2007 年
生物 · 共 59 題 · 點擊選項即時核對答案
A couple, who have already had three children, decided not to have babies in the future. Which of the following contraceptive measures is most reliable?
Amniotic fluid cannot provide protection to the foetus against
Questions 54 and 55 refer to the diagram below, which shows a set-up used to investigate the conditions for seed germination. The tubes were kept at 30°C. The seeds in tube A germinated while those in tube B did not.
Based on the design of the set-up, the investigation is to test whether
Questions 54 and 55 refer to the diagram below, which shows a set-up used to investigate the conditions for seed germination. The tubes were kept at 30°C. The seeds in tube A germinated while those in tube B did not.
Which of the following correctly shows the change in the total dry mass of the germinating seeds in tube A?
Questions 56 and 57 refer to the table below, which shows the results of a blood test of three individuals. None of them have received any vaccinations related to hepatitis A before.
| Level of hepatitis A antigen in blood (arbitrary unit) | Level of antibody against hepatitis A antigen in blood (arbitrary unit) | |
|---|---|---|
| X | 0 | 0 |
| Y | 0 | 297 |
| Z | 300 | 351 |
Which individuals have contracted hepatitis A?
Questions 56 and 57 refer to the table below, which shows the results of a blood test of three individuals. None of them have received any vaccinations related to hepatitis A before.
| Level of hepatitis A antigen in blood (arbitrary unit) | Level of antibody against hepatitis A antigen in blood (arbitrary unit) | |
|---|---|---|
| X | 0 | 0 |
| Y | 0 | 297 |
| Z | 300 | 351 |
Vaccination can confer protective effect to individual(s)
Which of the following photomicrographs shows the full set of chromosomes in a body cell of a boy with abnormalities in his chromosomes?
Questions 59 and 60 refer to the diagram below, which shows a set-up designed by a student for investigating the growth response of coleoptiles:
After a few days, the aluminium foil was removed. Which of the following diagrams shows the most probable results of the investigation?
Questions 59 and 60 refer to the diagram below, which shows a set-up designed by a student for investigating the growth response of coleoptiles:
Which of the following set-ups would probably serve a similar aim as the student’s investigation?
