OCR AS LEVEL JUNE 2022 BIOLOGY A PAPER 1 QUESTION PAPER

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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 [Show More]

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