AQA GCSE BIOLOGY PAPER 2H HIGHER TIER VERSION 1
Please write clearly in block capitals.
Centre Candidate
number number
Surname
Forename(s)
Candidate re
signatu
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Biology Paper
2H
Monday 1 June 2020 Afternoon Time allowed: 1 hour 15 minutes
Materials
For Examiner’s
For this paper you must have: Use
a ruler
Questio Mark
a scientific calculator. n
1
Instructions
2
Use black ink or black ball-point pen.
Pencil should only be used for drawing. 3
Fill in the boxes at the top of this page. 4
Answer all questions in the spaces provided. 5
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
answer(s). 7
Do all rough work in this book. Cross through any work you do not
TOTAL
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.
,*jun20 464 2h01*
IB/M/Jun20/E9 8464/B/2H
, 2
Do not write
outside the
0 1 This question is about DNA and box
genes.
0 1 .1 Which diagram represents a DNA molecule?
[1 mark]
Tick () one box.
0 1 .2 Describe the structure of a DNA molecule.
[1 mark]
0 1
.3 A gene is a small section of DNA on a chromosome.
Complete the sentences.
[2 marks]
A gene codes for a particular .
sequence of
This sequence makes a specific .
*02
IB/M/Jun20/8464/
* B/2H
, 3
Do not write
outside the
0 1 .4 What is meant by the term box
genome? [1
mark]
0 1 .5 The complete human genome is now known.
Which important scientific advance was made using
knowledge of the human genome?
[1 mark]
Tick () one box.
Discovering antibiotic resistant bacteria
Finding more foods to eat from tropical forests
Tracing how aboriginal people spread across
Australia
Working out when the last ice age ended
Question 1 continues on the next page
*03
IB/M/Jun20/8464/
* B/2H
Please write clearly in block capitals.
Centre Candidate
number number
Surname
Forename(s)
Candidate re
signatu
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Biology Paper
2H
Monday 1 June 2020 Afternoon Time allowed: 1 hour 15 minutes
Materials
For Examiner’s
For this paper you must have: Use
a ruler
Questio Mark
a scientific calculator. n
1
Instructions
2
Use black ink or black ball-point pen.
Pencil should only be used for drawing. 3
Fill in the boxes at the top of this page. 4
Answer all questions in the spaces provided. 5
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
answer(s). 7
Do all rough work in this book. Cross through any work you do not
TOTAL
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.
,*jun20 464 2h01*
IB/M/Jun20/E9 8464/B/2H
, 2
Do not write
outside the
0 1 This question is about DNA and box
genes.
0 1 .1 Which diagram represents a DNA molecule?
[1 mark]
Tick () one box.
0 1 .2 Describe the structure of a DNA molecule.
[1 mark]
0 1
.3 A gene is a small section of DNA on a chromosome.
Complete the sentences.
[2 marks]
A gene codes for a particular .
sequence of
This sequence makes a specific .
*02
IB/M/Jun20/8464/
* B/2H
, 3
Do not write
outside the
0 1 .4 What is meant by the term box
genome? [1
mark]
0 1 .5 The complete human genome is now known.
Which important scientific advance was made using
knowledge of the human genome?
[1 mark]
Tick () one box.
Discovering antibiotic resistant bacteria
Finding more foods to eat from tropical forests
Tracing how aboriginal people spread across
Australia
Working out when the last ice age ended
Question 1 continues on the next page
*03
IB/M/Jun20/8464/
* B/2H
