Which of the following nutrient elements is responsible for resistance to plant disease?

A. P₂O₅

B. B

C. Mo

D. K

Answer: Option D

Solution(By Examveda Team)

Potassium is the nutrient element responsible for resistance to plant disease.
Disease resistance is the ability to prevent or reduce the presence of diseases in otherwise susceptible hosts. And potassium is an essential element for plant growth it is important to food crops. It helps use water and resist drought and enhances fruits and vegetable production.