Question
Biology Question on Nutrition
Which one of the following is a micronutrient for plants?
A
Calcium
B
Magnesium
C
Manganese
D
Nitrogen
Answer
Manganese
Explanation
Solution
Nutrients which are required in large amounts in functioning of plant are known as macronutrients eg. Ca, Mg, N. Nutrients required in trace amounts are known as micronutrients. Manganese is a micronutrient for plants essential for synthesis of chlorophyll. It is also required for activation of enzymes of respiration and nitrogen metabolism.