生物 2005 年 DSE、CE 選擇題（第 6 頁）

51.

Which of the following diagrams correctly shows a short-sighted condition?

52.

Fossil records are valuable in the study of evolution because they provide information about

53.

Questions 53 and 54 refer to the graph below, which shows the changes in dry mass of a bean seedling, the cotyledons and the plumule of the same seedling during the early stages of germination:

Which curves represent the changes in dry mass of the whole seedling and the cotyledons?

	Whole seedling	Cotyledons
	X	Y
	X	Z
	Y	X
	Y	Z

54.

Questions 53 and 54 refer to the graph below, which shows the changes in dry mass of a bean seedling, the cotyledons and the plumule of the same seedling during the early stages of germination:

In which period is the photosynthetic rate of the seedling higher than its respiration rate?

55.

Questions 55 and 56 refer to the diagram below, which shows a longitudinal section of a flower:

Fertilization occurs in structure

56.

Questions 55 and 56 refer to the diagram below, which shows a longitudinal section of a flower:

The flower produces numerous pollen grains. What is the importance of this?

57.

Which of the following are advantages of breast-feeding?

(1)Mother’s milk contains the right amount of protein and fat.

(2)Mother’s milk contains enzymes to help digesting the food.

(3)Mother’s milk contains antibodies that provide immunity to the baby.

58.

The diagram below shows an experiment used to study the growth of oat coleoptile:

What is the hypothesis being tested in this experiment?

59.

Which of the following processes is controlled by hormones?

60.

Which of the following is not an advantage of growing genetically modified crop plants in agriculture?