AP BIOLOGY

Detailed explanation-1: -It is released as a by-product in cellular respiration. Therefore, carbon dioxide is an incorrect option. Option D: Oxygen is released as a by-product in the photosynthesis to the atmosphere.

Detailed explanation-2: -From the above information we have found that carbon dioxide is not released during photosynthesis. Instead of it oxygen is released. Hence, the correct answer is option (B). Note: All the living organisms directly or indirectly depend on photosynthesis as a source of food, energy and oxygen.

Detailed explanation-3: -Carbon dioxide (CO2) is a product of respiration and not photosynthesis. The CO2 released in the air is then absorbed or fixed by plants during photosynthesis.

Detailed explanation-4: -Final answer: During photosynthesis, oxygen is not released statement is NOT correct about photosynthesis.

Detailed explanation-5: -Glucose is the main product, while oxygen is the by-product of photosynthesis.