Which of the following is required by plants in the smallest quantity?

Question

Quizplus · Accepted Answer

Boron is required by plants in the smallest quantity and is considered a micronutrient. Though required only in trace amounts, boron is essential for maintaining cell wall structure and plays a critical role in plant reproduction and seed development. The other options listed, potassium, phosphorus, nitrogen, and sulfur, are all macronutrients needed in larger quantities by plants.

Which of the Following Is Required by Plants in the Smallest