2025 AQA A Level Biology Paper 1 – Actual Exam PDF | Verified Questions | High-Scoring Resource

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A-level
BIOLOGY
Paper 1
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment, with each exam testing different cognitive abilities, analytical skills, and subject-
specific knowledge. In this essay, we will explore the nature of exams in business, law, and mathematics, their format, and how they evaluate students’ comprehension




Thursday 5 June 2025 Afternoon Time allowed: 2 hours
Materials For Examiner’s Use
For this paper you must have:
Question Mark
 a ruler with millimetre measurements
 a scientific calculator. 1
2
Instructions 3
 Use black ink or black ball-point pen.
4
 Fill in the boxes at the top of this page.
 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. 7
 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). 8
 Show all your working. 9
 Do all rough work in this book. Cross through any work you do not want 10
to be marked.
TOTAL
Information
 The marks for the questions are shown in brackets.
 The maximum mark for this paper is 91.




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, 2
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outside the
Answer all questions in the spaces provided. box




0 1 . 1 The digestion and absorption of lipids involves:

 emulsification by bile salts
 micelles.

Explain each of the following.
[4 marks]

The importance of emulsification in the digestion of lipids



mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment, with each exam testing different cognitive abilities, analytical skills, and subject-

specific knowledge. In this essay, we will explore the nature of exams in business, law, and mathematics, their format, and how they evaluate students’ comprehension




The role of micelles in the absorption of lipids




0 1 . 2 Describe and explain the arrangement of phospholipid molecules in the cell-surface
membrane.
[2 marks]




6




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outside the
0 2 . 1 Describe how mRNA is obtained from pre-mRNA. box

[1 mark]
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment, with each exam testing different cognitive abilities, analytical skills, and subject-
specific knowledge. In this essay, we will explore the nature of exams in business, law, and mathematics, their format, and how they evaluate students’ comprehension




0 2 . 2 Describe how RNA polymerase joins RNA nucleotides.
[2 marks]




Question 2 continues on the next page




Turn over ►

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0 2 . 3 Figure 1 shows the energy contained in molecules during an enzyme-controlled box

reaction.

Figure 1
mathematics. These disciplines not only have distinct areas of focus but also require unique approaches to assessment, with each exam testing different




cognitive abilities, analytical skills, and subject-specific knowledge. In this essay, we will explore the nature of exams in business, law, and mathematics, their
format, and how they evaluate students’ comprehension



Which expression represents the activation energy (Ea) of this reaction?

Tick () one box.
[1 mark]


A–C


D–C

D–C
B

D




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