2006 年
生物 · 共 60 題 · 點擊選項即時核對答案
Questions 30 and 31 refer to the diagrams of the human reproductive systems below.
Which of the following will be affected if 3 is removed?
Which of the following descriptions about tubal ligation and vasectomy (i.e. tying and cutting of oviducts and sperm ducts respectively) is correct?
The table below shows the ratio of the mean diameter of lumen to the mean thickness of vessel wall of three types of blood vessels:
| P | Q | R | |
|---|---|---|---|
| Ratio | 10 | 4 | 16 |
Which of the following correctly identifies blood vessels P, Q and R?
| P | Q | R | |
|---|---|---|---|
| artery | capillary | vein | |
| vein | capillary | artery | |
| vein | artery | capillary | |
| capillary | vein | artery |
The photomicrographs below show the appearance of two red blood cells viewed under the same magnification. The one on the left shows a defective red blood cell. The one on the right shows a normal red blood cell.
Source: The Sickle Cell Foundation of Alberta, What is Sickle Cell Disease, (2004), URL: http://www.sicklecellfoundationofalberta.org/ Which of the following descriptions about the defective red blood cell is correct?
The following food chain shows the feeding relationship between a small tree, a leaf-cutting ant and an ant-eater, a mammal which only feeds on ants: (Hint: Each small tree normally supports one nest of leaf-cutting ants.) small tree → leaf-cutting ant → ant-eater Which of the following pyramids of numbers can represent the food chain above?
The following flowchart shows the relationship of some organisms in a community:
Which of the following correctly describes the relationship shown in the flowchart?
Some pond weeds and snails were put in a glass bottle as shown in the following diagram. The bottle was sealed with a cap and put under light for a few days. The pH value of the water in the bottle was found to decrease during this period.
Which of the following methods can restore the pH value of the water?
In the nitrogen cycle, which process(es) involve(s) decomposers?
Sir Robert Hooke is the first scientist who used the light microscope to observe cells. His study led to
Questions 40 and 41 refer to the graph below, which shows the densities of two types of photoreceptors, P and Q, along the horizontal section of the human retina.
Which of the following information allow the identification of the photoreceptors?