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aqa A-level BIOLOGY Paper 1(7402/1) June 2024 OFFICIAL Question paper
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aqa A-level BIOLOGY Paper 1(7402/1) June 2024 OFFICIAL Question paper
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aqaPlease write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
A-level
BIOLOGY
Paper 1
Wednesday 5 June 2024 Afternoon Time allowed: 2 hours
Materials
For Examiner’s Use
For this paper you must have:
a ruler with millimetre measurements Question Mark
a scientific calculator. 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
6
outside the 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 7
this book. Write the question number against your answer(s). 8
Show all your working.
9
Do all rough work in this book. Cross through any work you do not want
to be marked. 10
TOTAL
Information
The marks for the questions are shown in brackets.
The maximum mark for this paper is 91.
7402/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 . 1 Figure 1 shows the structure of a fatty acid molecule and the structure of a glycerol
molecule.
Figure 1
On Figure 1, draw a circle around the part of the fatty acid molecule and the part of
the glycerol molecule that is removed to form a bond in a triglyceride molecule.
Name the bond formed between a fatty acid and glycerol in a triglyceride molecule.
Name the reaction involved in forming a bond between a fatty acid and glycerol in a
triglyceride molecule.
[3 marks]
Bond
Reaction
final
, 3
Do not write
outside the
Table 1 shows information about three fatty acids. box
Table 1
0 1 . 2 Name the fatty acid shown in Table 1 that is a saturated fatty acid.
[1 mark]
0 1 . 3 The melting point is the temperature at which a solid changes state to be a liquid.
Use Table 1 to describe the relationship between fatty acid structure and fatty acid
melting point.
[1 mark]
Question 1 continues on the next page
Turn over ►
final
, 4
Do not write
outside the
box
final
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