CCA Ontario Nutrient Management Practice Exam

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What is Zinc primarily associated with in plants?

Water regulation

Part of enzyme systems

Zinc plays a crucial role in plant biology as it is a vital component of numerous enzyme systems. It is involved in processes such as carbohydrate metabolism, protein synthesis, and the synthesis of plant hormones. Zinc acts as a cofactor for over 300 different enzymes that facilitate biochemical reactions necessary for plant growth and development. These enzymes are essential for various physiological responses, including stress tolerances and reproduction.

While zinc contributes to other aspects of plant health, such as influencing photosynthesis indirectly by supporting enzyme functions, its primary association is through its direct involvement in enzyme systems. This showcases the significance of zinc in maintaining the overall metabolic processes in plants, ensuring their ability to thrive in varied environmental conditions.

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Photosynthetic activity

Defensive mechanism against pests

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