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Topic 9- Plant Biology Review Flashcards | StudBud
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Topic 9- Plant Biology Review
Topic 9- Plant Biology Review
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IB Biology Plant Biology Review Quiz
Flashcards
69 cards
F
Practice quiz
P
Host live
L
Questions
69
Answers
1
A Xerophyte is
a plant adapted to living in a dry arid habitat.
a plant adapted to living in a cold habitat.
a plant adapted to living in a hot habitat.
a plant adapted to living in a wet habitat.
2
Which number represents the waxy cuticle?
12
5
3
6
3
The following is a sample of
dicot root
monocot stem
dicot stem
momocot root
4
Identify xylem and phloem
B xylem C phloem
B xylem D phloem
B phloem D xylem
B phloem C xylem
5
Where are apical meristems found?
tips of the roots and stems
middle of the stem
the leaves
6
Adaptations in xerophytes help to...
increase transpiration
decrease transpiration
7
What is the main trigger that stimulates a plant to flower?
length of day
moisture
temperature
length of night
8
The movement of sugar down the phloem
transplantation
transpiration
translocation
9
What is transpiration increased by?
wind
low temperatures
high temperatures
humidity
10
Based on the photo, which is the ovary?
8
3
5
4
11
Where is water present?
phloem
xylem
both
12
What is micropropagation of form of?
nuclear transfer
asexual reproduction
sexual reproduction
13
What is an adaptation of xerophytes?
a lot of stomata
hairs on the leaves
large air spaces
short roots
14
Abscisic acid causes guard cells to...
open
close
15
Which hormone triggers the synthesis of amylase in seed germination?
cytokinins
gibberillins
abscisic acid
auxin
16
Which of these is
not
an adaptation of a xerophyte?
Thin waxy cuticle
Rolled leaves
Sunken stomata (in pits)
Hairs/trichomes
17
What insect can be used to measure rate of sugar movement in the phloem?
spiders
lady bugs
aphids
mosquitos
18
Which hormone causes a plant to bend toward the light?
gibberellin
cytokinin
auxin
ethylene
19
When light is present, PIN3 proteins move auxin to...
the illuminated side of the stem
the shaded part of the stem
20
Select all the functions of the phloem
brings water up a plant to the leaves
taking wastes into the soil
replace water lost during transpiration and photosynthesis.
Distributing sugar and nutrients throughout the plant
21
Which of the following statements about the ovary is NOT true?
fertilization occurs in the ovary
the ovary contains at least one ovules
the stigma is connected to the ovary
pollen is produced in the ovary
22
What is the apoplastic route for water from the soil to the endodermis of roots?
cell walls of root hairs - cytoplasm or cortex - endodermis
cell walls of root hairs - CW of epidermis - endodermis
Cell walls of epidermis - cell walls of cortex - endodermis
cytoplasm of root hair - cytoplasm of cortex - endodermis
23
What structures are in both animal and plant?
cell wall
chloroplast and cell wall
mitochondria
24
In the experiment designed to measure transpiration rate , radioactive CO
2
(
14
C) was converted to...
nitrates
glucose
pyruvate
ATP
25
What is NOT a function of the roots?
storing of food
absorption of water
anchoring of the plant body to the ground
photosynthesize
26
What is the following a picture of?
Dicot root
Monocot stem
Monocot root
Dicot stem
27
Which vessel conducts water and minerals?
Both
Xylem
Phloem
28
What does porous pots model
movement of water due to transpiration
movement of water into the roots
movement of sugar in phloem
water adhesion in xylem
29
What is the flow of water called in a plant
cohesive stream
translocation stream
transpiration stream
mass flow
30
Which number represents the spongy mesophyll?
4
10
2
3
31
What is required in order for transpiration to occur
cohesion
low light intensity
cool temperatures
humidity
32
What action does auxin in cells cause?
causes DNA synthesis
causes elongation of cytoplasm
stimulates mitosis
pumps H+ ions into the cell walls breaking fibre bonds
33
Which meristems strengthens the stem?
apical meristems
lateral meristems
34
What is the first stage in germination?
water intake
digestion of starch
production of gibberillins
respiration
35
What is structure 2 in the diagram?
embryo shoot
cotyledon
embryo root
testa
36
Identify the xylem and the phloem
D xylem E phloem
D xylem E phloem
D phloem E xylem
D phloem F xylem
37
P
fr
____ flowering in long day plants and ____ flowering in short day plants.
inhibits, promotes
promotes, promotes
promotes, inhibits
inhibits, inhibits
38
What activates the K+ pump in guard cells?
auxin
giberillin
absicic acid
cytokinins
39
The site of production of amino acids and/or sugars
source
sink
40
What closes the stomata?
Humidity
Wind
Rain
41
The loss of water from a flowering plant is called___ and takes place in the ___
transpiration, roots
transpiration, leaves
transpiration, xylem
evaporation, leaves
42
Why do plants have a waxy layer?
cause water loss
prevent water loss
help for absorption of heat
43
The following is a sample of...
monocot stem
dicot stem
dicot root
monocot root
44
What is the female reproductive part of the flower called?
anther
stamen
style
pistil
45
What is NOT true about leaves?
releases carbon dioxide
perform photosynthesis
perform gas exchange
high amount of surface area
46
What produces ATP for sieve tube cells?
buddy cells
guard cells
endodermal cells
companion cells
47
Function of amylase...
Digest starch into maltose
Digest maltose into glucose
Digest starch into glucose
Create starch from glucose
48
CAM plants are examples of ...
xerophytes
hydrophyte
bryophyte
halophytes
49
Which structure will pollen stick to?
8
3
4
2
50
Which contains food such as starch for seed growth
Cotyledon
Radicle
Plumule
Micropyle
51
Where does the tanslocation of sugars occur in the plant stem?
D
C
B
A
52
What does blotting paper model
movement of water due to transpiration
movement of water into the roots
movement of sugars in the phloem
adhesion of water in xylem
53
What is
not correct
regarding appropriate conditions for germination
warmth to increase metabolism
water needed for hydration and release of gibberellins
oxygen for aerobic respiration
low pH for enzymes to function
54
What are the pigments called that control flowering in plants
pigmochromes
phytochrome
photochrome
cytochromes
55
When a plant grows towards a stimulus
positive tropism
negative tropism
56
What is the function of phototropins
produce auixn
bind to cell receptors to produce PIN3 proteins
transport auxin through the cell membrane
57
2 is called the
stigma
filament
anther
style
58
What are the meristems found at the tips of the stems?
lateral meristems
apical meristems
axillary buds
none of the above
59
Which does glass capillary tubing model?
flow of sugar in phloem
movement of water in roots
flow of water due to transpiration
adhesion between water and xylem
60
Which structure is the cotyledon?
2
4
1
3
61
Insects help with what process
seed dispersal
pollination
fertilization
germination
62
What direction to K
+
ions move when the stomata are closing?
out of guard cell
into guard cell
63
What converts P
r
to P
fr
?
blue light
orange light
far red light
red light
64
What is the male reproductive part of the flower called?
pistil
anther
style
stamen
65
Where does water enter the plant?
leaves
root
petals
stem
66
Site where sugars/amino acids are stored
source
sink
67
The following is a sample of...
monocot stem
dicot root
dicot stem
Monocot root
68
In which direction does the phloem transport materials?
Up the plant only during the summer
Up the plant
Down the plant
Up and down the plant all the time
69
long day plants...
need night to be less than critical length
need night to exceed the critical length
