100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached 4.2 TrustPilot
logo-home
Exam (elaborations)

OCR AS LEVEL BIOLOGY B JUNE 2025 PAPER 1 MODEL ANSWERS WORKED SOLUTIONS

Rating
-
Sold
-
Pages
28
Grade
A+
Uploaded on
07-01-2026
Written in
2025/2026

OCR AS LEVEL BIOLOGY B JUNE 2025 PAPER 1 MODEL ANSWERS WORKED SOLUTIONS

Institution
Course










Whoops! We can’t load your doc right now. Try again or contact support.

Written for

Study Level
Examinator
Subject
Unit

Document information

Uploaded on
January 7, 2026
Number of pages
28
Written in
2025/2026
Type
Exam (elaborations)
Contains
Only questions

Subjects

Content preview

Oxford Cambridge and RSA

Monday 12 May 2025 – Morning
AS Level Biology B (Advancing Biology)
H022/01 Foundations of biology
Time allowed: 1 hour 30 minutes

You can use:
* 1 3 2 7 1 0 4 5 8 4 *




• a scientific or graphical calculator
• a ruler (cm/mm)




* H 0 2 2 0 1 *




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 70.
• The marks for each question are shown in brackets [ ].
• This document has 28 pages.

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




© OCR 2025 [601/4721/0] OCR is an exempt Charity
DC (CE/SG) 329633/4 Turn over


for more: tyrionpapers.com

, 2
Section A

You should spend a maximum of 25 minutes on this section.

Write your answer for each question in the box provided.

1 Which of the statements about peak expiratory flow rate (PEFR) is correct?

A It increases as the age of a person increases.

B It is calculated by multiplying tidal volume by breathing rate.

C It is the maximum rate at which air can be forced out through the mouth.

D It is the volume of air breathed out in the first second of forced exhalation.


Your answer
[1]


2 Which option about why multicellular plants need transport systems is not correct?

A Assimilates must be transported from source to sink

B Diffusion distances are too long

C Multicellular plants have large surface area to volume ratios

D Water and mineral ions must be transported from roots to leaves


Your answer
[1]




© OCR 2025



for more: tyrionpapers.com

, 3
3 The transmission electron micrograph shows the ultrastructure of a mammalian cell.




P




Which option describes the function of the structure labelled P?

A It produces ATP.

B It stores glycogen.

C It synthesises proteins.

D It synthesises ribosomes.


Your answer
[1]




© OCR 2025 Turn over

for more: tyrionpapers.com

Get to know the seller

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
MODELANSWERS2026 TA
Follow You need to be logged in order to follow users or courses
Sold
9
Member since
2 weeks
Number of followers
0
Documents
203
Last sold
3 hours ago

5.0

1 reviews

5
1
4
0
3
0
2
0
1
0

Recently viewed by you

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Frequently asked questions