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Past Questions and Answers

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

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


Section A: Multiple Choice Questions (MCQs)


Which nutrient is essential for the formation and maintenance of healthy skin, hair, and nails?


a) Vitamin C

b) Vitamin E

c) Vitamin A

d) Vitamin K

Answer: c) Vitamin A

What is the primary function of potassium in the body?


a) Nerve transmission

b) Blood clotting

c) Oxygen transport

d) Bone health

Answer: a) Nerve transmission

Which of the following grains is gluten-free and suitable for individuals with gluten sensitivity?


a) Wheat

b) Barley

c) Quinoa

d) Oats

Answer: c) Quinoa

What is the main role of the liver in the digestive system?


a) Producing insulin

b) Detoxification and nutrient processing

c) Storing bile

d) Regulating blood pressure

Answer: b) Detoxification and nutrient processing

Which cooking method is likely to preserve more nutrients in vegetables: steaming or frying?


a) Steaming

b) Frying

c) Grilling

d) Boiling

Answer: a) Steaming

What is the recommended daily intake of fruits and vegetables for a healthy diet?


a) 1 serving

b) 3 servings

c) 5 servings

d) 8 servings

Answer: c) 5 servings

Which of the following is a good source of iron for vegetarians?


a) Salmon

b) Eggs

c) Spinach

d) Chicken

Answer: c) Spinach

What is the role of probiotics in the digestive system?


a) Break down carbohydrates

b) Enhance nutrient absorption

c) Support gut health

d) Produce bile

Answer: c) Support gut health

Which vitamin is crucial for blood clotting and bone health?


a) Vitamin C

b) Vitamin D

c) Vitamin K

d) Vitamin B12

Answer: c) Vitamin K

Which of the following is a good source of omega-6 fatty acids?


a) Olive oil

b) Flaxseeds

c) Walnuts

d) Sunflower oil

Answer: d) Sunflower oil


Section B: Theory Questions


Explain the term “glycemic index” and its relevance to a healthy diet.


Answer: The glycemic index measures how quickly carbohydrates in food raise blood sugar levels. Choosing low-glycemic foods helps maintain stable blood sugar, aiding in weight management and reducing the risk of diabetes.

Discuss the importance of fiber in the diet and its role in digestive health.


Answer: Fiber promotes digestive regularity, prevents constipation, and supports a healthy gut microbiome. It also helps control blood sugar levels and contributes to a feeling of fullness.

Explain the concept of “empty calories” and provide examples of foods that may contribute to this category.


Answer: Empty calories refer to foods high in calories but low in essential nutrients. Examples include sugary snacks, sodas, and processed foods, which may contribute to weight gain without providing nutritional benefits.

Discuss the impact of caffeine on the body and provide recommendations for moderate consumption.


Answer: Caffeine can improve alertness but excessive intake may lead to insomnia, jitteriness, and increased heart rate. Moderate consumption, typically 200-400 mg per day, is generally considered safe for most adults.

Explain the term “antinutrients” and provide examples of foods containing them.


Answer: Antinutrients are compounds that interfere with the absorption of nutrients. Examples include oxalates in spinach and phytates in legumes. While these compounds have potential health benefits, they can hinder nutrient absorption if consumed excessively.

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