Revision Notes For For Class 11 Biology Chapter 12 Mineral Nutrition

Nutrition is the supply and absorption of essential compounds required for the normal growth, development, and metabolism of plants. Mineral Nutrition mainly refers to the absorption, assimilation, and utilization of minerals or inorganic compound by plants for the synthesis of essential material for their growth, development, structure, and physiology. These Mineral Nutrition are classified into two main groups based on their requirements by the plants.

CBSE Notes Class 11 Biology Chapter 12 Mineral Nutrition

Macronutrients – It is also referred to as the major elements. These nutrients are required in larger amounts by plants and they include hydrogen, carbon, oxygen, phosphorus, nitrogen, sulphur, calcium, potassium and magnesium.

Micronutrients – It is also referred to as the minor elements or trace elements. These nutrients are required in very small amounts by plants and they include chlorine, copper, boron, iron, manganese, molybdenum, and zinc.

For more information about the Mineral Nutrition, click on the below-mentioned links.

Nutrients Minerals
Mineral Nutrition Mineral Toxicity
Minerals In Food Micronutrients

Frequently asked Questions on CBSE Class 11 Biology Notes Chapter 12: Mineral Nutrition

Q1

What is ‘Mineral toxicity’?

The term mineral toxicity refers to a condition in which the concentration in the body of any one of the minerals necessary for life is abnormally high, and which has an adverse effect on health.

Q2

What are ‘Micronutrients’?

Micronutrients are vitamins and minerals needed by the body in very small amounts.

Q3

What is ‘Nutrient density’?

The nutrient density of a food is the ratio of beneficial ingredients to the food’s energy content for the amount that is commonly consumed.

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