AQA GCSE COMBINES SCIENCES 8464/B/2F TRILOGY
FOUNDATION TIER BIOLOGY PAPER 2F EXAM QUESTION PAPER
(AUTHENTIC MARKING SCHEME ATTACHED)
F
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
Biology Paper 2F
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
2
Instructions
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.
6
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 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
0 1 This question is about genetics. box
0 1 . 1 Crop plants are genetically modified (GM) for useful characteristics.
Which useful characteristic are crops genetically modified for?
[1 mark]
Tick () one box.
Fewer roots
Larger yields
Smaller fruits
0 1 . 2 What is one concern about GM crops?
[1 mark]
Tick () one box.
GM crops will add to global
warming. GM crops will cause air
pollution.
GM crops will harm wildlife.
GM crops will produce too much food.
Some inherited disorders are caused by a faulty piece of DNA.
0 1
. 3 What is the name of a piece of DNA that codes for a characteristic?
[1 mark]
IB/M/Jun22/8464/B/
2F
, 3
Do not write
outside the
0 1 . 4 DNA contains a code for making substances in the cell. box
What type of substance is made using the DNA code?
[1 mark]
Tick () one box.
Fat
Protei
n
Starch
Sugar
Cystic fibrosis (CF) is an inherited
disorder. The allele for having CF is
recessive (h).
The allele for not having CF is dominant (H).
0 1
. 5 What is a recessive allele?
[1 mark]
Tick () one box.
An allele that is always expressed.
An allele that is expressed if only one copy is
present. An allele that is only expressed if two
copies are present.
Question 1 continues on the next page
IB/M/Jun22/8464/B/
2F
, 4
Do not write
outside the
box
Turn over ►
IB/M/Jun22/8464/B/
2F
FOUNDATION TIER BIOLOGY PAPER 2F EXAM QUESTION PAPER
(AUTHENTIC MARKING SCHEME ATTACHED)
F
GCSE
COMBINED SCIENCE: TRILOGY
Foundation Tier
Biology Paper 2F
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
2
Instructions
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.
6
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 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
0 1 This question is about genetics. box
0 1 . 1 Crop plants are genetically modified (GM) for useful characteristics.
Which useful characteristic are crops genetically modified for?
[1 mark]
Tick () one box.
Fewer roots
Larger yields
Smaller fruits
0 1 . 2 What is one concern about GM crops?
[1 mark]
Tick () one box.
GM crops will add to global
warming. GM crops will cause air
pollution.
GM crops will harm wildlife.
GM crops will produce too much food.
Some inherited disorders are caused by a faulty piece of DNA.
0 1
. 3 What is the name of a piece of DNA that codes for a characteristic?
[1 mark]
IB/M/Jun22/8464/B/
2F
, 3
Do not write
outside the
0 1 . 4 DNA contains a code for making substances in the cell. box
What type of substance is made using the DNA code?
[1 mark]
Tick () one box.
Fat
Protei
n
Starch
Sugar
Cystic fibrosis (CF) is an inherited
disorder. The allele for having CF is
recessive (h).
The allele for not having CF is dominant (H).
0 1
. 5 What is a recessive allele?
[1 mark]
Tick () one box.
An allele that is always expressed.
An allele that is expressed if only one copy is
present. An allele that is only expressed if two
copies are present.
Question 1 continues on the next page
IB/M/Jun22/8464/B/
2F
, 4
Do not write
outside the
box
Turn over ►
IB/M/Jun22/8464/B/
2F
