Pearson Edexcel IGCSE · Human Biology

Nutrition and energy: Practice Questions

5 multiple-choice questions marked as you go, and 1 written questions with worked solutions. All on Nutrition and energy.

6 questions7 marksFree, no account

Question 1

1 mark

A student is testing a food sample. They add Benedict's solution and heat the mixture in a water bath. The solution changes from blue to brick-red. Which nutrient is present?

Question 2

1 mark

Calculate the Body Mass Index (BMI) of an individual who weighs \(80\text{ kg}\) and has a height of \(2.0\text{ m}\). Is this individual classified as obese?

Question 3

1 mark

The structure of a villus is highly adapted for absorption. Which feature specifically reduces the distance over which nutrients must diffuse into the blood?

Question 4

1 mark

Which of these minerals is specifically required for the formation of haemoglobin in red blood cells to prevent anaemia?

Question 5

1 mark

In which part of the alimentary canal is trypsin produced, and where does it carry out its primary action?

Question 6

2 marks

State the mineral ion that is required as a structural component of haemoglobin and identify the deficiency disease that results if this ion is lacking in the diet.

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