Neco Model Questions Vol1 2022 Biology Question 3

Practice essay / theory question 3 from the 2022 Neco Model Questions Vol1 Biology examination. This question covers Nutrition .

Neco Model Questions Vol1 2022 Biology Essay / Theory

Topic: Nutrition

Question 3 NECO_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • essay

A secondary school student consumes the following foods in a typical lunch: - 300 g of boiled white rice (per 100 g: 28 g carbohydrate, 2.7 g protein, 0.3 g fat) - 150 g of boiled beans (per 100 g: 21 g carbohydrate, 9 g protein, 0.5 g fat) - 50 g of fried plantain (per 100 g: 31 g carbohydrate, 1.3 g protein, 0.4 g fat) Using the Atwater factors (carbohydrate = 4 kcal · g⁻¹, protein = 4 kcal · g⁻¹, fat = 9 kcal · g⁻¹), answer the questions below.

Question Parts

( a )

Calculate the total energy (in kilocalories) supplied by the lunch.

( b )

Vitamin A is essential for normal vision and immune function. Discuss the consequences of a prolonged vitamin A deficiency in school‑age children, including clinical manifestations and preventive measures.

( c )

Explain how blood glucose concentration is regulated in the body immediately after a carbohydrate‑rich meal.

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About This Question

This is Neco Model Questions Vol1 2022 Biology Question 3. It is one of the essay questions from the 2022 Neco Model Questions Vol1 Biology examination.

The question covers Nutrition .

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