Write the role of different nutrients like nitrogen, phosphorus, potassium, magnesium, Iron, manganese and zinc and effects of their deficiency on plants.

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Answer:
Role of nutrients and effects of their deficiency on plants:

Nutrients Function Effects of deficiency

Nitrogen Important components of proteins, chlorophyll and cytoplasm. Retarded/stunted growth, yellowing of leaves.

Phosphorus Conversion of light energy into chemical energy. Early leaf-fail, late flowering, slow growth of roots.

Potassium Necessary for metabolic activities. Weak stem, wilting of leaves, failure to produce carbohydrates.

Magnesium Production of chlorophyll Slow/retarded growth, yellowing of leaves.

Iron Production of chlorophyll Yellowing of leaves

Manganese Production of main plant hormones Retarded growth, spotted leaves

Zinc Production of hormones and their intermediates Retarded growth, yellowing of leaves

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Q. Write one deficiency symptom of the following mineral elements to plants.
(i) Nitrogen
(ii) Molybdenum
(iii) Phosphorus
(iv) Zinc
(v) Magnesium

Q. Mention the role of the following nutrients in plants. Also, mention at least two effects of their deficiency.

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Nutrients	Function	Effects of deficiency
Nitrogen	Important components of proteins, chlorophyll and cytoplasm.	Retarded/stunted growth, yellowing of leaves.
Phosphorus	Conversion of light energy into chemical energy.	Early leaf-fail, late flowering, slow growth of roots.
Potassium	Necessary for metabolic activities.	Weak stem, wilting of leaves, failure to produce carbohydrates.
Magnesium	Production of chlorophyll	Slow/retarded growth, yellowing of leaves.
Iron	Production of chlorophyll	Yellowing of leaves
Manganese	Production of main plant hormones	Retarded growth, spotted leaves
Zinc	Production of hormones and their intermediates	Retarded growth, yellowing of leaves