OCR GCSE Biology 2025 J257/02 Question Paper Mark Scheme Biology Foundation Tier Past Papers

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2025 OCR GCSE Biology B (Twenty First Century Science)
J257/02 Depth in Biology (Foundation Tier)
Complete Question paper with Marking Scheme Combined




Monday 9 June 2025 – Morning
GCSE (9–1) Biology B (Twenty First Century Science)
J257/02 Depth in Biology (Foundation Tier)
Time allowed: 1 hour 45 minutes

You must have:
• a ruler (cm/mm)
You can use:
• a scientific or graphical calculator
• an HB pen
F
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 24 pages.

ADVICE
• Read each question carefully before you start your answer.




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2
1
(a) Which system transports oxygen and dissolved food molecules around the human body in
the blood?

Tick (✓) one box.

Circulatory system

Digestive system

Excretory system

Gaseous exchange system
[1]

(b) Which organ pumps blood around the human body?

Tick (✓) one box.

Brain

Eye

Heart

Kidney
[1]

(c) Which type of blood vessel has valves to stop blood flowing backwards?

Tick (✓) one box.

Artery

Capillary

Neuron

Vein
[1]




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3
(d) Draw lines to connect each part of the blood with its correct function.

Part Function


Plasma Destroy pathogens




Platelets Help seal wounds




Red blood cells Transport dissolved food molecules




White blood cells Transport oxygen

[3]




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4 Papers with Marking Schemes, Foundation & Higher
4 Tier Bu

4
2
(a) Put these three structures in order of size, from the largest to the smallest.

Chromosome Gene Nucleotide


Largest ...............................................

...............................................

Smallest ...............................................
[2]

(b) Which statement describes the genome?

Tick (✓) one box.

A section of DNA that stores the instructions to make a protein.

All the physical features of an organism.

The combination of alleles that an organism has.

The entire genetic material of an organism.
[1]

(c) Draw lines to connect each description with the correct number.

Description Number


1

The number of bases in each nucleotide.

2



The number of different nucleotides found in DNA. 3




4

The number of nucleotide strands in a DNA molecule.

5


[3]




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