生物 1994 年 DSE、CE 選擇題（第 4 頁）

31.

Directions: Questions 31 and 32 refer to the diagram below which shows an experimental set-up to study the effect of light on the growth of oat coleoptiles:

If the hole of the black box is covered up, which of the following is correct with regard to the growth of the coleoptiles?

32.

Directions: Questions 33 and 34 refer to the diagram below which shows part of the human skeleton:

Which of the following functions are carried out by bone W?

(1)producing red blood cells

(2)helping in ventilation of the lungs

(3)protecting internal organs

33.

Directions: Questions 33 and 34 refer to the diagram below which shows part of the human skeleton:

Which of the joints X, Y and Z allow(s) movement between the bones?

34.

Directions: Questions 35 and 36 refer to the diagram below which shows some structures associated with the elbow joint:

Which comparison between structures A and B is correct?

	Structure A	Structure B
	rigid	soft
	elastic	not elastic
	can stand a high tension	cannot stand a high tension
	contains a large amount of calcium salts	contains a small amount of calcium salts

35.

Directions: Questions 35 and 36 refer to the diagram below which shows some structures associated with the elbow joint:

Which of the following correctly describes the functions of structures A and B?

	Structure A	Structure B
	holding the bones together	transmitting force to the bone
	acting as a pivot	protecting the joint
	protecting the joint	preventing dislocation of the joint
	transmitting force to the bone	acting as a pivot

36.

The diagram below shows a man at a certain stage of swimming:

Which of the following combinations correctly describes the conditions of his arm muscles at this stage?

Left arm: Biceps	Left arm: Triceps	Right arm: Biceps	Right arm: Triceps
contracted	relaxed	relaxed	contracted
relaxed	contracted	contracted	relaxed
contracted	relaxed	contracted	relaxed
relaxed	contracted	relaxed	contracted

37.

Which of the following sequences of events will occur when a person inhales while he is asleep?

38.

Brown eye colour is dominant to blue eye colour in man. A brown-eyed father and a blue-eyed mother have four children. Three of the children are blue-eyed and one is brown-eyed. Which of the following statements is correct?

39.

The diagram below shows part of the male urinogenital system of man:

Which of the following is correct?

Structure for the production of seminal fluid	Structure for transmitting urine	Structure for the production of gametes
1	3	5
2	4	5
1	3	6
2	4	6

40.

Which of the following statements about birth control methods is correct?