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AQA January 2023 biology (bl01) exam+answers
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this is a AQA biology exam that comes with the answers, this A LEVEL was taken in January2023.
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Please write clearly in block capitals.Centre number Candidate number
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INTERNATIONAL AS
BIOLOGY (9610)
Unit 1 The Diversity of Living Organisms
Tuesday 3 January 2023 07:00 GMT Time allowed: 1 hour 30 minutes
Materials For Examiner’s Use
For this paper you must have:
• a ruler with millimetre measurements Question Mark
• a scientific calculator, which you are expected to use where appropriate. 1
2
Instructions
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions. 5
• You must answer the questions in the spaces provided. Do not write
outside the box around each page or on blank pages. 6
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
TOTAL
• All working must be shown.
• Do all rough work in this book. Cross through any work you do not want
to be marked.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 75.
*JAn23BL0101*
IB/H/Jan23/E15 BL01
, 2
Do not write
outside the
There are no questions printed on this page box
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
*02*
IB/H/Jan23/BL01
, 3
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Scientists study cells using microscopes, and by cell fractionation and
ultracentrifugation.
0 1 . 1 An optical microscope has a resolution of 0.2 μm and a transmission electron
microscope (TEM) has a resolution of 0.2 nm
Give the reason for the difference in resolution between the optical microscope and
the TEM.
[1 mark]
0 1 . 2 Give two limitations of using a TEM to investigate cell structure.
[2 marks]
1
2
Question 1 continues on the next page
Turn over ►
*03*
IB/H/Jan23/BL01
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