Consider the following statements:
Statement I: Photosynthesis occurs to release oxygen.
Statement II: Oxygen is the by-product of photosynthesis.
Statement I is correct
Statement I provides reason for Statement II
Statement II is correct
Both are correct
Oxygen is a by-product of photosynthesis. Photosynthesis primarily occurs to fix the inorganic carbon to organic carbon. Hence, the correct answer is option c.