EVERYDAY SCIENCE

Detailed explanation-1: -Some of the oxygen produced in the process of photosynthesis is used in respiration by the leaf cells but the major portion of it is not required and it diffuses out into the atmosphere through the stomata. Therefore, it may be called a waste product of photosynthesis.

Detailed explanation-2: -Raw materials required for photosynthesis are carbon dioxide and water. Oxygen is produced as a waste product.

Detailed explanation-3: -During oxidation, the oxygen combines with the food we eat, liberating energy and waste products (carbon dioxide and water).

Detailed explanation-4: -Because plants don’t use oxygen, they release it as a waste product through the same pores they used to take in carbon dioxide. This is very helpful for humans and other animals who breathe the oxygen that plants release into the atmosphere.