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AP Bio Plant Exam Flashcards | StudBud
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AP Bio Plant Exam
AP Bio Plant Exam
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A review on #plant structure, #function, #transportation of nutrients, # plant reproduction
Flashcards
35 cards
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Practice quiz
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Host live
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Questions
35
Answers
1
What is a sign of decreased transpiration rate?
Elongation of plant cells
Phototrophism
Elongation of the stem
Browning of the leaves
2
What is the most common reason why leaves have a low water potenial?
evaporation from the wind
water cannot reach the leaves from the soil
evaporation from the sun
high concentration of solutes
3
What is the function of abscisic acid?
Development of seeds
Cell elongation
Slows plant growth
Stem elongation
4
What could be one reason that roots have low water potential?
Cannot absorb water
Water has evaporated
Contain a high concentration of solutes
The soil is dry
5
If a solution has a higher concentration of solutes outside of the cell it is...
Hypotonic
Isotonic
All of the above
Hypertonic
6
Initiation of a hypersensitive response is a defense against what?
Herbivory
Cold temperatures
Harsh environment
Toxins
7
In the statement "sugars are transported from the source to the sink", What is the sink?
Stays in the leaves
Fruit or underground vegetable
The soil
Petals and pollen
8
What is an advantage of a-sexual reproduction?
Increases diversity
Better survival rate
Can easily adapt to environmental changes
No need for a pollinator
9
In the statement "sugars are transported from the source to the sink" how are they transported?
Xylem through gravity
Phloem through pressure flow
Xylem through concentration
Phloem through gravity
10
What is the function of auxin?
Fruit ripening
Petal growth
Assists reproduction
Help plants grow
11
If there is a higher concentration of solute inside of the cell then it is...
Hypotonic
All of the above
Hypertonic
Isotonic
12
What direction does water always move?
Following gravity
From high to low water potential
From low to high water potential
Against water potential gradient
13
A seed consists of...
An embryo
A seed coat
A nutrient supply
All of the above
14
What is the function of ethylene?
Ripens fruit
Opens flowers
All of the above
Sheds leaves
15
The ability for the plant to love above and underground is known as...
Occupying a divided habitat
Photosynthesis and cellular respiration
Dual survival
Light and dark reactions
16
If a solution has the same osmotic pressure across a membrane it is...
Hypertonic
Isotonic
All of the above
Hypotonic
17
What is a disadvantage of a-sexual reproduction?
Reduces ability to adapt to environmental changes
Requires a mate
Slow reproduction rate
Increases biodiversity
18
What is an advantage of sexual reproduction?
Only requires one organism
Lower ability for adaptation
Increase diversity
Is a clone of the parent
19
A circadian rhythm...
Depends on the plant's exposure to the sun
All of the above
Is a plant's internal biological clock
Provides signal for flowering
20
In the statement "sugars are transported from the source to the sink" What is the source?
The stems where cellular respiration occurs
Petals where photosynthesis occurs
The roots where minerals are absorbed
The leaves where photosynthesis occurs
21
What condition of most favorable for a plant cell?
hypertonic, decreases water potenial
hypotonic, rigid cell walls
none of the above
Isotonic, remains flexible
22
Red light disruption during a critical length dark period will...
Have no effect on the plant
Will always induce flowering
Induce flowering in a short day plant
Induce flowering in a long day plant
23
Which plant structure shows determinate growth?
Leaves
Roots
None of the above
Stem
24
In what way is a root nodule beneficial to the plant?
It stores sugar for the plant
It absorbs more water for the plant
It contains nitrogen-fixing bacteria
It performs Cellular Respiration
25
What are structure of root hairs?
Fibrous strands that grow from the outer leaf
Long, stringy extensions of the root
Similar to that of a spider web
Fibrous strands that grow from the outer layer of cells
26
A plant growing towards light is the result of what?
Gravitrophism
Photoperiodism
Photomorphogenesis
Phototropism
27
Along with fibers, Xylem contains which other cell type?
Sclerenchyma
Parenchyma
Collenchyma
Macarenchyma
28
What is a disadvantages of plant sexual reproduction?
Requires a mate
Inhibits diversity
Yields fruit
Offspring are clones
29
What is the correct equation for water potential?
Ψ=Ψs+Ψp
Ψp=Ψs+Ψ
None of the above
Ψs=Ψp+Ψ
30
What is the primary purpose of a fruit?
Attract pollinators
Increase biodiversity
Feed other organisms
Protects and helps with dispersal of seeds
31
What is the function of cytokinin?
Formation of shoots
Formation of buds
Development of seeds
All of the above
32
What is the function of a root hair?
Increase surface area for maximum absorption of minerals
Carries nutrients
Anchors the plant in the soil
Pumps blood througout the plant
33
Which plant tissue's cell is best describes as the long fibrous elements that transport water?
Xylem
Phloem
Epidermis
Cuticle
34
Which condition is ideal for an animal cell?
Hypertonic, shrinks cell
None of the above
Hypotonic, remains rigid
Isotonic, remains flexible
35
What is the function of gibberellin?
Stem growth
Germination
Flowering
All of the above
