Question

which set of elements become toxic when their concentration exceeds 10 mmol/kg of dry matter in plants​

Answer 1

Essential elements needed by plants in quantity more than 10 mmole kg 1 of dry matter are

Micronutrients are those essential elements which are required by plants in small amounts, less than 10 m mole/kg of dry matter. They are mostly involved in the functioning of enzymes. ... Micronutrients are eight in number - iron, manganese, copper, molybdenum, zinc, boron, chlorine and nickel.

I hope it helps.

please mark as Brainliest.