Oxford Cambridge and RSA
Friday 10 May 2024 – Morning
GCSE (9–1) Biology A (Gateway Science)
J247/03 (Higher Tier)
Time allowed: 1 hour 45 minutes
H
You must have:
* 9 9 8 5 3 4 0 2 8 8 *
• a ruler (cm/mm)
You can use:
• a scientific or graphical calculator
• an HB pencil
* J 2 4 7 0 3 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined page at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2024 [601/8589/2] OCR is an exempt Charity
DC (ST/JG) 320440/10 Turn over
, 2
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Cellulose is a complex carbohydrate.
Which monomers is cellulose made from?
A Amino acids
B Fatty acids
C Glycerol
D Simple sugars
Your answer [1]
2 The diagram shows the structure of the human brain.
A
B
D
C
Which part of the brain is highly folded into two hemispheres and controls language and
memory?
Your answer [1]
© OCR 2024
, 3
3 Sensory neurones conduct impulses towards the central nervous system.
Which row is correct about what is included in the structure of a sensory neurone?
Axon Dendron
A ✓ ✓
B ✓ ✗
C ✗ ✓
D ✗ ✗
Your answer [1]
4 Which statement describes how the body responds to cold temperatures?
A Shivering and vasoconstriction
B Shivering and vasodilation
C Sweating and vasoconstriction
D Sweating and vasodilation
Your answer [1]
5 Which substance in urine does the biuret test identify?
A Glucose
B Ions
C Protein
D Red blood cells
Your answer [1]
© OCR 2024 Turn over
, 4
6 A section of DNA is analysed to find the percentage of each of the four bases present.
16% of the DNA is guanine.
What is the percentage of the other bases in this section of DNA?
A 16% Adenine, 16% Cytosine, 52% Thymine
B 16% Adenine, 34% Cytosine, 34% Thymine
C 34% Adenine, 16% Cytosine, 34% Thymine
D 34% Adenine, 34% Cytosine, 16% Thymine
Your answer [1]
7 Which statement about DNA is correct?
A DNA codes for the production of amino acids.
B DNA contains specific sequences of amino acids and bases.
C DNA is a polymer made of three different nucleotides.
D DNA nucleotides consist of a base, a sugar and a phosphate.
Your answer [1]
8 What is the correct sequence of events in one cell cycle?
A Growth of the cell, DNA replication, movement of the chromosomes
B Growth of the cell, movement of the chromosomes, DNA replication
C Movement of the chromosomes, DNA replication, growth of the cell
D Movement of the chromosomes, growth of the cell, DNA replication
Your answer [1]
© OCR 2024
Friday 10 May 2024 – Morning
GCSE (9–1) Biology A (Gateway Science)
J247/03 (Higher Tier)
Time allowed: 1 hour 45 minutes
H
You must have:
* 9 9 8 5 3 4 0 2 8 8 *
• a ruler (cm/mm)
You can use:
• a scientific or graphical calculator
• an HB pencil
* J 2 4 7 0 3 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined page at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 90.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 28 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2024 [601/8589/2] OCR is an exempt Charity
DC (ST/JG) 320440/10 Turn over
, 2
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 Cellulose is a complex carbohydrate.
Which monomers is cellulose made from?
A Amino acids
B Fatty acids
C Glycerol
D Simple sugars
Your answer [1]
2 The diagram shows the structure of the human brain.
A
B
D
C
Which part of the brain is highly folded into two hemispheres and controls language and
memory?
Your answer [1]
© OCR 2024
, 3
3 Sensory neurones conduct impulses towards the central nervous system.
Which row is correct about what is included in the structure of a sensory neurone?
Axon Dendron
A ✓ ✓
B ✓ ✗
C ✗ ✓
D ✗ ✗
Your answer [1]
4 Which statement describes how the body responds to cold temperatures?
A Shivering and vasoconstriction
B Shivering and vasodilation
C Sweating and vasoconstriction
D Sweating and vasodilation
Your answer [1]
5 Which substance in urine does the biuret test identify?
A Glucose
B Ions
C Protein
D Red blood cells
Your answer [1]
© OCR 2024 Turn over
, 4
6 A section of DNA is analysed to find the percentage of each of the four bases present.
16% of the DNA is guanine.
What is the percentage of the other bases in this section of DNA?
A 16% Adenine, 16% Cytosine, 52% Thymine
B 16% Adenine, 34% Cytosine, 34% Thymine
C 34% Adenine, 16% Cytosine, 34% Thymine
D 34% Adenine, 34% Cytosine, 16% Thymine
Your answer [1]
7 Which statement about DNA is correct?
A DNA codes for the production of amino acids.
B DNA contains specific sequences of amino acids and bases.
C DNA is a polymer made of three different nucleotides.
D DNA nucleotides consist of a base, a sugar and a phosphate.
Your answer [1]
8 What is the correct sequence of events in one cell cycle?
A Growth of the cell, DNA replication, movement of the chromosomes
B Growth of the cell, movement of the chromosomes, DNA replication
C Movement of the chromosomes, DNA replication, growth of the cell
D Movement of the chromosomes, growth of the cell, DNA replication
Your answer [1]
© OCR 2024
