chapter 10 Life Processes in Plants - Part 5

Which mineral deficiency causes weak stems, brown scorched leaf margins, and poor disease resistance?

Type: MCQ • Marks: 1
Which mineral deficiency causes weak stems, brown scorched leaf margins, and poor disease resistance?
Options
A. Potassium
B. Nitrogen
C. Sulfur
D. Magnesium
Explanation
Potassium regulates stomatal movement and enzyme activation; deficiency causes marginal leaf scorch and weak stems.
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