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IB Biology Plant Science 9.3 Growth in plants Flashcards | StudBud
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IB Biology Plant Science 9.3 Growth in plants
IB Biology Plant Science 9.3 Growth in plants
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1
Meristems at the ends or tips of shoots and roots are ...
apical
lateral
differentiated
intermediate
2
What does auxin cause to move out of the cell?
electrons
carbonate ions
hydroxide ions
hydrogen ions
3
What is the ability of plant tissue to differentiate into any functional plant part?
totalitarianism
totipotency
stem cells
meristem
4
What is shown in the picture?
cactus
plant shoot
plant root
leaf cross section
5
Which proteins promote movement of auxin out of the cell?
TPE
ECP
PIN
PIE
6
What does a build up of hydrogen ions cause?
no change in pH
decrease in pH
increase in pH
neutral pH
7
A plant root is ...
stimulated only by water
negatively phototropic
negatively geotropic
positively phototropic
8
What do these hydrogen ions acidify and cause to untangle?
glycogen fibres
chitin fibres
cellulose fibres
starch fibres
9
Which of the following is true about auxin?
Auxin moves toward light
Auxin moves toward shade
Auxin in shoots inhibits growth
Auxin moves away from gravity
10
What is an in vitro procedure that produces large numbers of identical plants?
macropropagation
micropropagation
microscopy
microsurgery
11
So ultimately, auxin causes ...
cell division
cell elongation
cell death
cell shrinkage
12
Which structure is the shoot apical meristem?
A
C
B
D
13
What is shown in this picture?
plant shoot
leaf cross section
plant root
phloem tube
14
Areas of undifferentiated cells that are actively dividing are called ...
epidermal
vascular
meristems
determinate
15
Which part is the meristem?
A
D
B
C
