Igcse Model Questions Vol1 2022 Biology Question 29

Practice objective / multiple choice question 29 from the 2022 Igcse Model Questions Vol1 Biology examination.

Igcse Model Questions Vol1 2022 Biology Objective / Multiple Choice Medium Difficulty
Question 29 IGCSE_MODEL_QUESTIONS_VOL1 • 2022 • BIOLOGY • objective

The labelled diagram of a meal shows three macronutrient portions: carbohydrates 50 g, proteins 30 g and fats 20 g. The energy yields are: carbohydrate = 4 kcal g\(^{-1}\), protein = 4 kcal g\(^{-1}\), fat = 9 kcal g\(^{-1}\). (a) Calculate the total caloric content of the meal. (b) Which macronutrient provides the highest percentage of the total calories? Give the percentage to one decimal place.

Answer Options

A. 500 kcal; Carbohydrates (45.0 %)
Correct Answer B. 500 kcal; Carbohydrates (40.0 %)
C. 500 kcal; Fat (36.0 %)
D. 480 kcal; Carbohydrates (40.0 %)
Correct Answer
B
Correct Option:
500 kcal; Carbohydrates (40.0 %)

About This Question

This is Igcse Model Questions Vol1 2022 Biology Question 29. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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