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Past Questions and Answers

WAEC Food and Nutrition Past Questions And Answers (Objective and Theory)

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WAEC Food and Nutrition Past Questions And Answers (Objective and Theory)


Section A: Multiple Choice Questions (MCQs)


Which macronutrient provides the highest amount of energy per gram?


a) Protein

b) Carbohydrates

c) Fat

d) Fiber

Answer: c) Fat

What is the primary function of carbohydrates in the body?


a) Energy source

b) Muscle building

c) Immune support

d) Bone strength

Answer: a) Energy source

Which vitamin is essential for calcium absorption and bone health?


a) Vitamin C

b) Vitamin D

c) Vitamin A

d) Vitamin K

Answer: b) Vitamin D

Which of the following minerals is crucial for nerve function and muscle contraction?


a) Iron

b) Magnesium

c) Zinc

d) Iodine

Answer: b) Magnesium

What is the recommended daily water intake for the average adult?


a) 1 liter

b) 2 liters

c) 3 liters

d) 4 liters

Answer: b) 2 liters

Which type of fat is generally considered healthier and is found in olive oil and avocados?


a) Saturated fat

b) Trans fat

c) Monounsaturated fat

d) Polyunsaturated fat

Answer: c) Monounsaturated fat

What nutrient is crucial for the formation of red blood cells and oxygen transport in the body?


a) Vitamin C

b) Folate (Vitamin B9)

c) Vitamin A

d) Vitamin K

Answer: b) Folate (Vitamin B9)

Which food is an excellent source of omega-3 fatty acids?


a) Beef

b) Salmon

c) Eggs

d) Chicken

Answer: b) Salmon

What is the primary function of dietary fiber in the digestive system?


a) Energy storage

b) Muscle building

c) Digestive regularity

d) Immune support

Answer: c) Digestive regularity

Which of the following is a complete protein source, containing all essential amino acids?


a) Lentils

b) Quinoa

c) Rice

d) Pasta

Answer: b) Quinoa

What is the role of antioxidants in the body?


a) Promote inflammation

b) Fight oxidative stress

c) Enhance cholesterol levels

d) Increase blood pressure

Answer: b) Fight oxidative stress

Which mineral is essential for the formation of thyroid hormones?


a) Iron

b) Zinc

c) Iodine

d) Calcium

Answer: c) Iodine

Which fruit is known for its high vitamin C content?


a) Banana

b) Orange

c) Apple

d) Grapes

Answer: b) Orange

What is the main function of the pancreas in digestion?


a) Producing bile

b) Storing nutrients

c) Regulating blood sugar

d) Producing digestive enzymes

Answer: d) Producing digestive enzymes

Which of the following is a rich source of calcium for bone health?


a) Spinach

b) Almonds

c) Milk

d) Salmon

Answer: c) Milk


Section B: Theory Questions


Explain the importance of a balanced diet in maintaining overall health.


Answer: A balanced diet provides the necessary nutrients, vitamins, and minerals needed for bodily functions, energy production, and disease prevention. It supports proper growth, development, and maintains optimal health.

Describe the impact of excessive sugar consumption on health and suggest ways to reduce sugar intake.


Answer: Excessive sugar intake is linked to obesity, diabetes, and cardiovascular issues. To reduce sugar intake, limit processed foods, choose natural sweeteners, and be mindful of hidden sugars in beverages and snacks.

Discuss the role of hydration in promoting good health and provide tips for staying adequately hydrated.


Answer: Hydration is crucial for digestion, temperature regulation, and nutrient transport. To stay hydrated, drink sufficient water throughout the day, consume water-rich foods, and adjust intake based on activity levels and climate.

Explain the concept of “good” and “bad” cholesterol, and how dietary choices can impact cholesterol levels.


Answer: HDL is “good” cholesterol, while LDL is “bad.” Healthy fats, exercise, and a balanced diet contribute to higher HDL and lower LDL, reducing the risk of cardiovascular diseases.

Discuss the importance of protein in muscle building and repair, and provide examples of good protein sources.


Answer: Proteins are essential for muscle building and repair. Good sources include lean meats, poultry, fish, beans, and dairy products. A balanced diet ensures an adequate protein intake for overall health.

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