Please write clearly in block capitals.
Centre number Candidate number
Surname
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Candidate signature
I declare this is my own work.
INTERNATIONAL A-LEVEL
BIOLOGY (9610)
Unit 3 Populations and Genes
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 TOTAL
this book. Write the question number against your answer(s).
• 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.
*JAN23BL0301*
IB/H/Jan23/E12 BL03
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Photosynthesis occurs inside chloroplasts.
Figure 1 shows a summary of photosynthesis. A and C are substances that enter the
chloroplast, B and D are substances that leave the chloroplast.
Figure 1
0 1 . 1 Name the substances labelled A, B, C and D shown in Figure 1.
[2 marks]
Substance A
Substance B
Substance C
Substance D
0 1 . 2 State the precise locations of the light-dependent and the light-independent reactions
in the chloroplast.
[2 marks]
Light-dependent reaction
Light-independent reaction
*02*
IB/H/Jan23/BL03
, 3
Do not write
outside the
0 1 . 3 Describe how reduced NADP is produced in the light-dependent reactions of box
photosynthesis.
[4 marks]
Question 1 continues on the next page
Turn over ►
*03*
IB/H/Jan23/BL03
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
INTERNATIONAL A-LEVEL
BIOLOGY (9610)
Unit 3 Populations and Genes
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 TOTAL
this book. Write the question number against your answer(s).
• 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.
*JAN23BL0301*
IB/H/Jan23/E12 BL03
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 Photosynthesis occurs inside chloroplasts.
Figure 1 shows a summary of photosynthesis. A and C are substances that enter the
chloroplast, B and D are substances that leave the chloroplast.
Figure 1
0 1 . 1 Name the substances labelled A, B, C and D shown in Figure 1.
[2 marks]
Substance A
Substance B
Substance C
Substance D
0 1 . 2 State the precise locations of the light-dependent and the light-independent reactions
in the chloroplast.
[2 marks]
Light-dependent reaction
Light-independent reaction
*02*
IB/H/Jan23/BL03
, 3
Do not write
outside the
0 1 . 3 Describe how reduced NADP is produced in the light-dependent reactions of box
photosynthesis.
[4 marks]
Question 1 continues on the next page
Turn over ►
*03*
IB/H/Jan23/BL03
