Science 30 Diploma Examination January 2001
Science 30 Diploma Examination January 2001 Science 30 Diploma Examination January 2001
11. A child receives DNA from his or her father as a result ofA. gene splicingB. crossing-overC. meiosis and fertilizationD. mitosis and cell division12. Some drugs, such as insulin, are proteins and are injected rather than taken orally.Ingestion of this type of drug is not successful because of theA. action of macrophagesB. low pH of the stomachC. neutral pH of the bloodD. action of memory B cells6
Use the following information to answer the next two questions.A group of medical students designed an experiment to investigate therelationship between exercise and blood pressure. They measured the bloodpressure of 10 healthy students at rest, and measured it again immediatelyafter the students ran for five minutes.13. The manipulated variable in this experiment isA. exerciseB. blood pressureC. the number of studentsD. the health of the students14. As the level of exercise increases, oxygen demand in the muscles increases. Oxygenexchange between blood and muscles occurs as blood flows through theA. veinsB. arteriesC. venulesD. capillaries7
- Page 1 and 2: ence 30 Science 30 Science 30 Scien
- Page 3 and 4: Multiple Choice• Decide which of
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- Page 9: 8. The eye structure that changes s
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- Page 17 and 18: Care of the environment is an issue
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- Page 21 and 22: 30. As part of the 1987 Montreal Pr
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- Page 25 and 26: 34. Electrical energy is transmitte
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- Page 29 and 30: Short Answer - 5%Each of the diagra
- Page 31 and 32: . Increased fuel efficiency of cars
- Page 33 and 34: Tear-outPageNo marks will be given
Use the following information to answer the next two questions.A group of medical students designed an experiment to investigate therelationship between exercise and blood pressure. They measured the bloodpressure of 10 healthy students at rest, and measured it again immediatelyafter the students ran for five minutes.13. The manipulated variable in this experiment isA. exerciseB. blood pressureC. the number of studentsD. the health of the students14. As the level of exercise increases, oxygen demand in the muscles increases. Oxygenexchange between blood and muscles occurs as blood flows through theA. veinsB. arteriesC. venulesD. capillaries7
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