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Official summer 2024 OCR GCE Biology B H422/01: Fundamentals of biology A Level Merged Question Paper + Mark Scheme + Insert $7.99   Add to cart

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Official summer 2024 OCR GCE Biology B H422/01: Fundamentals of biology A Level Merged Question Paper + Mark Scheme + Insert

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Official summer 2024 OCR GCE Biology B H422/01: Fundamentals of biology A Level Merged Question Paper + Mark Scheme + Insert

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  • August 29, 2024
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  • Official summer 2024 OCR GCE A/AS LEVEL
  • Official summer 2024 OCR GCE A/AS LEVEL
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Official summer 2024

OCR
GCE
Biology B
H422/01: Fundamentals of biology
A Level


Merged Question Paper + Mark Scheme + Insert




Ace your Mocks!!!

, Oxford Cambridge and RSA

Wednesday 5 June 2024 – Afternoon
A Level Biology B (Advancing Biology)
H422/01 Fundamentals of biology
Time allowed: 2 hours 15 minutes

You must have:
* 1 3 4 7 2 4 7 3 3 7 *




• the Insert (inside this document)
• a ruler (cm/mm)
You can use:
• a scientific or graphical calculator




* H 4 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 110.
• 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 40 pages.

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




© OCR 2024 [601/4720/9] OCR is an exempt Charity
DC (CJ/SW) 331042/5 Turn over

, 2
Section A

You should spend a maximum of 40 minutes on this section.

Write your answer for each question in the box provided.


1 The diagram shows a molecule of α-glucose.

X

O
H H
H
OH H
Y OH

Z OH

The table below shows chemical groups X, Y and Z labelled on the diagram.

Chemical group
X Y Z
A OH CH2OH H
B CH2OH OH H
C H OH CH2OH
D H CH2OH OH


Which of the rows, A to D, is correct?


Your answer
[1]




© OCR 2024

, 3
This is an electron micrograph of the ultrastructure of a leucocyte.




L




× 8000

Use the electron micrograph to answer questions 2 and 3.


2 Which of the options identifies the leucocyte in the electron micrograph?

A Lymphocyte

B Macrophage

C Monocyte

D Neutrophil


Your answer
[1]


3 What is the role of the organelle labelled L?

A Aerobic respiration

B Lipid synthesis

C Protein synthesis

D Transport


Your answer
[1]
© OCR 2024 Turn over

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