2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1H Biology Paper 1H Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/B/1H Biology Paper 1H Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Materials For this paper you must have: • a ruler • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes at the top of this page. • Answer all questions in the spaces provided. • If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s). • Do all rough work in this book. Cross through any work you do not want to be marked. • In all calculations, show clearly how you work out your answer. For Examiner’s Use Question Mark 1 2 3 4 5 6 7 TOTAL Information • The maximum mark for this paper is 70. • 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. *JUN238464B1H01* IB/M/Jun23/E5 8464/B/1H 2 0 1Communicable and non-communicable diseases are major causes of ill health. 0 1 . 1Which disease is a non-communicable disease? [1 mark] Tick ( ) one box. AIDS Cancer Gonorrhoea Malaria Obesity is a risk factor for many non-communicable diseases. 0 1 . 2 Give one non-communicable disease that obesity is a risk factor for. Do not refer to the diseases given in Question 01.1 in your answer. [1 mark] 0 1 . 3 National policies are used to help people who are obese to lose weight. One national policy is to reduce the amount of sugar added to food and drinks. Suggest one other national policy that could help people to lose weight. [1 mark] Do not write outside the box *02* IB/M/Jun23/8464/B/1H 3 0 1 . 4 Body mass index (BMI) is one measure of obesity. BMI is calculated using the equation: body( mass in)kg BMI = height in m 2 Table 1 shows how BMI is used to describe an adult’s BMI category. Table 1 BMI BMI category <18.5 Underweight 18.5 to 24.9 Healthy weight 25.0 to 29.9 Overweight >29.9 Obese A person is 1.64 m tall and has a mass of 69 kg. Determine the BMI category for this person. Use the BMI equation and Table 1. [3 marks] The person’s BMI category is Question 1 continues on the next page Turn over ► *03* Do not write outside the box IB/M/Jun23/8464/B/1H 4 Scientists investigated the effect of smoking and of BMI on the birth mass of babies. Women’s BMI categories were determined before the women became pregnant. 0 1 . 5 Suggest why BMI categories were determined before the women became pregnant. [1 mark] Figure 1 shows the results. Figu