1999 年
生物 · 共 59 題 · 點擊選項即時核對答案
Directions : Questions 10 and 11 refer to the following diagram of a set-up used to estimate the energy value of two types of food :
| Type of food | Mass of food used (g) | Initial water temperature (°C) | Final water temperature (°C) |
|---|---|---|---|
| Sugar | 3 | 20 | 60 |
| X | 2 | 20 | 73 |
Which of the following are the possible sources of error in estimating the energy value of food by using the above set-up ?
Which of the following food substances is not usually found in pork, milk and egg ?
Which of the following statements about the organism shown in the photograph below is correct ?
If the diet of a person is rich in carbohydrate, his body will store the excess carbohydrate as
Directions : Questions 15 and 16 refer to the diagram below, which shows the transverse section of an intestinal villus :
The main food substance absorbed into structure 1 is
Directions : Questions 15 and 16 refer to the diagram below, which shows the transverse section of an intestinal villus :
Food substances absorbed into structure 2 will be first transported to
In order to have healthy growth of teeth, the diet of young children should contain sufficient amounts of
Directions : Questions 18 and 19 refer to the diagram below, which represents the conditions of the atria and the ventricles in one complete heart beat of a person :
Which of the following correctly describes the conditions of the heart valves during interval 1 ?
| Bicuspid valve | Tricuspid valve | |
|---|---|---|
| closed | closed | |
| closed | opened | |
| opened | opened | |
| opened | closed |
Directions : Questions 18 and 19 refer to the diagram below, which represents the conditions of the atria and the ventricles in one complete heart beat of a person :
During intervals 2 to 4, blood flows
In the liver, excess amino acids will be converted into