Which among the following is the amount of essential micronutrients required by plants?

Correct option is A

The correct answer is: A) Less than 10 mmole/kg of dry matter Micronutrients are required by plants in very small quantities, typically less than 10 mmol/kg of dry matter, but are vital for physiological functions.
Information Booster: • Examples: Zinc, Iron, Copper, Manganese, Boron. • Deficiency can lead to growth abnormalities.