2002 年
生物 · 共 60 題 · 點擊選項即時核對答案
Questions 30 and 31 refer to the graphs below, which show the rate and depth of breathing of three persons during a fitness test :

The three persons are a cigarette smoker, a non-smoker and a professional runner. Which of the following correctly identifies the person represented by each of the graphs ?
| Graph 1 | Graph 2 | Graph 3 | |
|---|---|---|---|
| smoker | non-smoker | runner | |
| non-smoker | runner | smoker | |
| non-smoker | smoker | runner | |
| runner | smoker | non-smoker |
Questions 32 and 33 refer to the graph below, which shows the change in lactic acid concentration in the blood of a person when he performed vigorous exercise :

The person stopped doing exercise at
Questions 32 and 33 refer to the graph below, which shows the change in lactic acid concentration in the blood of a person when he performed vigorous exercise :

Which of the following lead to the change in lactic acid concentration in the blood during the 10th to 20th minute ?
Which of the following cell types is/are capable of locomotion ?
Which of the following can account for the appearance of the red blood cells shown in the photomicrograph below ?

Animal species X has a smaller risk of extinction than animal species Y in nature. Which of the following is the least probable explanation for this ?
Organic fertilizers are more environmentally friendly than inorganic fertilizers because organic fertilizers
Questions 38 and 39 refer to the passage below : Atherosclerosis is a condition in which the smooth internal lining of blood vessels becomes covered with fatty deposits. This causes a reduction in the diameter of the blood vessels. The fatty deposits often cause the formation of blood clots which further narrow the blood vessels and eventually block them completely. Atherosclerosis is becoming more common in many countries and this has led to an increase in the incidence of heart attack.
Narrowing of blood vessels of the heart may lead to heart attack because
Questions 38 and 39 refer to the passage below : Atherosclerosis is a condition in which the smooth internal lining of blood vessels becomes covered with fatty deposits. This causes a reduction in the diameter of the blood vessels. The fatty deposits often cause the formation of blood clots which further narrow the blood vessels and eventually block them completely. Atherosclerosis is becoming more common in many countries and this has led to an increase in the incidence of heart attack.
Which of the following are possible causes for the increase in number of atherosclerosis cases ?
Red tide can be harmful to marine organisms because the algae in the red tide