Which of the following is a by-product of the process of photosynthesis?

Rationale

Molecular oxygen is a by-product of the process of photosynthesis.

During photosynthesis, plants convert carbon dioxide and water into glucose and oxygen, with oxygen being released as a by-product into the atmosphere. This process is vital for life on Earth, as it provides the oxygen necessary for respiration in most living organisms.

A (Ammonium nitrate) YOUR ANSWER

Ammonium nitrate is a compound typically associated with fertilizers and does not occur as a by-product of photosynthesis. Instead, it is produced through industrial processes involving ammonia and nitric acid, and it serves to provide nitrogen to plants rather than being a product of their photosynthetic activity.

B (Molecular oxygen) CORRECT

Molecular oxygen is produced during photosynthesis when water molecules are split to release oxygen gas. This oxygen is crucial for the respiration of aerobic organisms and plays a significant role in maintaining atmospheric composition.

C (Carbon dioxide) YOUR ANSWER

Carbon dioxide is actually a reactant in the photosynthesis process, not a by-product. It is absorbed by plants from the atmosphere and is utilized during the conversion of light energy into chemical energy, ultimately leading to the production of glucose and oxygen.

D (Sodium bicarbonate) YOUR ANSWER

Sodium bicarbonate, commonly known as baking soda, is not produced during photosynthesis. It is a compound that can form through various natural and chemical processes but is unrelated to the fundamental reactions involved in photosynthesis.

Conclusion

Photosynthesis results in the production of molecular oxygen as a vital by-product, alongside glucose. While carbon dioxide is consumed in this process, ammonium nitrate, sodium bicarbonate, and carbon dioxide do not originate from photosynthetic activity. The generation of oxygen is essential, supporting life on Earth and contributing to the balance of atmospheric gases.

Which of the following is a by-product of the process of photosynthesis?

Molecular oxygen is a by-product of the process of photosynthesis.

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