1991 年
生物 · 共 60 題 · 點擊選項即時核對答案
Questions 31 to 33 refer to the diagram below which shows a longitudinal section of a flower :

Structures 1 and 5 are
| Structure 1 | Structure 5 | |
|---|---|---|
| sepal | style | |
| petal | stigma | |
| sepal | stigma | |
| petal | style |
Questions 31 to 33 refer to the diagram below which shows a longitudinal section of a flower :

Which of the following characteristics shown in the diagram indicate that the flower is insect-pollinated ?
Questions 31 to 33 refer to the diagram below which shows a longitudinal section of a flower :

Which structures will usually wither after fertilization ?
The following events are involved in the process of giving birth to a baby :
(5) The uterus contracts rhythmically causing the amniotic membrane to rupture.
Which of the following is the correct order ?
Questions 35 and 36 refer to the diagram below which shows part of the male urinogenital system of man :

Structures X and Y are :
| Structure X | Structure Y | |
|---|---|---|
| sperm duct | urethra | |
| urethra | sperm duct | |
| ureter | sperm duct | |
| sperm duct | ureter |
Questions 35 and 36 refer to the diagram below which shows part of the male urinogenital system of man :

If duct X is blocked, which of the following is true ?
Which of the following statements concerning a pregnant woman are true ?
The following diagrams show plant cells which have been placed in sucrose solutions of different concentrations for 30 minutes :

Which cell has been placed in the solution of the highest concentration ?
Which of the following occur in an ecosystem ?
Questions 40 and 41 refer to the diagram below which shows the experimental set-ups used to study the growth responses of plant seedlings :

After a few days, the appearance of the plant seedlings in the three set-ups would be

| Set-up I | Set-up II | Set-up III | |
|---|---|---|---|
| (1) | (2) | (4) | |
| (2) | (4) | (5) | |
| (4) | (1) | (3) | |
| (5) | (3) | (1) |