) nitrogen gas
et carbon dioxide gas
(d) None of the above​

Answer 1

(c) Carbon Dioxide

During photosynthesis, plants take atmospheric carbon dioxide, water from soil and solar energy. They use these to make their food, i.e., glucose (C6H12O6), and release oxygen.

Answer 2

C - carbon dioxide

During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. ... This transforms the water into oxygen and the carbon dioxide into glucose.