2011 年
生物 · 共 59 題 · 點擊選項即時核對答案
Which of the following is most helpful in preventing periodontal disease?
The flow of blood in the aorta is assisted by the
Questions 13 and 14 refer to the following graph, which shows the pressure changes of the left atrium, left ventricle and aorta in a cardiac cycle:
At which time does the blood leave the left ventricle?
Questions 13 and 14 refer to the following graph, which shows the pressure changes of the left atrium, left ventricle and aorta in a cardiac cycle:
At which time are both the semi-lunar valves and the bicuspid valve closed?
The pedigree below shows the inheritance of a condition caused by a recessive allele:
Which of the following individuals must be heterozygous?
Albinism (a condition in which pigment fails to develop in skin) in humans is caused by a recessive allele. A normal man married an albino woman and their first child is an albino. What is the probability of their second child being an albino?
The graph below shows the changes in the amount of three substances (in terms of the percentage of the original amount) in the human body upon starvation:
Which of the following shows the substances that X, Y and Z most probably are?
| X | Y | Z | |
|---|---|---|---|
| fat | protein | glycogen | |
| fat | glycogen | protein | |
| glycogen | protein | fat | |
| protein | fat | glycogen |
The following diagram shows part of the human digestive system:
Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?
The photomicrograph below shows the longitudinal section of a part of a stem:
Which of the following comparisons between structures X and Y is correct?
| Structure X | Structure Y | |
|---|---|---|
| sugar cannot be found in it | sugar can be found in it | |
| minerals can be found in it | minerals cannot be found in it | |
| responsible for support | responsible for transport | |
| carries out respiration | does not carry out respiration |
The diagram below shows a diagrammatic representation of the root and the leaf of a plant:
Which of the labelled arrows in the diagram show(s) the direction of oxygen diffusion between the plant and the surrounding at midnight?