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IB Biology Plant Science 9.1 Transport in the xylem of plants Flashcards | StudBud
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IB Biology Plant Science 9.1 Transport in the xylem of plants
IB Biology Plant Science 9.1 Transport in the xylem of plants
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1
What is another function of xylem tissue?
supporting the plant
doing photosynthesis
transporting the products of photosynthesis
storing the products of photosynthesis
2
Which pair of lines label similar tissues in these cross-sections through a stem and a root.
Q and U
S and W
R and V
P and T
3
When will the transpiration rate of a well-watered plant be highest?
on a hot, wet, windy day
on a hot, dry, windy day
on a cool, wet, windy day
on a cool, dry, windy day
4
What cells can control this water loss in leaves?
spongy mesophyll cells
guard cells
palisade mesophyll cells
upper epidermal cells
5
What is an inevitable consequence of gas exchange in the leaf?
gain of water vapour
loss of phloem
loss of water vapour
loss of xylem
6
What factor will increase the rate of transpiration?
increased humidity
increased light intensity
decreased temperature
decreased wind
7
What factor will decrease the rate of transpiration?
high temperature
high humidity
high wind
high light intensity
8
What do these guard cells surround?
stigmata
tomato
stomata
potato
9
What woody deposit allows xylem tissue to support the body of a plant?
starch
lignin
cellulose
chitin
10
What vascular tissue transports water in plants?
root
shoot
xylem
phloem
11
What are plants that adapted to saline conditions called?
halophytes
bryophytes
hydrophytes
filicinophytes
12
What is the name of this water loss in plants?
translocation
inspiration
perspiration
transpiration
13
The diagram shows a cross-section of a plant stem. Which region carries water up the plant?
B
D
A
C
14
Which graph shows that the rate of transpiration
decreases
as relative humidity increases?
D
A
B
C
15
Which is
not
an adaptation of xerophytes?
stomata open in the day
stomata open in the night
leaves consist of spines
stems contain water storage tissue
16
What equipment will measure the rate of transpiration in leafy plants?
photometer
potometer
colorimeter
thermometer
17
What are plants which are adapted for dry, arid conditions?
angiospermophytes
coniferophytes
bryophytes
xerophytes
18
Where does the exchange of oxygen and carbon dioxide occur in plants?
in the stem
in the root
in the shoot
in the leaves
