Gce Model Questions Vol1 2019 Biology Question 21

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

Gce Model Questions Vol1 2019 Biology Objective / Multiple Choice Medium Difficulty
Question 21 GCE_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • objective
Gce Model Questions Vol1 2019 Biology Question 21 diagram

The labelled diagram shows a recommended daily macronutrient distribution for a 2000 kcal diet: Carbohydrates 55 %, Proteins 15 %, Fats 30 %. If a person increases their total energy intake to 2500 kcal, calculate the required grams of each macronutrient (use 4 kcal g⁻¹ for carbohydrates and proteins, 9 kcal g⁻¹ for fats). The person actually consumes 180 g carbohydrates, 70 g proteins and 80 g fats. Which macronutrient is the most limiting relative to the requirement? Provide the required grams (rounded to the nearest gram) and name the limiting nutrient.

Answer Options

A. Carbohydrates ≈ 300 g, Proteins ≈ 94 g, Fats ≈ 83 g; the limiting nutrient is protein.
B. Carbohydrates ≈ 344 g, Proteins ≈ 80 g, Fats ≈ 83 g; the limiting nutrient is fat.
Correct Answer C. Carbohydrates ≈ 344 g, Proteins ≈ 94 g, Fats ≈ 83 g; the limiting nutrient is carbohydrate.
D. Carbohydrates ≈ 344 g, Proteins ≈ 94 g, Fats ≈ 70 g; the limiting nutrient is carbohydrate.
Correct Answer
C
Correct Option:
Carbohydrates ≈ 344 g, Proteins ≈ 94 g, Fats ≈ 83 g; the limiting nutrient is carbohydrate.

About This Question

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

Difficulty level: Medium .

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