Answer :

KOH absorbs CO₂ when placed in a bell jar, preventing the plant from performing photosynthesis. This demonstrates the crucial role of CO₂ in the photosynthesis process.

How does KOH affect the process of photosynthesis in the plant kept in a bell jar?

Potassium hydroxide (KOH) is commonly used in experiments to absorb carbon dioxide (CO₂). When KOH is placed inside the bell jar with a plant, it reacts with CO₂ to form potassium carbonate (K₂CO₃), which effectively removes CO₂ from the environment inside the jar. Since CO₂ is a crucial reactant in photosynthesis, its absence will inhibit the photosynthesis process.

Photosynthesis requires both light and CO₂ to produce glucose and oxygen. When KOH absorbs the CO₂, the plant is deprived of a necessary component for photosynthesis, resulting in reduced or completely halted glucose and oxygen production. This demonstrates the importance of CO₂ in the photosynthesis process.

To summarize, the presence of KOH in the bell jar removes CO₂, thereby hindering the ability of the plant to carry out photosynthesis.

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Rewritten by : Barada