2006 年
生物 · 共 60 題 · 點擊選項即時核對答案
Questions 40 and 41 refer to the graph below, which shows the densities of two types of photoreceptors, P and Q, along the horizontal section of the human retina.
Which of the following statements is correct?
A person suffers from night blindness and is unable to focus on nearby objects. Which of the following can explain his disabilities?
Questions 43 to 45 refer to the food web shown below:
In the food web, the relationship(s) between the water bird and small fish is / are
Questions 43 to 45 refer to the food web shown below:
The highest trophic level in this food web is
Questions 43 to 45 refer to the food web shown below:
Which of the following is the short-term effect of removing the shrimp from the food web?
If a mung bean seed is germinated and grown on an agar plate with high concentration of auxins, which of the following may be observed?
The following diagram shows an experiment to investigate the growth response of decapitated coleoptiles:
Which of the following correctly states the growth direction of the three decapitated coleoptiles?
| (1) | (2) | (3) | |
|---|---|---|---|
| left | right | right | |
| right | left | left | |
| left | right | left | |
| right | left | right |
The following photograph shows the cross section of a structure connecting the foetus to the mother:
Which of the following comparisons between the content of X and Y is correct?
| X | Y | |
|---|---|---|
| less urea | more urea | |
| less protein | more protein | |
| more oxygen | less oxygen | |
| more carbon dioxide | less carbon dioxide |
Questions 49 and 50 refer to the graph below, which shows the periodic change in the blood pressure in the aorta.
At point P, what are the conditions of the bicuspid and semilunar valves?
| Bicuspid valve | Semilunar valves | |
|---|---|---|
| open | close | |
| open | open | |
| close | open | |
| close | close |
Questions 49 and 50 refer to the graph below, which shows the periodic change in the blood pressure in the aorta.
Which of the following are responsible for the periodic change in the blood pressure in the aorta?