Waec Model Questions Vol1 2019 Biology Question 13

Practice objective / multiple choice question 13 from the 2019 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2019 Biology Objective / Multiple Choice Medium Difficulty
Question 13 WAEC_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective

A daily diet consists of 150 g of rice (80% carbohydrate, 7% protein, 1% fat), 100 g of chicken breast (31% protein, 3.6% fat) and 50 g of almonds (21% protein, 49% fat, 22% carbohydrate). Digestibility coefficients are 95% for carbohydrates, 90% for proteins and 98% for fats. Using Atwater factors (carbohydrate 4 kcal·g⁻¹, protein 4 kcal·g⁻¹, fat 9 kcal·g⁻¹), calculate the percentage of the total metabolizable energy that is supplied by protein. Give your answer as a whole number percentage.

Answer Options

Correct Answer A. 20
B. 15
C. 25
D. 30
Correct Answer
A
Correct Option:
20

About This Question

This is Waec Model Questions Vol1 2019 Biology Question 13. It is a objective / multiple choice question from the 2019 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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