Explain the concept of a balanced diet, the importance of water for living organisms, and the roles of different food classes and vitamins.

THEORY

1. What is Balance Diet? (2 marks)
A balanced diet is a diet that provides all the essential nutrients—carbohydrates, proteins, fats, vitamins, minerals, and water—in the correct proportions and adequate amounts to maintain health, support growth, and ensure proper body function.

2. Mention 2 importance of water to living organism (2 marks)

• Water acts as a universal solvent, facilitating the transport of nutrients, hormones, and waste products throughout the body.
• Water helps in regulating body temperature through processes like sweating and evaporation.

3. Tabulate (4) food classes and their importance (4 marks)

Food Class	Importance
Carbohydrates	Primary source of energy for the body.
Proteins	Essential for growth, repair of tissues, and the production of enzymes and hormones.
Fats	Provide concentrated energy, insulate the body, and protect vital organs.
Vitamins	Regulate various body processes and help maintain overall health and immunity.

4. Mention two types of vitamin with one example each (2 marks)

• Water-soluble vitamins: Example: Vitamin C (Ascorbic acid).
• Fat-soluble vitamins: Example: Vitamin A (Retinol).