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GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Biology Paper 1H
Tuesday 16 May 2023 Morning Time allowed: 1 hour 15 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.
Answer all questions in the spaces provided. 5
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 to be
marked. TOTAL
In all calculations, show clearly how you work out your answer.
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.
*JUN23 464 1H01*
IB/M/Jun23/E5 8464/B/1H
, 2
Do not write
outside the
0 1 Communicable and non-communicable diseases are major causes of ill health. box
0 1 . 1 Which 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]
*02*
IB/M/Jun23/8464/B/1H
, 3
Do not write
outside the
0 1 . 4 Body mass index (BMI) is one measure of obesity. box
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*
IB/M/Jun23/8464/B/1H
, 4
Do not write
outside the
Scientists investigated the effect of smoking and of BMI on the birth mass of babies. box
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.
Figure 1
*04*
IB/M/Jun23/8464/B/1H
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