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Review: IB Biology Topic 9: Plant Science Flashcards | StudBud
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Review: IB Biology Topic 9: Plant Science
Review: IB Biology Topic 9: Plant Science
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Flashcards
53 cards
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Practice quiz
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Host live
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Questions
53
Answers
1
Adhesion is the attraction of water to the cell walls?
False
True
2
Where does the Lateral Meristem develop in Dicots?
Between the epidermis and mesophyll.
Between the Xylem and Pholem
3
The male reproductive part of a flower that contains pollen is called:
Style
Filament
Anther
Stigma
4
Monocotyledons and Dicotyledons are Angiospermophytes?
True
False
5
What does the Stomata absorb?
Carbon Dioxide
Oxygen
Water
Nutrients
6
What causes the upward pull of water in the Xylem?
Translocation
differences in water potential
A Proton Gradient
Adhesion
7
What does the hormone Auxin do?
Determines cell reproduction rate.
Promotes the elongation of of cells in stems.
Open and close Stomata.
8
When do short-day plants flower?
Summer
Spring
Fall
Winter
9
What is a necessity for germination?
Soil
Oxygen
Minerals
Water
10
Phototropism is the growth of a stem toward light?
True
False
11
What do Tendrils allow the plant to do?
Absorb more nutrients
Have more expansive roots
Grow Upwards
12
What are the two groups of flowering plants?
Monocotyledons and Dicotyledons
Bulbs and stem tubers
Xylem and Phloem
13
Auxin is transported to the brighter side of the plant?
True
False
14
What is the function of gibberelins?
Starts growth of the radicle
Convert Maltose to <br>Glucose
Creates amylase
Breaks down Pfr
15
In a seed, what is the food source for the plant?
Photosynthesis
Water
Starch
Lipids
16
What is the purpose of petals in flowering plants?
allows male plants to attract the female plants
Stimulates Mitosis
Attracts pollinators
Increases water absorption
17
Xylem Vessels are dead tubular structures?
False
True
18
The process that controls flowering is called
Phototropisim
Photoperiodisim
Photocycling
Photosynthesis
19
What does Abscisic Acid do?
Opens the Stomata
Closes the Stomata
20
When do long-day plants flower?
Winter
Fall
Spring
Summer
21
A seed is a plant that contains an embryo plant and food reserves?
True
False
22
The movement of sugars in the Phloem is called Active Translocation?
True
False
23
What is the name for the seed coat?
Cuticle
Epidermis
Testa
24
What is the purpose of hairs on roots?
To increase the transpiration rate.
To increase capacity for absorption.
To increase the absorption rate.
25
What type of process is the Transpiration Pull?
Active
Passive
26
What kind of relationship do plants and fungus have?
Parasitism
Amensalism
Commensalism
Mutualistic
27
Where are Apical Meristems found?
Xylem
Leaves
Tips of stems and roots.
Xerophytes
28
How does water enter the plant in Root Cells?
Transpiration Pull
Osmosis
Active Transport
Diffusion
29
What does the Phloem transport?
Sugars and Amino Acids
Water
30
A plant pigment that is used to measure night length is called?
Melanin
Chlorophyll
Phytochrome
Auxin
31
Long day plants require:
High levels of Pr
Low Levels of Pfr
Long Nights
High Levels of Pfr
32
Leaf Veins in Monocots are parallel?
False
True
33
What is the key feature of Turgid Cells?
Their small size.
Their large size.
Their reproductive speed.
Rigid, due to high pressure.
34
What are Meristems?
Group of stem cells in the plant.
Stems only found on Dicots.
A particular stem at the base of plants.
The connecting point between the leaf and the tree.
35
Angiospermophytes are plants that do not produce seeds enclosed in plants?
True
False
36
What reproductive part receives the pollen for pollination?
Stigma
Anther
Filament
Petal
37
Name one of the variables that control the transpiration rate?
Plant Size
Cuticle Thickness
Open or Closed Stomata
Mineral Ion Cncentration
38
What are Xerophytes
Plants adapted to the desert
Plants adapted to darkness
Plants adapted to the rainforest
39
What is the key feature of Lignin?
Creates a larger concentration gradient.
Makes cells woody and hard.
Determines when the stomata open and close.
Makes cells absorb more water.
40
Where are Chloroplasts found?
Vascular Tissue
Palisade Mesophyll
Cortex
Spongy Mesophyll
41
Guard Cells minimize water loss from the Stomata?
True
False
42
How many organs are in a Dicot?
1 or 2
5 or 7
1 or 4
4 or 5
43
Leaves attached to the stem photosynthesize more or less when phototropism takes place?
Less
More
44
In short day plants, P
fr
acts as an inhibitor on flowering
True
False
45
What does the Xylem transport?
Sugars
Water
Minerals
Amino Acids
46
Do Dicots or Monocots produce more Xylem?
Dicots
Monocots
47
The transpiration pull is strong enough to go against the force of gravity?
True
False
48
Do stomata open in the day or night in Xerophytes
Night
Day
49
Length of daylight affects the trigger for flowering?
False
True
50
What do Stem Tubers and Root Tubers do?
Store Food
Store Water
Expand Roots
51
What shape is most common for leaves?
Triangular
Oval
Circular
52
What is waxy layer of the Upper Epidermis called?
Mesophyll
Vascular TIssue
Cuticle
53
Vascular Bundles in Dicots are arranged in a ring?
False
True
