June 2024 QP

PMT Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. H GCSE BIOLOGY Higher Tier Paper 1 H Friday 10 May 2024 Morning Time allowed: 1 hour 45 minutes Materials 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 • Pencil should only be used for drawing. 4 • Fill in the boxes at the top of this page. 5 • Answer all questions in the spaces provided. • If you need extra space for your answer(s), use the lined pages at the end of 6 this book. Write the question number against your answer(s). 7 • Do all rough work in this book. Cross through any work you do not want 8 to be marked. • In all calculations, show clearly how you work out your answer. TOTAL Information • The maximum mark for this paper is 100. • The marks for questions are shown in brackets. • You are expected to use a calculator where appropriate. • You are reminded of the need for good English and clear presentation in your answers. * JUN2484611h01 * 8461/1H IB/M/Jun24/E16

PMT Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. H GCSE BIOLOGY Higher Tier Paper 1 H Friday 10 May 2024 Morning Time allowed: 1 hour 45 minutes Materials 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 • Pencil should only be used for drawing. 4 • Fill in the boxes at the top of this page. 5 • Answer all questions in the spaces provided. • If you need extra space for your answer(s), use the lined pages at the end of 6 this book. Write the question number against your answer(s). 7 • Do all rough work in this book. Cross through any work you do not want 8 to be marked. • In all calculations, show clearly how you work out your answer. TOTAL Information • The maximum mark for this paper is 100. • The marks for questions are shown in brackets. • You are expected to use a calculator where appropriate. • You are reminded of the need for good English and clear presentation in your answers. * JUN2484611h01 * 8461/1H IB/M/Jun24/E16

PMT 2 Do not write outside the Answer all questions in the spaces provided. box 0 1 A person has coronary heart disease. 0 1 . 1 Which blood vessels are affected by coronary heart disease? [ 1 mark] Tick (  ) one box. Arteries Capillaries Veins A person’s heart stops beating. The person stops breathing. A first-aider pushes down on the person’s chest. Pushing down on the person’s chest puts pressure on the heart. 0 1 . 2 Explain why putting pressure on the heart helps the person. [ 2 mark s ] * 02 * IB/M/Jun24/8461/1H

PMT 2 Do not write outside the Answer all questions in the spaces provided. box 0 1 A person has coronary heart disease. 0 1 . 1 Which blood vessels are affected by coronary heart disease? [ 1 mark] Tick (  ) one box. Arteries Capillaries Veins A person’s heart stops beating. The person stops breathing. A first-aider pushes down on the person’s chest. Pushing down on the person’s chest puts pressure on the heart. 0 1 . 2 Explain why putting pressure on the heart helps the person. [ 2 mark s ] * 02 * IB/M/Jun24/8461/1H

PMT 3 Do not write outside the 0 1 . 3 The first-aider also forces air into the person’s lungs by blowing into their mouth. box Describe how forcing air into the person’s lungs helps the person. [ 1 mark] 0 1 . 4 The person’s heart starts to beat again and the person starts breathing. The person has a high level of cholesterol in their blood. Name one type of drug that would decrease the level of cholesterol in the person’s blood. [ 1 mark] 0 1 . 5 A doctor decides that the person needs to have a stent fitted. Explain how a stent works to treat coronary heart disease. [ 2 mark s ] Question 1 continues on the next page Turn over ► * 03 * IB/M/Jun24/8461/1H

PMT 3 Do not write outside the 0 1 . 3 The first-aider also forces air into the person’s lungs by blowing into their mouth. box Describe how forcing air into the person’s lungs helps the person. [ 1 mark] 0 1 . 4 The person’s heart starts to beat again and the person starts breathing. The person has a high level of cholesterol in their blood. Name one type of drug that would decrease the level of cholesterol in the person’s blood. [ 1 mark] 0 1 . 5 A doctor decides that the person needs to have a stent fitted. Explain how a stent works to treat coronary heart disease. [ 2 mark s ] Question 1 continues on the next page Turn over ► * 03 * IB/M/Jun24/8461/1H