Glencoe Biology

Chapter 22: Plant Structure and Function

Chapter Test Practice-English

1
Which of these is not a primary function of the cell shown here?

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A)gas exchange
B)provides textiles
C)support
D)photosynthesis
2
A ____ connects the vascular tissue of stems to leaves.
A)palisade mesophyll
B)petiole
C)cuticle
D)stoma
3
A ____ is an underground stem with buds for growing new plants.
A)tuber
B)bulb
C)runner
D)pericycle
4
A plant stem growing towards a window exhibits what kind of response(s)?
A)positive gravitropism
B)positive gravitropism and phototropism
C)negative gravitropism and phototropism
D)nastic response
5
Cells that change shape to open and close a stoma are called ____.
A)tracheids
B)trichomes
C)guard cells
D)xylem
6
The ____ is the layer of cells located directly next to the endodermis, toward the center of the root.
A)base layer
B)petiole
C)root cap
D)pericycle
7
What happens when hydrogen ions flow into this cell wall?

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A)hydrogen destroys cell
B)cell shortens
C)water prevented from entering
D)cell wall weakens
8
What is a main difference between apical and lateral meristems?
A)apical results in photosynthesis; lateral results in gas exchange
B)laterals are never seen in eudicots; apicals are typically in eudicots
C)apical increases root diameter; lateral increases plant height
D)apical results in primary growth; lateral results in secondary growth
9
What is a tropism?
A)growth response to an external stimulus
B)growth response to a hormone
C)structure that produces gas exchange
D)structure that inhibits photosynthesis
10
What is the function of the root cap?
A)helps to anchor root to rest of plant
B)forms substance that stifles root growth
C)protects and lubricates growing roots
D)helps break roots away from plant in harsh climates
11
What is the name and function of the jigsaw-shaped structure on leaves?
A)epidermal cell, secretes a substance that forms cuticle
B)guard cell, aids photosynthesis
C)trichome, cools plants by reflecting light
D)companion cell, dissolves substances
12
What type of growth response causes ivy to grow between the boards of a fence
A)phototropism
B)gravitropism
C)thigmotropism
D)nastic response
13
Which of the following is an example of a nastic response?
A)grape vine wrapping around a flower pot
B)sunflower bending toward the sun
C)house plant growing toward a window
D)upward growth of a new stem
14
Which structure in this leaf contains a large number of chloroplasts?

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A)stoma
B)guard cell
C)vascular bundle
D)palisade mesophyll
15
Why are sclerenchyma cells useful for textile materials?
A)Their guard cells form durable tissues.
B)Rigid cell walls and fibers form durable tissues.
C)They perform most of the major cell functions.
D)Vascular cambium provides elastic fibers.
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