Which of the following is a symptom of Mn toxicity?
P. Appearance of brown spots surrounded by chlorotic veins
Q. Mn competes with Fe and Mg for uptake
R. Competes with Mg for binding with enzymes
S. Inhibits calcium translocation in shoot apex
T. It causes deficiency of Mg and Ca
U. It causes Chlorosis
V. It causes Necrosis
W. It causes inhibition of cell division
Which of the above are correct?
1. P, Q, R, S, T, U, V,
2. R, S, T, U, V, W
3. P, Q, R, S, T
4. Q, V, W

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