(a) Define macro nutrients.
(b) Pick out micro nutrients from the list given below : Zinc, Calcium, iron, nitrogen, potassium,
(c) Name any three processes in plants which are affected by deficiency of nutrients.
(a) Macro nutrients - The nutrients required by the plants in large quantities are called macronutrients.
(b) Iron and Zinc.
Deficiency of these nutrients affects the physiological processes in plants including reproduction, growth and susceptibility to diseases.
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