1992 年
生物 · 共 58 題 · 點擊選項即時核對答案
The experimental set-up shown below was placed in a well-illuminated area. After 24 hours the bicarbonate indicator solution changed from red to purple.
The specimen placed inside the tube would probably be
Which of the following groups of food has the greatest energy value ?
| Carbohydrate (g) | Fat (g) | Protein (g) | Water (g) | |
|---|---|---|---|---|
| 80 | 50 | 50 | 120 | |
| 80 | 60 | 50 | 110 | |
| 100 | 60 | 40 | 100 | |
| 120 | 30 | 50 | 100 |
Which of the following combinations correctly matches the modes of nutrition of the organisms shown below ?
| Autotrophic nutrition | Parasitic nutrition | Saprophytic nutrition | |
|---|---|---|---|
| (2) | (4) | (1) | |
| (1) | (3) | (2) | |
| (1) | (4) | (3) | |
| (2) | (3) | (4) |
Bacteria play a part in tooth decay by
Which of the following animals does not possess canine teeth ?
Which of the following products of digestion is absorbed into the lacteal of the villus ?
The following bar charts (A, B, C and D) show the relative amounts of certain food substances taken in daily by 4 different persons. Which person is least likely to suffer from rickets ?
Which of the following is not a necessary precaution for a water culture experiment using young seedlings ?
In a water culture experiment, seedlings are preferable to mature plants. The main reason is that
Questions 20 and 21 refer to the following plant produce :
Which of the following statements is true ?