生物 2001 年 DSE、CE 選擇題（第 5 頁）

41.

The soil nitrogen content of farmland can be improved by growing

42.

Which of the following descriptions of chromosomes in humans is correct ?

43.

Questions 43 and 44 refer to the diagram below, which shows part of the human ear :

Which of the following are the functions of structure 2 ?

(1)to amplify vibrations

(2)to transmit vibrations

(3)to equalize the pressure on the two sides of structure 1

44.

Questions 43 and 44 refer to the diagram below, which shows part of the human ear :

The function of structure 3 is to

45.

Questions 45 and 46 refer to the photograph below, which shows a 7-day-old bean seedling :

The food that supported the growth of the seedling up to this stage mainly came from

46.

Questions 45 and 46 refer to the photograph below, which shows a 7-day-old bean seedling :

Which of the following graphs correctly shows the changes in the fresh mass of the seedling in the past 7 days ?

47.

Questions 47 and 48 refer to the diagram below, which shows a plant X growing on another plant Y :

Plant X has a white thread-like stem. When mature, it has no leaves or roots, and it obtains organic nutrients from plant Y. Plant X is most likely

48.

Questions 47 and 48 refer to the diagram below, which shows a plant X growing on another plant Y :

Some tiny insects are often found on the stem of plant X sucking its juice for food. These insects are

49.

Questions 49 and 50 refer to the passage below, which is an extract from a newspaper article dated 28 August 1997 :

An accident occurred in the Intensive Care Unit of a local hospital yesterday. A patient was supposed to be fed with milk through a tube in his nose. However, a student nurse mistakenly connected a nutrition pack containing milk to a tube in the patient’s neck, dripping the milk into his veins instead of his stomach. This mistake was discovered 45 minutes later. ‘The fat in the milk could block blood circulation in serious circumstances, particularly in the small blood vessels. Fortunately, the patient’s condition has become stable after 48 hours’ observation,’ a doctor of the hospital said.

The tube in the patient’s nose was connected to

50.

Questions 49 and 50 refer to the passage below, which is an extract from a newspaper article dated 28 August 1997 :

An accident occurred in the Intensive Care Unit of a local hospital yesterday. A patient was supposed to be fed with milk through a tube in his nose. However, a student nurse mistakenly connected a nutrition pack containing milk to a tube in the patient’s neck, dripping the milk into his veins instead of his stomach. This mistake was discovered 45 minutes later. ‘The fat in the milk could block blood circulation in serious circumstances, particularly in the small blood vessels. Fortunately, the patient’s condition has become stable after 48 hours’ observation,’ a doctor of the hospital said.

Dripping milk into the veins might have led to the blockage of small blood vessels in some organs. Based on your knowledge of the circulatory pathway, which of the following organs would most likely be affected first ?