AQA
AS
BIOLOGY
7401/1
Paper 1
Question Paper + Mark scheme [MERGED]
June 2022
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
AS
BIOLOGY
Paper 1
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
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. TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 75.
*JUN227401101*
IB/M/Jun22/E9 7401/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 . 1 Figure 1 shows the structure of some biological molecules.
Figure 1
*02*
IB/M/Jun22/7401/1
, 3
Do not write
outside the
Complete Table 1 by writing the correct letter, A, B, C, D or E, in the box next to each box
statement. Each letter may be used once, more than once, or not at all.
[4 marks]
Table 1
Letter Statement
is hydrolysed in the ileum and a product of this hydrolysis is found in
micelles
is formed by a condensation reaction between two α-glucose
molecules
is formed by the action of DNA polymerase
gives a positive result in an emulsion test
0 1 . 2 Describe the mechanism for the absorption of amino acids in the ileum.
[4 marks]
8
Turn over for the next question
Turn over ►
*03*
IB/M/Jun22/7401/1
AS
BIOLOGY
7401/1
Paper 1
Question Paper + Mark scheme [MERGED]
June 2022
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
AS
BIOLOGY
Paper 1
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
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. TOTAL
Information
• The marks for the questions are shown in brackets.
• The maximum mark for this paper is 75.
*JUN227401101*
IB/M/Jun22/E9 7401/1
, 2
Do not write
outside the
Answer all questions in the spaces provided. box
0 1 . 1 Figure 1 shows the structure of some biological molecules.
Figure 1
*02*
IB/M/Jun22/7401/1
, 3
Do not write
outside the
Complete Table 1 by writing the correct letter, A, B, C, D or E, in the box next to each box
statement. Each letter may be used once, more than once, or not at all.
[4 marks]
Table 1
Letter Statement
is hydrolysed in the ileum and a product of this hydrolysis is found in
micelles
is formed by a condensation reaction between two α-glucose
molecules
is formed by the action of DNA polymerase
gives a positive result in an emulsion test
0 1 . 2 Describe the mechanism for the absorption of amino acids in the ileum.
[4 marks]
8
Turn over for the next question
Turn over ►
*03*
IB/M/Jun22/7401/1
