Question

Production of oxygen during photosynthesis

is the byproduct of the breakdown of water.
is a direct result of the electron transport chain.
occurs during the light-independent reactions.
is the primary goal of photosynthesis.

Answer 1

The process that produces oxygen is the photosynthesis and when oxygen is released as the result of its production during photosynthesis, it is a by-product of splitting the water molecules. The reduction of oxygen which forms water occurs during respiration.