plumiFood tests and calorimetry: Edexcel GCSE Biology questions
Every Edexcel GCSE Biology exam question on Food tests and calorimetry (specification points 1.13–1.14), 2018–2025, with its mark scheme and examiner’s report.
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All 55 questions on Food tests and calorimetry, as a list
- June 2025, Paper 1 Higher, Q1(b)(i) (2 marks): Describe how a sample of food can be tested to show that it contains fat. (2)
- June 2025, Paper 1 Higher, Q1(c) (1 mark): State what calorimetry is used to measure. (1)
- June 2025, Paper 2 Higher, Q1(a) (2 marks): As bananas ripen, they change colour and taste sweeter. Figure 1 shows two bunches of bananas. yellow bananas green bananas Figure 1 Unripe bananas contain more
- June 2025, Paper 2 Higher, Q1(b) (3 marks): As bananas ripen the starch is converted to glucose. Describe how bananas can be tested for the presence of glucose. (3)
- June 2024, Paper 1 Foundation, Q5(a)(i) (1 mark): Give one function of the lid. (1)
- June 2024, Paper 1 Foundation, Q5(a)(ii) (2 marks): Describe how the increase in the temperature of the water could be measured. (2)
- June 2024, Paper 1 Foundation, Q5(b)(i) (2 marks): Calculate the energy content of the food. Use the equation energy in joules (J) = mass of water × 4.2 × temperature change (2) energy content = J
- June 2024, Paper 1 Foundation, Q5(b)(ii) (2 marks): The student repeated the investigation using a different food. The results are shown in Figure 9. temperature change in °C mass of water in g energy content in
- June 2024, Paper 1 Foundation, Q5(c) (2 marks): Figure 10 shows some facts about two foods. food carbohydrate in g fat in g energy in kJ 100 g of apple 14.0 0.2 220 100 g of avocado 9.0 15.0 669 Figure 10 Exp
- June 2024, Paper 2 Higher, Q1(b) (3 marks): Tasting urine was one of the first ways doctors tested for diabetes. If the urine tasted sweet, the patient may have diabetes. Describe the chemical test we now
- June 2024, Paper 2 Higher, Q1(c) (2 marks): A scientist wanted to compare the glucose concentration in two urine samples. State two variables that need to be controlled for the comparison to be valid. (2)
- June 2024, Paper 2 Foundation, Q7(d) (6 marks): Describe how you would use laboratory tests to show if a food contains glucose (a reducing sugar) and protein. Include in your answer: • how you would prepare t
- June 2023, Paper 1 Higher, Q1(a)(i) (2 marks): Describe how the temperature rise of the water is measured. (2)
- June 2023, Paper 1 Higher, Q1(a)(ii) (1 mark): The energy content of the food is calculated using the equation: mass of water (g) × temperature rise (°C) × 4.2 energy content (J/g) = mass of food (g) The bom
- June 2023, Paper 1 Higher, Q1(a)(iii) (1 mark): A different biscuit with the same mass gave a temperature rise of 78.2 °C. Give one reason why this biscuit gave a greater temperature rise. (1)
- June 2023, Paper 1 Higher, Q1(b) (3 marks): Figure 2 shows the equipment used in a school laboratory to measure the energy content of a food sample. Figure 2 Explain why a bomb calorimeter gives a more ac
- June 2023, Paper 2 Foundation, Q5(b)(i) (4 marks): Describe how the equipment shown in Figure 10 can be used to see if these liquids contain different concentrations of glucose. Benedict’s Figure 10 (4)
- June 2022, Paper 1 Higher, Q6(a) (1 mark): The student then placed a drop of milk A into one test tube of water and a drop of milk B into a different test tube of water. The drop of milk A sank to the bo
- June 2022, Paper 2 Higher, Q10(b)(i) (1 mark): Which is the test and result for a food containing protein? (1) A Benedict’s reagent is used and the solution turns brick red B Benedict’s reagent is used and t
- November 2021, Paper 1 Foundation, Q1(c) (2 marks): Some cells contain starch. Describe the chemical test for starch. (2)
- November 2021, Paper 1 Foundation, Q1(d)(i) (1 mark): Give the letter of the food sample that contains fat. (1)
- November 2021, Paper 1 Foundation, Q1(d)(ii) (1 mark): Give the letter of the food sample that contains reducing sugars and protein. (1)
- November 2021, Paper 1 Foundation, Q4(a)(i) (2 marks): Use words from the box to complete the sentences. (2) air clamp food lid thermometer water. The stirrer distributes heat evenly in the . The calorimeter has a t
- November 2021, Paper 1 Foundation, Q4(a)(ii) (2 marks): This calorimeter was used to measure the energy content of a piece of cheese. Figure 7 shows some of the results. mass of water in starting temperature final te
- November 2021, Paper 1 Foundation, Q4(a)(iii) (2 marks): The same method was used to calculate the energy content of a different type of cheese. The results are shown in Figure 8. mass of water starting temperature fi
- November 2021, Paper 2 Higher, Q4(d) (3 marks): Describe how to test for glucose in the dialysis fluid. (3)
- November 2021, Paper 2 Foundation, Q3(a)(i) (2 marks): Use words from the box to complete the sentences. (2) ethanol Biuret fat iodine protein starch The blue liquid was solution. The purple colour showed that the f
- November 2021, Paper 2 Foundation, Q3(a)(ii) (1 mark): The blue solution may be harmful if swallowed. Which procedure is a health and safety precaution needed for this investigation? (1) A use a new test tube B wipe
- November 2021, Paper 2 Foundation, Q10(d) (3 marks): Describe how to test for glucose in the dialysis fluid. (3)
- November 2020, Paper 1 Higher, Q4(c) (2 marks): Peas contain small amounts of fat. Describe a test to identify fat. (2)
- November 2020, Paper 1 Foundation, Q1(a) (1 mark): Some foods contain starch. Which chemical is used to test for starch? (1) A amylase B ethanol C iodine solution D hydrochloric acid
- November 2020, Paper 1 Foundation, Q1(b)(i) (2 marks): Give two safety precautions needed when doing this test. (2) 1 2
- November 2020, Paper 1 Foundation, Q1(b)(ii) (1 mark): Give one reason for placing the test tube in boiling water. (1)
- November 2020, Paper 1 Foundation, Q1(c)(i) (1 mark): Give one variable the student should control. (1) Figure 3 shows the student’s results. colour with type of biscuit Benedict’s solution A green B brick red C or
- November 2020, Paper 1 Foundation, Q1(c)(ii) (2 marks): State two conclusions that can be made from the data in Figure 3. (2) 1 2
- November 2020, Paper 1 Foundation, Q10(c) (2 marks): Peas contain small amounts of fat. Describe a test to identify fat. (2)
- November 2020, Paper 2 Higher, Q4(b) (2 marks): Protein is an important nutrient. Describe the laboratory test for protein. (2)
- November 2020, Paper 2 Higher, Q10(a)(i) (4 marks): Describe the method that would be used to find out what is present in the solution in the beaker, after one hour. (4)
- November 2020, Paper 2 Foundation, Q10(b) (2 marks): Protein is an important nutrient in meat. Describe the laboratory test for protein. (2)
- June 2019, Paper 1 Higher, Q1(a)(i) (1 mark): Which solution contains starch but not protein? (1) A solution W B solution X C solution Y D solution Z
- June 2019, Paper 1 Higher, Q1(a)(ii) (2 marks): Describe how a solution of food can be tested for reducing sugars. (2)
- June 2019, Paper 1 Higher, Q1(b) (3 marks): Figure 2 shows a calorimeter. thermometer 100 cm3 water combustion chamber 10 g of food Figure 2 Describe how this calorimeter can be used to find the energy co
- June 2019, Paper 1 Foundation, Q7(c) (6 marks): The diagram shows equipment that can be used to measure the energy content of different foods. thermometer boiling tube water mounted needle food Figure 12 Devi
- June 2019, Paper 2 Higher, Q6(b) (2 marks): Describe how a student could test a sample of urine for the presence of protein. (2)
- June 2019, Paper 2 Foundation, Q7(c)(i) (1 mark): Name the food group in sample E. (1)
- June 2019, Paper 2 Foundation, Q7(c)(ii) (1 mark): Name the food groups in sample F. (1)
- June 2018, Paper 1 Higher, Q4(b)(i) (2 marks): Describe the test to identify starch. (2)
- June 2018, Paper 1 Higher, Q4(b)(ii) (2 marks): The amount of energy in the sugars extracted from crop plants can be measured using the calorimeter shown in Figure 9. thermometer ignition wires stirrer lid wa
- June 2018, Paper 1 Higher, Q4(b)(iii) (1 mark): State why it is important to stir the water in the calorimeter. (1)
- June 2018, Paper 1 Foundation, Q10(b)(i) (2 marks): Describe the test to identify starch. (2)
- June 2018, Paper 1 Foundation, Q10(b)(ii) (2 marks): The amount of energy in the sugars extracted from crop plants can be measured using the calorimeter shown in Figure 16. thermometer ignition wires stirrer lid w
- June 2018, Paper 1 Foundation, Q10(b)(iii) (1 mark): State why it is important to stir the water in the calorimeter. (1)
- June 2018, Paper 2 Foundation, Q6(c)(i) (1 mark): Glucose is produced in a leaf. Glucose is a (1) A vitamin B protein C lipid D carbohydrate
- June 2018, Paper 2 Foundation, Q6(c)(ii) (2 marks): Describe a test for glucose. (2)
- Specimen, Paper 1 Foundation, Q3(a) (2 marks): Use words from the box to complete the sentences. (2) blue-black iodine brick red Biuret lilac Benedict’s The reagent is added to a tube containing a solution o
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