Multiple choice

The prominent symptom of .........toxicity is the appearance of brown spots surrounded by chlorotic veins

  1. Mg

  2. Mo

  3. Mn

  4. All

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The characteristic symptom of manganese (Mn) toxicity is the appearance of brown spots surrounded by chlorotic veins. This occurs because Mn competes with iron and magnesium for uptake and inhibits calcium translocation.