AQA A LEVEL BOILOGY PAPER 3 QP MERGED WITH MARK SCHEME
JUNE 2024
A-level
BIOLOGY
Paper 3
Wednesday 19 June 2024 Morning Time allowed: 2 hours
AQA A LEVEL BOILOGY PAPER 3 QP MERGED WITH MARK SCHEME JUNE
2024
IB/M/Jun24/G4006/E11 7402/3
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
You are advised to spend no more than 1 hour and 15 minutes on this section.
0 1 . 1 In the following passage, each numbered space can be filled with a biological term.
Each type of cell has specific molecules on its (1) that identify it. An
antibody is a (2) with two (3) binding sites. Antibodies
are made and released by (4) cells.
Vaccines can provide protection for individuals and populations against disease. The
response to a vaccine is an example of (5) immunity.
(6) immunity occurs when a large proportion of a population becomes
immune to a disease.
Write the correct biological term beside each number below that matches the space in
the passage.
[3 marks]
1
2
3
4
5
6
0 1 . 2 There is currently no effective vaccine available for HIV.
Suggest one reason why.
[1 mark]
IB/M/Jun24/7402/3
, 3
Do not write
outside the
0 1 . 3 box
Table 1 shows the action of two antibiotics.
Table 1
Antibiotic Action of antibiotic
Ciprofloxacin Causes double-stranded DNA to break apart
Penicillin Prevents formation of crosslinks between murein chains
Using the information in Table 1, explain why each antibiotic is not effective against
HIV.
[2 marks]
Ciprofloxacin
Penicillin
6
Turn over for the next question
Turn over ►
IB/M/Jun24/7402/3
, 4
Do not write
outside the
0 2 A student investigated the effect of temperature on the rate of aerobic respiration in box
woodlice.
Figure 1 shows the apparatus they used.
Figure 1
The student altered the temperature of the water bath and measured how far the drop
of coloured liquid moved every minute for 5 minutes.
0 2 . 1 Other than those stated, suggest two variables the student should have kept constant
in this investigation.
[1 mark]
1
2
IB/M/Jun24/7402/3
JUNE 2024
A-level
BIOLOGY
Paper 3
Wednesday 19 June 2024 Morning Time allowed: 2 hours
AQA A LEVEL BOILOGY PAPER 3 QP MERGED WITH MARK SCHEME JUNE
2024
IB/M/Jun24/G4006/E11 7402/3
, 2
Do not write
outside the
Section A box
Answer all questions in this section.
You are advised to spend no more than 1 hour and 15 minutes on this section.
0 1 . 1 In the following passage, each numbered space can be filled with a biological term.
Each type of cell has specific molecules on its (1) that identify it. An
antibody is a (2) with two (3) binding sites. Antibodies
are made and released by (4) cells.
Vaccines can provide protection for individuals and populations against disease. The
response to a vaccine is an example of (5) immunity.
(6) immunity occurs when a large proportion of a population becomes
immune to a disease.
Write the correct biological term beside each number below that matches the space in
the passage.
[3 marks]
1
2
3
4
5
6
0 1 . 2 There is currently no effective vaccine available for HIV.
Suggest one reason why.
[1 mark]
IB/M/Jun24/7402/3
, 3
Do not write
outside the
0 1 . 3 box
Table 1 shows the action of two antibiotics.
Table 1
Antibiotic Action of antibiotic
Ciprofloxacin Causes double-stranded DNA to break apart
Penicillin Prevents formation of crosslinks between murein chains
Using the information in Table 1, explain why each antibiotic is not effective against
HIV.
[2 marks]
Ciprofloxacin
Penicillin
6
Turn over for the next question
Turn over ►
IB/M/Jun24/7402/3
, 4
Do not write
outside the
0 2 A student investigated the effect of temperature on the rate of aerobic respiration in box
woodlice.
Figure 1 shows the apparatus they used.
Figure 1
The student altered the temperature of the water bath and measured how far the drop
of coloured liquid moved every minute for 5 minutes.
0 2 . 1 Other than those stated, suggest two variables the student should have kept constant
in this investigation.
[1 mark]
1
2
IB/M/Jun24/7402/3
