Examinations Foundation
GCSEBiology A
GatewayJ247/02: Paper 2
(Foundation Tier) General
Certificate of Secondary
Education with marking scheme
, Oxford Cambridge and RSA
Friday 9 June 2023 – Afternoon
GCSE (9–1) Biology A (Gateway Science)
J247/02 Paper 2 (Foundation Tier)
Time allowed: 1 hour 45 minutes
F
You must have:
* 9 1 2 9 5 4 6 5 0 5 *
• a ruler (cm/mm)
You can use:
• a scientific or graphical calculator
• an HB pencil
* J 2 4 7 0 2 *
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 pages 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 32 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2023 [601/8589/2] OCR is an exempt Charity
DC (ST/FC) 301213/4 Turn over
, 2
Section A
You should spend a maximum of 30 minutes on this section.
Write your answers to each question in the box provided.
1 Which process in the carbon cycle decreases the amount of carbon dioxide in the air?
A Combustion
B Decomposition
C Photosynthesis
D Respiration
Your answer [1]
2 Which of these is a biotic factor that can affect the growth of plants?
A Carbon dioxide levels
B Light availability
C Mineral content of the soil
D Number of primary consumers
Your answer [1]
© OCR 2023
, 3
3 Using the data in the table, how many people living in the UK have a Y chromosome in their
cells?
Number of individuals of each sex in the UK,
rounded to 2 significant figures
males females
33 000 000 34 000 000
A 33 000 000
B 34 000 000
C 66 000 000
D 67 000 000
Your answer [1]
4 A genetic disorder is caused by a dominant allele (D). The recessive allele is (d).
Which row shows all the possible genotypes for heterozygous and homozygous individuals?
Heterozygous Homozygous
A Dd dd
B DD or dd Dd
C Dd DD or dd
D Dd DD
Your answer [1]
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