Exam (elaborations)
EDEXCEL A LEVEL BIOLOGY 2022 QUESTION PAPER 2
- Module
- 2022 papers and markschemes
- Institution
- PEARSON (PEARSON)
EDEXCEL A LEVEL BIOLOGY 2022 QUESTION PAPER 2
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Edexcel A Level 2022 papers andmarkschemes
from tyrionpapers.com
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, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 3 GCE
Time 2 hours
Paper
reference 9BN0/02
Biology A (Salters Nuffield)
Advanced
PAPER 2: Energy, Exercise and Co‑ordination
You must have: Total Marks
Ruler, pencil and calculator
Instructions
• Use black ink or ball‑point pen.
• centrethe
Fill in boxes at the top of this page with your name,
number and candidate number.
• Answer all questions.
• Show all your working out in calculations and include units where appropriate.
• – there may
Answer the questions in the spaces provided
be more space than you need.
Information
• The total mark for this paper is 100.
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
• You may use a scientific calculator.
• structure
In questions marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related
or follow on from each other where appropriate.
Advice
• Read each question carefully before you start to answer it.
• Try to answer every question.
• your answers if you have time at the end.
Check
Turn over
*P67091A0128*
P67091A
©2022 Pearson Education Ltd.
Q:1/1/1/1/1/
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
answer, put a line through the box and then mark your new answer with a cross .
1 Blood from the lungs returns to the left side of the heart in the pulmonary vein. The
pulmonary vein does not have valves.
(a) (i) Describe how the atrioventricular (AV) valves work during one cardiac cycle.
(2)
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(ii) The structure of the pulmonary vein is different from the structure of the
pulmonary artery.
Explain how this difference is related to the function of the pulmonary vein.
(2)
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*P67091A0228*
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