Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
INTERNATIONAL GCSE
BIOLOGY
Paper 1
Wednesday 26 October 2022 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. 1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions in the spaces provided.
5
• If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). 6
• Do all rough work in this book. Cross through any work you do not 7
want to be marked.
TOTAL
Information
• There are 90 marks available on this paper.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.
Advice
In all calculations, show clearly how you work out your answer.
*Nov229201101*
IB/M/Nov22/E10 9201/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about biomass and energy.
Figure 1 shows a food chain.
Figure 1
0 1 . 1 What energy does the lettuce absorb to make food molecules?
[1 mark]
Tick () one box.
Heat
Light
Sound
0 1 . 2 The biomass of each stage of a food chain can be represented in a pyramid of
biomass.
Which pyramid of biomass represents the food chain in Figure 1?
[1 mark]
Tick () one box.
*02*
IB/M/Nov22/9201/1
, 3
Do not write
outside the
0 1 . 3 Energy can be measured in joules (J). box
174 000 J of energy reach the lettuce in 1 day.
The lettuce absorbs 1914 J of energy.
Calculate the percentage of energy that the lettuce absorbs.
[2 marks]
Percentage = %
0 1 . 4 Chloroplasts in plant cells absorb energy.
Plant cells contain several other parts.
Draw one line from each cell part to its function.
[3 marks]
Cell part Function of the part
Contains cell sap
Mitochondria
Controls the activity of
the cell
Nucleus
Controls what enters and
leaves the cell
Vacuole
Releases energy for the
cell
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Nov22/9201/1
, 4
Do not write
outside the
Figure 1 is repeated below. box
Figure 1
Figure 2 shows a different food chain.
Figure 2
0 1 . 5 The food chain in Figure 2 is more efficient than the food chain in Figure 1 in making
food for humans.
Explain why the food chain in Figure 2 is more efficient.
[2 marks]
*04*
IB/M/Nov22/9201/1
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
INTERNATIONAL GCSE
BIOLOGY
Paper 1
Wednesday 26 October 2022 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. 1
Instructions 2
• Use black ink or black ball-point pen. 3
• Fill in the boxes at the top of this page. 4
• Answer all questions in the spaces provided.
5
• If you need extra space for your answer(s), use the lined pages at the end of
this book. Write the question number against your answer(s). 6
• Do all rough work in this book. Cross through any work you do not 7
want to be marked.
TOTAL
Information
• There are 90 marks available on this paper.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.
Advice
In all calculations, show clearly how you work out your answer.
*Nov229201101*
IB/M/Nov22/E10 9201/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 This question is about biomass and energy.
Figure 1 shows a food chain.
Figure 1
0 1 . 1 What energy does the lettuce absorb to make food molecules?
[1 mark]
Tick () one box.
Heat
Light
Sound
0 1 . 2 The biomass of each stage of a food chain can be represented in a pyramid of
biomass.
Which pyramid of biomass represents the food chain in Figure 1?
[1 mark]
Tick () one box.
*02*
IB/M/Nov22/9201/1
, 3
Do not write
outside the
0 1 . 3 Energy can be measured in joules (J). box
174 000 J of energy reach the lettuce in 1 day.
The lettuce absorbs 1914 J of energy.
Calculate the percentage of energy that the lettuce absorbs.
[2 marks]
Percentage = %
0 1 . 4 Chloroplasts in plant cells absorb energy.
Plant cells contain several other parts.
Draw one line from each cell part to its function.
[3 marks]
Cell part Function of the part
Contains cell sap
Mitochondria
Controls the activity of
the cell
Nucleus
Controls what enters and
leaves the cell
Vacuole
Releases energy for the
cell
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Nov22/9201/1
, 4
Do not write
outside the
Figure 1 is repeated below. box
Figure 1
Figure 2 shows a different food chain.
Figure 2
0 1 . 5 The food chain in Figure 2 is more efficient than the food chain in Figure 1 in making
food for humans.
Explain why the food chain in Figure 2 is more efficient.
[2 marks]
*04*
IB/M/Nov22/9201/1
