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I declare this is my own work.
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Biology Paper 2H
Friday 9 June 2023 Afternoon Time allowed: 1 hour 15 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator.
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
• 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 6
this book. Write the question number against your answer(s).
• Do all rough work in this book. Cross through any work you do not want to be TOTAL
marked.
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 70.
• 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.
*JUN238464B2H01*
IB/M/Jun23/E7 8464/B/2H
, 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/M/Jun23/8464/B/2H
, 3
Do not write
outside the
0 1 Sexual reproduction in humans involves the production of egg cells and sperm cells. box
0 1 . 1 Name the type of cell division that produces egg cells and sperm cells.
[1 mark]
0 1 . 2 Sexual reproduction produces offspring that are genetically different from each other.
Give two reasons why sexual reproduction causes variation in the offspring.
[2 marks]
1
2
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun23/8464/B/2H
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