AQA GCSE 2020
BIOLOGY
PAPER 2
QUESTION
PAPER (2020)
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
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 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.
*jun20 464 2h01*
IB/M/Jun20/E9 8464/B/2H
, 2
Do not write
outside the
0 1 This question is about DNA and genes. box
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
BIOLOGY
PAPER 2
QUESTION
PAPER (2020)
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
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 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.
*jun20 464 2h01*
IB/M/Jun20/E9 8464/B/2H
, 2
Do not write
outside the
0 1 This question is about DNA and genes. box
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
