AQA A LEVEL BIOLOGY 2020 PAPER 2 QP
, PMT
SPECIMEN MATERIAL
A-level
BIOLOGY
(7402/2)
Paper 2
Specimen 2014 Session Time allowed: 2 hours
Materials
For this paper you must have:
• a ruler with millimetre measurements
• a calculator.
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the bottom of this page.
• Answer all questions.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 91.
Please write clearly, in block capitals, to allow character computer recognition.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
, PMT
2
Answer all questions in the spaces provided.
1 Figure 1 shows the apparatus used for measuring the rate of oxygen
consumption in aerobic respiration by seeds.
0 1 . 1 For the first 10 minutes, the tap attached to tube A was left open and the
syringe from tube B was removed.
Suggest three reasons why the apparatus was left for 10 minutes.
[3 marks]
1
2
3
, PMT
SPECIMEN MATERIAL
A-level
BIOLOGY
(7402/2)
Paper 2
Specimen 2014 Session Time allowed: 2 hours
Materials
For this paper you must have:
• a ruler with millimetre measurements
• a calculator.
Instructions
• Use black ink or black ball-point pen.
• Fill in the boxes at the bottom of this page.
• Answer all questions.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 91.
Please write clearly, in block capitals, to allow character computer recognition.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
, PMT
2
Answer all questions in the spaces provided.
1 Figure 1 shows the apparatus used for measuring the rate of oxygen
consumption in aerobic respiration by seeds.
0 1 . 1 For the first 10 minutes, the tap attached to tube A was left open and the
syringe from tube B was removed.
Suggest three reasons why the apparatus was left for 10 minutes.
[3 marks]
1
2
3
