OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER
1 Which option is a short-term effect of a pollutant on the respiratory system?
A Asthma attack
B Chronic bronchitis
C Emphysema
D Lung cancer
Your answer
...
OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER
1 Which option is a short-term effect of a pollutant on the respiratory system?
A Asthma attack
B Chronic bronchitis
C Emphysema
D Lung cancer
Your answer
[1]
2 Herceptin is a drug used in immunotherapy to treat breast cancer.
Which of the statements about treating cancer with Herceptin is correct?
A Chemicals bind to oestrogen to prevent transcription in cancer cells.
B Ionising radiation binds to cancer cells.
C Specialised antibodies are attracted to cancer cells.
D Toxic chemicals destroy cancer cells.
Your answer
[1]
3 Which of the statements about a false-negative screening test for breast cancer is correct?
A A follow-up biopsy confirms that no cancer is present in the breast tissue.
B A mammogram looks abnormal even though no cancer is present.
C A mammogram looks normal even though cancer is present.
D The person looking at the mammograms records a positive result by mistake.
Your answer
[1]
D
1 Which option is a short-term effect of a pollutant on the respiratory system?
A Asthma attack
B Chronic bronchitis
C Emphysema
D Lung cancer
Your answer
[1]
2 Herceptin is a drug used in immunotherapy to treat breast cancer.
Which of the statements about treating cancer with Herceptin is correct?
A Chemicals bind to oestrogen to prevent transcription in cancer cells.
B Ionising radiation binds to cancer cells.
C Specialised antibodies are attracted to cancer cells.
D Toxic chemicals destroy cancer cells.
Your answer
[1]
3 Which of the statements about a false-negative screening test for breast cancer is correct?
A A follow-up biopsy confirms that no cancer is present in the breast tissue.
B A mammogram looks abnormal even though no cancer is present.
C A mammogram looks normal even though cancer is present.
D The person looking at the mammograms records a positive result by mistake.
Your answer
[1]
D
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