Which characteristics of organisms isare demonstrated

Which characteristic(s) of organisms is/are demonstrated in this investigation?
(1) growth
(2) movement
(3) sensitivity
direction of
light
direction of
light
direction of
light
direction of
light
after two days
A. (3) only
B. (1) and (3) only
C. (2) and (3) only
D. (1), (2) and (3)
□
© 2019 Aristo Educational Press Ltd. 3

HKDSE BIOLOGY: Connecting Concepts Chapter 1
Question bank Multiple-choice questions
##D##
Skill assessed Mark
Applying concepts 1
|!|BCEMB0010000006|!|

Directions: Questions (a) and (b) refer to the diagram below, which outlines some
processes carried out by green plants and snails.
(a) Which characteristic of organisms is represented by arrow P?
green plant snail
oxygen from
the atmosphere
waste
products
waste
products
carbon dioxide to
the atmosphere
P
Q
□
(b) Which characteristic of organisms is represented by arrow Q?
□
##(a)C, (b)D##
Skills assessed Marks
(a) Analysing data 1
(b) Analysing data 1
© 2019 Aristo Educational Press Ltd. 4

HKDSE BIOLOGY: Connecting Concepts Chapter 1
Question bank Multiple-choice questions
|!|BCEMB0010000007|!|

SI
Susan wants to find out whether red light, instead of sunlight, can promote the growth of
bean sprouts. Which of the following set-ups should be used?
□
##B##
Skill assessed Mark
Practical skills 1
|!|BCEMA0010000008|!|

SI
Susan carried out an investigation to study whether red light, instead of sunlight, can
promote the growth of bean sprouts. She prepared two pots of bean sprouts. Each pot
contained 10 seedlings.
What is the advantage of including 10 seedlings, instead of one, in each pot?
A. to show that any difference in the results is due to the colour of light
B. to ensure that the investigation is a fair test
C. to reduce the effect of individual difference on the results
D. to study the growth of each seedling in details
□
##C##
Skill assessed Mark
Practical skills 1
|!|BCEMA0010000009|!|
 SI
In an investigation, carbon dioxide was bubbled into a jar of water. The pH of the water
was measured and recorded at 10-second intervals.
Time (s) pH of the water
0 7.6
10 7.4
20 7.0
30 6.8
40 6.4
© 2019 Aristo Educational Press Ltd. 5

HKDSE BIOLOGY: Connecting Concepts Chapter 1
Question bank Multiple-choice questions
50 5.9
© 2019 Aristo Educational Press Ltd. 6

HKDSE BIOLOGY: Connecting Concepts Chapter 1
Question bank Multiple-choice questions
Which of the following conclusions can be drawn based on the results?