Waec Model Questions Vol1 2020 Biology Question 3

Practice essay / theory question 3 from the 2020 Waec Model Questions Vol1 Biology examination. This question covers Macronutrients, Energy balance, Dietary fibre .

Waec Model Questions Vol1 2020 Biology Essay / Theory

Topics: Macronutrients Energy balance Dietary fibre

Question 3 WAEC_MODEL_QUESTIONS_VOL1 • 2020 • BIOLOGY • essay

A 12‑year‑old pupil prepares a school lunch that contains the following amounts of macronutrients: - 55 g of carbohydrates - 22 g of protein - 18 g of fat The Recommended Dietary Allowance (RDA) for energy for a child of this age is 2,000 kcal per day. Answer the following:

Question Parts

( a )

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

( b )

Express the energy supplied by the lunch as a percentage of the RDA and comment on whether the meal meets the daily energy requirement of the pupil.

( c )

Explain why dietary fibre is important for the digestive health of school‑age children and list two health problems that may arise from a low‑fibre diet.

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About This Question

This is Waec Model Questions Vol1 2020 Biology Question 3. It is one of the essay questions from the 2020 Waec Model Questions Vol1 Biology examination.

The question covers Macronutrients, Energy balance, Dietary fibre .

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