Science Chapter 3 Form 2

Which of the following is NOT a class of food?

• Carbohydrates

• Vitamins

• Proteins

• Fats

What nutrient is primarily responsible for providing energy to the body?

• Carbohydrates

• Proteins

• Fats

• Minerals

How can the presence of starch be tested in a food sample?

• Using iodine solution

• Using Benedict's solution

• Using Biuret reagent

• Using Sudan III solution

Which nutrient is essential for repairing and building tissues in the body?

• Carbohydrates

• Proteins

• Fats

• Vitamins

What is the main purpose of a balanced diet?

• To lose weight quickly

• To ensure adequate intake of all essential nutrients

• To eliminate all fats from the diet

• To consume only one type of food at each meal

How can the importance of a balanced diet, exercise, and a healthy lifestyle be justified?

• By promoting weight gain

• By preventing diseases and promoting overall health

• By causing fatigue and weakness

• By leading to excessive calorie intake

Which nutrient is the most energy-dense and provides long-term energy storage in the body?

• Carbohydrates

• Proteins

• Fats

• Vitamins

How can the presence of glucose be tested in a food sample?

• Using iodine solution

• Using Benedict's solution

• Using Biuret reagent

• Using Sudan III solution

Which organ is responsible for the digestion of proteins?

• Stomach

• Liver

• Small intestine

• Large intestine

What is the function of villi in the small intestine?

• To secrete digestive enzymes

• To absorb nutrients into the bloodstream

• To store bile

• To produce mucus