Question

Describe the role and deficiency symptom of any one macronutrients.

Answer 1

Macro nutrients are essential for protoplasmic and structural constituents.

Its excess doesn't  lead to toxicity.

For eg.

1. Nitrogen - Most required micronutrient in merstimatic cell and differentiating tissue, metabolically active cells . All types of major constituents for proteins , hormones, amino acids , vitamins
2. Deficiency  - Chlorosis in older leaves

Answer 2

Macronutrients are the substance required in large quantities in the diet.The three major macronutrients are Carbohydrates, proteins and fats.All these macronutrients are required for growth and metabolism of the body.                       Proteins are required for muscle growth.if there is deficiency in taking protein food it may result in marasmus....i.e .weakness of muscle,hairloss ,lean,loss of weight and appetite.