生物 1993 年 DSE、CE 選擇題（第 3 頁）

21.

In photosynthesis, light is directly involved in

22.

Questions 24 and 25 refer to the diagram below which shows two set-ups used to investigate respiration of yeast under different conditions :

Which of the following substances will be produced ?

	Set-up I	Set-up II
	carbon dioxide	carbon dioxide and ethanol
	carbon dioxide	carbon dioxide and lactic acid
	carbon dioxide and lactic acid	carbon dioxide
	carbon dioxide and ethanol	carbon dioxide

23.

Questions 24 and 25 refer to the diagram below which shows two set-ups used to investigate respiration of yeast under different conditions :

If the experiment is conducted at a room temperature of 25°C, what will be the probable thermometer readings after one hour ?

	Set-up I	Set-up II
	24°C	27°C
	27°C	24°C
	27°C	25°C
	28°C	27°C

24.

Questions 26 and 27 refer to the diagram below which shows a section of the mammalian heart :

Which of the blood vessels carries/carry oxygenated blood ?

25.

Questions 26 and 27 refer to the diagram below which shows a section of the mammalian heart :

The closing of which valves produces the characteristic ‘heart sounds’ ?

26.

Dianna belongs to blood group A and her brother John belongs to blood group B. Their father can receive a blood donation from John only and their mother can donate blood to Dianna only. To which blood groups do their parents belong ?

	Father	Mother
	B	A
	A	O
	AB	B
	O	AB

27.

The upward movement of water in a tree is mainly induced by

28.

Four coleoptiles, treated as shown below, are placed in the dark :

Which coleoptiles will bend towards the right hand side ?

29.

Which of the following statements about short sight is/are correct ?

(1)The curvature of the lens is too great.

(2)Images of distant objects are formed in front of the retina.

(3)A convex lens is used for correction.

30.

The diagram below shows a sectional view of a part of the human central nervous system :

Which of the following is a correct matching between the structure and its function :

	Structure	Function
	4	a centre of reflex actions
	3	responsible for body balance
	2	controlling movement of eyeballs
	1	coordinating movement of limbs