A major nutrient in human body called 'Lipid' is also known as :

Question

Accepted Answer

Lipid, commonly known as 'Fat', is a major nutrient in the human body, and this is why Option 3 is the correct answer. Lipids are a diverse group of compounds that are insoluble in water but soluble in organic solvents. They play several critical roles in the body, including energy storage, serving as structural components of cell membranes, and acting as signaling molecules. Fats, a type of lipid, are essential for absorbing fat-soluble vitamins (A, D, E, and K) and providing insulation and protection to vital organs.

Now, let's examine why the other options are incorrect:

1. **Carbohydrate**: Carbohydrates are another class of macronutrients, but they are not lipids. They are primarily responsible for providing energy to the body. Carbohydrates are composed of sugar molecules and are found in foods like bread, rice, and fruits. They are not related to lipids in terms of structure or function.

2. **Protein**: Proteins are made up of amino acids and are crucial for building and repairing tissues, making enzymes and hormones, and supporting immune function. While proteins are essential nutrients, they are chemically distinct from lipids and serve different roles in the body.

3. **Mineral**: Minerals are inorganic elements that are vital for various bodily functions, such as bone formation, nerve function, and muscle contraction. Examples include calcium, potassium, and iron. Minerals are not lipids and do not share the same properties or functions as fats.

In summary, Option 3 is the correct answer because lipids are commonly referred to as fats, which are essential nutrients with specific roles in the human body. The other options represent different classes of nutrients that do not share the same characteristics or functions as lipids.