What is one of the important functions of Potassium in plants?

• A. Improves protein content
• B. Supports flowering
• C. Enhances stress resistance
• D. Facilitates chlorophyll production

Answer: (C)

Potassium plays a significant role in enhancing stress resistance in plants. It helps regulate various physiological processes including water loss through transpiration, as well as the opening and closing of stomata. When plants are under stress from drought or disease, potassium aids in maintaining turgor pressure, which is crucial for cell function and overall plant health. This ability to manage water efficiently allows plants to withstand unfavorable conditions, making potassium essential for their resilience and growth during challenging times.

The other options, while relevant to plant functions, do not directly highlight potassium's primary role. While potassium can influence protein content, support flowering, and facilitate chlorophyll production, these are not its main functions. Rather, potassium's key contribution lies in its ability to help plants cope with environmental stresses, ensuring they can thrive even when conditions are less than ideal.