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Questions
Answer the following question.
Enlist macronutrients and micronutrients required for plant growth.
Long answer question.
Write on macro- and micro nutrients required for plant growth.
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Solution
- Macronutrients:
Some minerals like C, H, O, P, N, S, Mg, K, Ca required in large quantity for normal growth of the plant, are called macro elements. Macronutrients are required in large quantities. They mainly play nutritive and structural roles. - Micronutrients:
Some minerals like Cu, Mo, Mn, Cl, Bo, Zn required in small quantities for the growth of a plant, are called microelements.
Micronutrients are required in traces because they function in the catalytic role as co-factors.
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Match the following:
| Column 'A' | Column 'B' (Symptoms observed) |
||
| (1) | Deficiency of Cu | (a) | Malformed leaves |
| (2) | Deficiency of B | (b) | Leaves with yellow edges |
| (3) | Deficiency of Zn | (c) | Brown heart disease |
| (4) | Deficiency of K | (d) | Die back of shoot |
