B which of the following statements correctly

(b) Which of the following statements correctly explain(s) the results?
(1) The red colour is due to the presence of haemoglobin.
(2) Most of the cells in the mixture are not intact.
(3) Water in the red blood cells moves out to liquid A by osmosis.
A. (1) only
B. (3) only
C. (1) and (2) only
D. (2) and (3) only
liquid A
fresh blood clear red mixture
□
## (a) A, (b) C ##
Skills assessed Marks
(a) Analysing data 1
(b) Analysing data 1
|!|BCEMB0040000044|!|

© 2019 Aristo Educational Press Ltd. 33

HKDSE BIOLOGY: Connecting Concepts Chapter 4
Question bank Multiple-choice questions
The diagram below shows an experimental set-up for the study of osmosis.
Which of the following combinations of liquids P and Q will cause the liquid level of
the capillary tube to drop in the greatest extent after 15 minutes?
Liquid P Liquid Q
liquid Q
capillary tube
beaker
liquid level
dialysis tubing
liquid P
□
## A ##
Skill assessed Mark
Analysing data 1
|!|BCEMC0040000045|!|
The diagram below shows the cross sectional view of a plasma membrane.
Which of the following combinations correctly identifies structures P and Q?
Q
© 2019 Aristo Educational Press Ltd.
P
Q

HKDSE BIOLOGY: Connecting Concepts Chapter 4
Question bank Multiple-choice questions
A. glycoprotein phosphate
B. glycoprotein fatty acid
C. cholesterol phosphate
D. cholesterol fatty acid
□
## A ##
Skill assessed Mark
Analysing data 1
|!|BCEMC0040000046|!|
Which of the following chemical substances is not a component of the cell membrane?
□
## D ##
Skill assessed Mark
Understanding basic concepts 1
© 2019 Aristo Educational Press Ltd. 35

HKDSE BIOLOGY: Connecting Concepts Chapter 4
Question bank Multiple-choice questions
|!|BCEMC0040000047|!|
Which of the following statements about the cell membrane is/are correct?
(1) It is freely permeable to water and gases.
(2) It is mainly made up of phospholipids.
(3) It can allow amino acid to pass through freely.
A. (2) only
B. (1) and (2) only
C. (1) and (3) only
D. (2) and (3) only
□
## A ##
Skill assessed Mark
Understanding basic concepts 1
|!|BCEMC0040000048|!|
SI
Directions: Questions (a) and (b) refer to the diagram below. A dialysis tubing was tied
to the end of the glass tube of a thistle funnel. The liquid inside the dialysis tubing was
sucrose solution, while the liquid outside the tubing was distilled water. The liquid level
in the thistle funnel rose to a certain height and then stopped.
(a) The liquid level in the thistle funnel rose because of
sucrose
solution
distilled
water
thistle
funnel
© 2019 Aristo Educational Press Ltd. 36

HKDSE BIOLOGY: Connecting Concepts Chapter 4
Question bank Multiple-choice questions
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