Which one of the following symptoms is not due to manganese toxicity in plants?
(a) Calcium translocation in shoot apex is inhibited
(b) Deficiency in both Iron and Nitrogen is induced
(c) Appearance of brown spot surrounded by chlorotic veins
(d) None of the above
Ans. The answer is the option (d) None of the above
Explanation: Toxicity of manganese occurs when plants absorb manganese in large amounts. This high intake causes deficiency in Iron and Nitrogen, Ca translocation in the shoot apex, brown spots surrounded by chlorotic veins.