June 2019 MA

Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature F GCSE BIOLOGY Foundation Tier Paper 1F Tuesday 1 4 May 201 9 Afternoon Time allowed: 1 hour 45 minutes Mat erials For Examiner’s Use For this paper you must have: • a ruler Question Mark • a scientific calculator. 1 Instructions 2 • Use black ink or black ball - point pen. 3 • Fill in the boxes at the top of this page. 4 • Answer all questions in the spaces provided. 5 • Do all rough work in this book. Cross through any work you do not want to be marked. 6 • In all calculations, show clearly how you work out your answer. 7 8 Information • The maximum mark for this paper is 100. 9 • The marks for questions are shown in brackets. TOTAL • You are expected to use a calculator where appropriate. • You are reminded of the need for good English and clear presentation in your answe rs. * jun1984611f01 * 8461/1F IB/M/Jun19/E16

Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature F GCSE BIOLOGY Foundation Tier Paper 1F Tuesday 1 4 May 201 9 Afternoon Time allowed: 1 hour 45 minutes Mat erials For Examiner’s Use For this paper you must have: • a ruler Question Mark • a scientific calculator. 1 Instructions 2 • Use black ink or black ball - point pen. 3 • Fill in the boxes at the top of this page. 4 • Answer all questions in the spaces provided. • Do all rough work in this book. Cross through any work you do not want 5 to be marked. 6 • In all calculations, show clearly how you work out your answer. 7 Information 8 • The maximum mark for this paper is 100. 9 • The marks for questions are shown in brackets. TOTAL • You are expected to use a calculator where appropriate. • You are reminded of the need for good English and clear presentation in your answe rs. * jun1984611f01 * 8461/1F IB/M/Jun19/E16

2 Do not write outside the Answer all questions in the spaces provided. box 0 1 Many foods contain carbohydrates. Figure 1 shows information about four different foods. Figure 1 0 1 . 1 Which food contains the highest percentage of carbohydrate? [1 mark] Tick ( 9 ) one box. I Beans 50K Chicken Orange ✓ Rice 75% * 02 * IB/M/Jun19/8461/1F

2 Do not write Answer all questions in the spaces provided. outside the box 0 1 Many foods contain carbohydrates. Figure 1 shows information about four different foods. Figure 1 0 1 . 1 Which food contains the highest percentage of carbohydrate? [1 mark] Tick ( 9 ) one box. I Beans 50K Chicken Orange ✓ Rice 75% * 02 * IB/M/Jun19/8461/1F

3 Do not write outside the 0 1 . 2 Estimate the percentage of water found in beans. box [1 mark] 4/4 1 4 2 3 1 3 z Percentage = 25 % % 3/4 0 1 . 3 Look at Figure 1 . Why would eating only beans provide a more balanced diet than eating only chicken? [1 mark] ontaifdgP- 0 1 . 4 Sugars are produced when enzymes break down starch. What is the name of the enzyme which breaks down starch to produce sugars? [1 mark] Tick ( 9 ) one box. ✓ Amylase Bile breaks down fats 2- lipids ( fats ) Lipase breaks down ← Protease breaks down proteins G- Aaaaa 0 1 . 5 Which chemical could be used to test for glucose? [1 mark] Tick ( 9 ) one box. ✓ Benedict’s reagent proteins Biuret reagent tests ← for Iodine solution starch tests for ← fats Sulfuric acid tests C- for Turn over ► * 03 * IB/M/Jun19/8461/1F

3 Do not write outside the 0 1 . 2 Estimate the percentage of water found in beans. box [1 mark] 4/4 4 1 3 1 2 z Percentage = 3 25 % % 3/4 0 1 . 3 Look at Figure 1 . Why would eating only beans provide a more balanced diet than eating only chicken? [1 mark] ontaifdgP- 0 1 . 4 Sugars are produced when enzymes break down starch. What is the name of the enzyme which breaks down starch to produce sugars? [1 mark] Tick ( 9 ) one box. ✓ Amylase Bile 2- breaks down fats lipids ( fats ) Lipase breaks down ← Protease breaks down proteins G- Aaaaa 0 1 . 5 Which chemical could be used to test for glucose? [1 mark] Tick ( 9 ) one box. ✓ Benedict’s reagent Biuret reagent ← tests for proteins Iodine solution ← tests for starch Sulfuric acid tests fats C- for Turn over ► * 03 * IB/M/Jun19/8461/1F