Igcse Model Questions Vol1 2018 Biology Question 3

Practice essay / theory question 3 from the 2018 Igcse Model Questions Vol1 Biology examination. This question covers Nutrition, Food labelling, Energy calculation .

Igcse Model Questions Vol1 2018 Biology Essay / Theory
Topics: Nutrition Food labelling Energy calculation
Question 3 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • BIOLOGY • essay

The diagram shows a food label for a ready‑to‑eat cereal bar. All values are given per 100 g of the product.

Question Parts

( a )
Using the conversion factors 1 g protein = 17 kJ, 1 g carbohydrate = 17 kJ and 1 g fat = 37 kJ, calculate the total energy that should be obtained from the protein, carbohydrate and fat shown on the label. Compare your result with the energy value stated on the label and suggest two possible reasons for any discrepancy.
( b )
Identify the nutrient that is present in the greatest amount (by mass) in the cereal bar and explain why this nutrient is important for a teenage athlete.
( c )
A person eats 250 g of the cereal bar. Calculate the amount of protein (in grams) and calcium (in milligrams) that the person will ingest.
( d )
Suggest two modifications to the formulation of the cereal bar that would make it more suitable for a person with hypertension, and briefly justify each suggestion.

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About This Question

This is Igcse Model Questions Vol1 2018 Biology Question 3. It is one of the essay questions from the 2018 Igcse Model Questions Vol1 Biology examination.

The question covers Nutrition, Food labelling, Energy calculation .

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