Human Nutritiom

Question 1

What are the seven nutrients needed in a balanced diet?

Answer 1

• Carbohydrates
• Proteins
• Fats
• Vitamins
• Minerals
• Water
• Fibre

These nutrients are essential for maintaining health and supporting bodily functions.

Question 2

What is the importance of carbohydrates in human nutrition?

Answer 2

Carbohydrates provide energy for the body

They are the primary source of energy and are important for the proper function of the brain and muscles.

Question 3

What is the role of fats in the diet?

Answer 3

Fats provide energy and support cell growth

They also help in the absorption of certain vitamins and are vital for hormone production.

Question 4

Why are proteins important in human nutrition?

Answer 4

Proteins are essential for building and repairing tissues

They also play a key role in enzyme and hormone production.

Question 5

What are the dietary importance of vitamins C and D?

Answer 5

• Vitamin C: important for the immune system and skin health
• Vitamin D: essential for calcium absorption and bone health

Both vitamins are crucial for various bodily functions and overall health.

Question 6

What mineral salts are limited to in the context of dietary importance?

Answer 6

• Calcium
• Iron

Calcium is vital for bone health, while iron is important for oxygen transport in the blood.

Question 7

What is the significance of fibre in the diet?

Answer 7

Fibre aids in digestion and helps maintain bowel health

It also contributes to feelings of fullness and can help regulate blood sugar levels.

Question 8

What is the primary function of water in human nutrition?

Answer 8

Water is essential for hydration and maintaining bodily functions

It plays a crucial role in temperature regulation, nutrient transport, and waste elimination.

Question 9

What are the chemical elements of each class of food?

Answer 9

Classes of food include carbohydrates, proteins, and fats, each containing specific chemical elements

Carbohydrates primarily consist of carbon, hydrogen, and oxygen; proteins contain carbon, hydrogen, oxygen, and nitrogen; fats are composed of carbon, hydrogen, and oxygen.

Question 10

True or False: Vitamins and minerals are not considered essential nutrients.

Answer 10

False

Vitamins and minerals are vital for various biochemical processes in the body and must be obtained from the diet.