Question

1. which nutrient is primarily responsible for providing insulation and protecting organs?

water
fat
carbohydrates
proteins

1. which of the following is a source of complete protein? *

beans
chicken
rice
nuts

1. what is the main function of dietary fiber? *

provide energy
build muscle mass
protect against infections
aids in digestion

Explanation:

• For question 7: Fat acts as an insulator and protects organs. Water is for hydration, carbohydrates are for energy, and proteins are for growth and repair.
• For question 8: Chicken is a source of complete protein as it contains all essential amino - acids. Beans, rice, and nuts are incomplete proteins.
• For question 9: Dietary fiber aids in digestion by adding bulk to the stool and promoting regular bowel movements. It doesn't provide energy directly like carbohydrates, build muscle like proteins, or protect against infections like some vitamins and minerals.

Answer:

1. B. Fat
2. B. Chicken
3. D. Aids in digestion