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A-level
BIOLOGY
Paper 2
AQA
Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
• a ruler with millimetre measurements
• a scientific calculator. Question Mark
Instructions 1
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 2
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the 3
box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this
4
book. Write the question number against your answer(s).
• Show all your working.
• Do all rough work in this book. Cross through any work you do not want to be 5
marked.
6
Information
• The marks for the questions are shown in brackets.
7
• The maximum mark for this paper is 91.
8
9
10
TOTAL
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
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Candidate signature
I declare this is my own work.
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
2
Do not write
outside the
box
*JUN217402201* IB/H/Jun21/E14 7402/2
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3
Do not write
outside the
box
Answer all questions in the spaces provided.
0 1 .1 Describe the process of glycolysis.
[4 marks]
6
Turn over ►
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0 1 .2
Malonate inhibits a reaction in the Krebs cycle.
Explain why malonate would decrease the uptake of oxygen in a respiring cell.
[2 marks]
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A-level
BIOLOGY
Paper 2
AQA
Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
• a ruler with millimetre measurements
• a scientific calculator. Question Mark
Instructions 1
• Use black ink or black ball-point pen.
• Fill in the boxes at the top of this page. 2
• Answer all questions.
• You must answer the questions in the spaces provided. Do not write outside the 3
box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this
4
book. Write the question number against your answer(s).
• Show all your working.
• Do all rough work in this book. Cross through any work you do not want to be 5
marked.
6
Information
• The marks for the questions are shown in brackets.
7
• The maximum mark for this paper is 91.
8
9
10
TOTAL
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Downloaded by: academiamaster |
Distribution of this document is illegal
Candidate signature
I declare this is my own work.
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
2
Do not write
outside the
box
*JUN217402201* IB/H/Jun21/E14 7402/2
Downloaded by: academiamaster |
IB/H/Jun21/7402/2
Distribution of this document is illegal
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
3
Do not write
outside the
box
Answer all questions in the spaces provided.
0 1 .1 Describe the process of glycolysis.
[4 marks]
6
Turn over ►
Downloaded by: academiamaster |
IB/H/Jun21/7402/2
Distribution of this document is illegal
, Stuvia.com - The Marketplace to Buy and Sell your Study Material
4
Do not write
outside the
box
0 1 .2
Malonate inhibits a reaction in the Krebs cycle.
Explain why malonate would decrease the uptake of oxygen in a respiring cell.
[2 marks]
Downloaded by: academiamaster |
IB/H/Jun21/7402/2
Distribution of this document is illegal
