Q. Excess of manganese inhibits the translocation of ________ to the shoot apex :
(a) Calcium
(b) Potassium
(c) Iron
(d) Magnesium
Solution :
Correct option : A Manganese is a micronutrient that is responsible for the photolytic evolution of oxygen in plants. Excess manganese in the growth medium of the plant can interfere with the absorption, translocation, and utilization of other mineral elements such as calcium, magnesium, iron, and phosphorus. So, the correct answer is ‘Calcium’.