1997 年
生物 · 共 57 題 · 點擊選項即時核對答案
Questions 42 and 43 refer to the diagram below which shows part of a lotus plant:
Which structures store food for the development of new plants?
Questions 44 and 45 refer to the diagram below which shows a foetus in the mother's body:
Which of the following are the functions of structures 1, 2 and 3?
| Structure 1 | Structure 2 | Structure 3 | |
|---|---|---|---|
| food supply | gaseous exchange | protection | |
| protection | food supply | gaseous exchange | |
| food transport | protection | gaseous exchange | |
| gaseous exchange | food transport | protection |
Questions 44 and 45 refer to the diagram below which shows a foetus in the mother's body:
Which structures have the same genotype in their cells?
Which of the following comparisons of the two birth control methods used by women is correct?
| Contraceptive pills | Tying up of oviducts | |
|---|---|---|
| ovulation occurs | no ovulation | |
| no implantation of embryo | implantation of embryo occurs | |
| no menstruation | menstruation occurs | |
| easy to cancel its contraceptive effect | hard to cancel its contraceptive effect |
Arrange the following events of the birth process in the correct sequence.
(5) cutting of umbilical cord
(6) onset of labour
Two characters of a class of students were measured and the results are shown in the graphs below:
The two characters are probably
| Character 1 | Character 2 | |
|---|---|---|
| rate of heart beat | skin colour | |
| height | ability to roll the tongue | |
| intelligence | blood groups | |
| blood groups | rate of heart beat |
Questions 49 and 50 refer to the diagram below which shows a simplified nitrogen cycle:
What are P and Q?
| P | Q | |
|---|---|---|
| animal proteins | nitrate | |
| urea | nitrate | |
| animal proteins | urea | |
| nitrate | urea |
Questions 49 and 50 refer to the diagram below which shows a simplified nitrogen cycle:
What are processes X and Y?
| Process X | Process Y | |
|---|---|---|
| nitrification | putrefaction | |
| putrefaction | denitrification | |
| nitrogen fixation | denitrification | |
| nitrogen fixation | nitrification |
If inorganic nitrogen fertilizer is added to the soil, which of the following will occur?
Three food chains are shown below: 1 : grass → cow → lion 2 : tree → beetle → parasite of beetle 3 : flowering plant → butterfly → bird They can be represented by the three pyramids of number X, Y and Z below:
Which of the following combinations correctly matches the food chains and the pyramids?
| Pyramid X | Pyramid Y | Pyramid Z | |
|---|---|---|---|
| 1 | 2 | 3 | |
| 2 | 1 | 3 | |
| 2 | 3 | 1 | |
| 3 | 1 | 2 |