2005 年
生物 · 共 60 題 · 點擊選項即時核對答案
Excess amino acids absorbed into the human body will be
Mary, of blood group A, and her husband, of blood group O, have two children. Both children are found to have blood group A. Mary concludes that she must be homozygous for blood group A. Given that blood group A is dominant to blood group O, is Mary’s conclusion correct?
Bile is a digestive juice in our body. Which of the following statements about bile is correct?
Based on the idea that global warming is caused by a steady increase in carbon dioxide concentration in the atmosphere, which of the following may contribute to global warming?
Which of the following cells probably have the lowest rate of respiration?
A gardener pollinated a purple-flowered pea plant with the pollens from a white-flowered pea plant. When the seeds obtained from this cross were germinated, he obtained 252 purple-flowered plants and 245 white-flowered plants. What conclusion can be drawn from the result of this cross?
Questions 17 and 18 refer to the graph below, which shows the changes in the air pressure in the lungs of a person when he is at rest:
What is the rate of breathing of this person at rest?
Questions 17 and 18 refer to the graph below, which shows the changes in the air pressure in the lungs of a person when he is at rest:
Which of the following correctly describes the state of the intercostal muscles and the diaphragm at time X?
| Intercostal muscles | Diaphragm | |
|---|---|---|
| contracting | dome-shaped | |
| contracting | flattened | |
| relaxing | dome-shaped | |
| relaxing | flattened |
Questions 19 and 20 refer to the diagram below, which shows the alimentary canal and its associated structures:
Chemical digestion of carbohydrate occurs in
Questions 19 and 20 refer to the diagram below, which shows the alimentary canal and its associated structures:
If structure 5 of a person were blocked, which of the following would occur?