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gv..Oxford Cambridge and RSA
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ythrtrMonday 12 May 2025 – Morning
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Rr1AS Level Biology B (Advancing Biology) AS-Level OCR 2025
Biology B (Advancing
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hhdfdhH022/01 Foundations of biology Biology) Paper 1
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, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer for each question in the box provided.
1 Which of the statements about peak expiratory flow rate (PEFR) is correct?
A It increases as the age of a person increases.
B It is calculated by multiplying tidal volume by breathing rate.
C It is the maximum rate at which air can be forced out through the mouth.
D It is the volume of air breathed out in the first second of forced exhalation.
Your answer
[1]
2 Which option about why multicellular plants need transport systems is not correct?
A Assimilates must be transported from source to sink
B Diffusion distances are too long
C Multicellular plants have large surface area to volume ratios
D Water and mineral ions must be transported from roots to leaves
Your answer
[1]
© OCR 2025
, 3
3 The transmission electron micrograph shows the ultrastructure of a mammalian cell.
P
Which option describes the function of the structure labelled P?
A It produces ATP.
B It stores glycogen.
C It synthesises proteins.
D It synthesises ribosomes.
Your answer
[1]
© OCR 2025 Turn over
gv..Oxford Cambridge and RSA
Bdhfd fdfdhfshdms dsrtttcushfsdjs,d xc xucsjnsm scjhk
ythrtrMonday 12 May 2025 – Morning
kkjkfjkfjkjfjffhhhfkjfkjkfjlckljjhfhdkdjkdksdkkkjj
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Rr1AS Level Biology B (Advancing Biology) AS-Level OCR 2025
Biology B (Advancing
hhdldkgkfgfffkjcjkvvjfglkdlgjdklghdgjdhdkfjdlfkldkfldklfkdlfkld
hhdfdhH022/01 Foundations of biology Biology) Paper 1
ddhdiudoidjudfdgfjdfjdoduidgkdgjogkgrogppppppppppppppppppppp
ttttTime allowed: 1 hour 30 minutesffffhfhhfh
Kojdjkdghdjhkclks;ksfisfudhfdjhfdjn7477778888888888888888888888888888888888888888888888888
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, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer for each question in the box provided.
1 Which of the statements about peak expiratory flow rate (PEFR) is correct?
A It increases as the age of a person increases.
B It is calculated by multiplying tidal volume by breathing rate.
C It is the maximum rate at which air can be forced out through the mouth.
D It is the volume of air breathed out in the first second of forced exhalation.
Your answer
[1]
2 Which option about why multicellular plants need transport systems is not correct?
A Assimilates must be transported from source to sink
B Diffusion distances are too long
C Multicellular plants have large surface area to volume ratios
D Water and mineral ions must be transported from roots to leaves
Your answer
[1]
© OCR 2025
, 3
3 The transmission electron micrograph shows the ultrastructure of a mammalian cell.
P
Which option describes the function of the structure labelled P?
A It produces ATP.
B It stores glycogen.
C It synthesises proteins.
D It synthesises ribosomes.
Your answer
[1]
© OCR 2025 Turn over
