AQA GCSE COMBINED SCIENCES 8464/B/2H TRILIGY HIRHER
TIER BIOLOGY PAPER 1 EXAM QUESTION PAPER
(AUTHENTIC MARKING SCHEME ATTACHED)
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Biology Paper
1H
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.
5
Answer all questions in the spaces provided.
If you need extra space for your answer(s), use the lined pages at 6
the end of this book. Write the question number against your TOTAL
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.
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.
, 2
Do not write
outside the
box
0 1 Bacteria can cause a variety of diseases in humans.
0 1 . 1 What are two similarities between a bacterial cell and an animal cell?
[2 marks]
Tick () two boxes.
Both have a cell membrane.
Both have a cell wall.
Both have a nucleus.
Both have cytoplasm.
Both have plasmids.
0 1 . 2 Salmonella food poisoning is caused by bacteria in
food. Give one symptom of salmonella food
poisoning.
Do not refer to vomiting or diarrhoea in your answer.
[1 mark]
Question 1 continues on the next page
IB/M/Jun22/8464/B/
1H
,3
Do not write
outside the
box
Turn over ►
IB/M/Jun22/8464/B/
1H
, 4
Do not write
outside the
0 1 . 3 What is the name of the first antibiotic developed? box
[1 mark]
A child with a severe bacterial infection was given a course of
antibiotics.
Figure 1 shows how the concentration of live bacteria in the child’s body
changed when taking the course of antibiotics.
Figure 1
IB/M/Jun22/8464/B/
1H
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