Neco Model Questions Vol1 2019 Biology Question 21

Practice objective / multiple choice question 21 from the 2019 Neco Model Questions Vol1 Biology examination.

Neco Model Questions Vol1 2019 Biology Objective / Multiple Choice Medium Difficulty
Question 21 NECO_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

A student's daily diet provides a total of \(2500\ \text{kJ}\) of energy. The macronutrients are present in the weight ratio carbohydrate\ :\ protein\ :\ fat = \(3\!:\!2\!:\!1\). The energy yields are \(17\ \text{kJ\ g}^{-1}\) for carbohydrate and protein, and \(37\ \text{kJ\ g}^{-1}\) for fat. Calculate the percentage of the total energy that is supplied by each macronutrient, giving your answers to one decimal place.

Answer Options

A. Carbohydrate ≈ 38.5 %, Protein ≈ 31.0 %, Fat ≈ 30.5 %
B. Carbohydrate ≈ 45.0 %, Protein ≈ 25.0 %, Fat ≈ 30.0 %
Correct Answer C. Carbohydrate ≈ 41.8 %, Protein ≈ 27.9 %, Fat ≈ 30.3 %
D. Carbohydrate ≈ 42.0 %, Protein ≈ 28.0 %, Fat ≈ 30.0 %
Correct Answer
C
Correct Option:
Carbohydrate ≈ 41.8 %, Protein ≈ 27.9 %, Fat ≈ 30.3 %

About This Question

This is Neco Model Questions Vol1 2019 Biology Question 21. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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