Food, Nutrition, and Health - JSS1 Physical and Health Education Past Questions and Answers - page 2
What are the two main roles of proteins in the body?
Proteins are essential for building and repairing tissues, and they play a vital role in the production of enzymes and hormones.
How do fats and oils contribute to overall health?
Fats and oils provide a concentrated source of energy, help absorb fat-soluble vitamins (A, D, E, K), and are crucial for cell membrane structure and hormone production.
Why is calcium important for the body, and what are some good sources of it?
Calcium is important for bone formation and maintenance, and good sources include dairy products, leafy greens, and fortified foods.
Calcium is important for bone formation and maintenance, and good sources include dairy products, leafy greens, and fortified foods.
Water is essential for digestion, nutrient absorption, waste elimination, temperature regulation, and maintaining fluid balance.
What are the benefits of consuming foods rich in Vitamin C?
Vitamin C helps boost the immune system, aids in the repair of tissues, and enhances iron absorption. It is also an antioxidant that protects cells from damage.
Which foods are high in iron, and why is iron important?
Foods high in iron include red meat, poultry, fish, lentils, and spinach. Iron is crucial for the formation of hemoglobin, which carries oxygen in the blood.
Describe the role of carbohydrates in the diet and list some carbohydrate-rich foods.
Carbohydrates are the body's main source of energy. Carbohydrate-rich foods include grains (wheat, rice, oats), vegetables (potatoes, corn), fruits (bananas, apples), and legumes (beans, lentils).
What are the different sources of Vitamin D, and why is it essential?
Vitamin D can be obtained from sunlight exposure, fortified milk, and fatty fish. It is essential for maintaining healthy bones and teeth, supporting the immune system, and regulating calcium and phosphorus levels in the blood.