Question

Which of the following is not a macronutrient?

• A. Carbohydrates
• B. Calcium
• C. Chlorine
• D. Proteins

Answer 1

The correct option is C

Chlorine

The correct option is C.

The explanation for the correct option:

1. Chlorine is a micronutrient, not a macronutrient.
2. A nutrient refers to a component, which is consumed by the organism to grow, survive and reproduce.
3. Nutrients are differentiated into two kinds, that is, macronutrients and micronutrients.
4. The nutrients, which are required in larger amounts are macronutrients like proteins, carbohydrates, etc.
5. The nutrients, which are required in trace amounts are micronutrients like chlorine and vitamins.
6. Micronutrients are essential for the proper functioning of metabolism, they help to control the processes within the body, and also help to repair and build damaged tissues.

The explanation for the incorrect options:

Option A:

1. Carbohydrates are required by the body in larger amounts.
2. It is the major source of energy, therefore, it is a macronutrient.

Option B:

1. Calcium is also a macronutrient.
2. It is required for performing the majority of the cellular processes within the body like contraction and relaxation of muscles, the transmission of nerve impulses, etc.

Option D:

1. Protein is also a macronutrient.
2. It provides structural support to the cell.
3. Proteins are the building blocks of the cells, which are formed of many units of amino acids.
4. Proteins along with carbohydrates and fats are the prime sources of energy.

Final answer: Chlorine is not a macronutrient.