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2026 Update OCR AS Level Biology B (Advancing Biology) H022-02 Biology in Depth Verified Question Paper with Marking Scheme

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The OCR AS Level Biology B (Advancing Biology) H022-02 Biology in Depth Verified Question Paper with Marking Scheme is part of the OCR Biology B specification. It assesses students on advanced biological concepts including cellular processes, genetics, physiology, ecosystems, and biological data analysis, along with practical skills and application of scientific knowledge. This paper supports AS Level revision and exam preparation through structured questions and official marking guidance.

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2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

2025 OCR AS Level Biology B (Advancing Biology)
H022/02 Biology in depth
Verified Question paper with Marking Scheme Attached

Oxford Cambridge and RSA

Thursday 22 May 2025 – Morning
AS Level Biology B (Advancing Biology)
H022/02 Biology in depth
Time allowed: 1 hour 30 minutes

You can use:
• a scientific or graphical calculator
• a ruler (cm/mm)

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 a correct method, even if your answer is wrong.

INFORMATION
• The total mark for this paper is 70.
• 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.

© OCR 2025 [601/4721/0] OCR is an exempt Charity
DC (LK/CB) 329634/3 Turn over
2025 OCR
2025AS
OCR
2025
Level
ASOCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

,2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

2
1
(a) The mammalian circulatory system is described as a closed double circulatory system.

(i) Explain what is meant by a closed circulatory system.

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

. .................................................................................................................................................................... [1]

(ii) The diagram below shows the circulatory system of a frog.

Capillaries in the lungs and skin

right left
side side

Capillaries in the muscles

Blood leaving the heart of a frog is less oxygenated than blood leaving the heart of a mammal.

Explain why blood leaving the heart of a frog is less oxygenated than blood leaving the heart of a mammal.

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

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

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

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

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

© OCR 2025

2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

,2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

3
(b) The image below shows a section through the wall of an artery.

X Y

×500

Calculate the actual width of the artery wall between points X and Y. Give your

answer to the nearest whole number.

Actual width =..............................................................μm [2]

© OCR 2025 Turn over

2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

, 2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

4
(c) * Describe how the tissues in the artery wall are adapted to their function.

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

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

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

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

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

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

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

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

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

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

. .................................................................................................................................................................... [6]

Extra answer space if required.

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

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

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

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

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

© OCR 2025

2025 OCR
2025AS
OCR
2025
Level
AS
OCR
Biology
Level
ASBiology
B
Level
(Advancing
Biology
B (Advancing
Biology)
B (Advancing
Biology)
H02202
Biology)
H02202
Biology
H02202
Biology
in depth
Biology
inVerified
depthinVerified
depth
Question
Verified
Question
paper Question
with
paper
Marking
with
paper
Marking
Scheme
with Marking
Scheme
Attached.pdf
Scheme
Attached.pdf
Attached.pdf

Document information

Study Level: A/AS Level
Subject: Business studies
Uploaded on: April 28, 2026
Number of pages: 47
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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2026 Update OCR AS Level Biology B (Advancing Biology) H022-02 Biology in Depth Verified Question Paper with Marking Scheme

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