Neco 2023 Biology Question 3

Practice practical question 3 from the 2023 Neco Biology examination. This question covers Nutrition .

Neco 2023 Biology Practical
Topic: Nutrition
Question 3 NECO • 2023 • BIOLOGY • practical

A group of students carried out a nutrition analysis of three locally available foods. The data obtained are shown in the table below. | Food | Sample mass (g) | % Carbohydrate | % Protein | % Fat | |--------------------|-----------------|----------------|-----------|-------| | Boiled plantain | 150 | 30 | 2 | 0.2 | | Roasted groundnuts | 50 | 15 | 25 | 45 | | Fermented milk | 200 (ml) | 5 | 3 | 2 | (Assume the density of fermented milk is 1 g ml⁻¹. Energy values: carbohydrate = 4 kcal g⁻¹, protein = 4 kcal g⁻¹, fat = 9 kcal g⁻¹.) Answer the following questions:

Question Parts

( a )
Calculate the total caloric value of a meal consisting of the whole sample of each food listed in the table. Show all working.
( b )
Identify which food contributes the greatest amount of protein to the meal and state the amount of protein (in grams) supplied by that food.
( c )
The recommended daily energy intake for a 15‑year‑old adolescent is 2500 kcal. Calculate the percentage of this requirement supplied by the meal and comment on whether the meal is adequate as a single meal.
( d )
Suggest one modification to the meal that will increase its protein content by at least 10 g without raising the total caloric value by more than 200 kcal. Justify your suggestion.

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About This Question

This is Neco 2023 Biology Question 3. It is one of the practical questions from the 2023 Neco Biology examination.

The question covers Nutrition .

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