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Multiple Choice Quiz
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The Stem: Primary & Secondary States of Growth
Multiple Choice Quiz
1
A rib (or file) meristem is most likely to develop from:
A)
tunica.
B)
ground meristem.
C)
protoderm.
D)
procambium.
E)
calyptrogen.
2
Why is the internal phloem of tobacco less extensive than the external phloem? Because:
A)
it is found in a closed vascular bundle.
B)
it is torn away by the degeneration of the pith.
C)
there is no cambium on the internal side of the xylem.
D)
it represents only the secondary phloem and not primary.
E)
it is enclosed in bast fibers.
3
A dicot with a stem structure resembling that of a monocot is:
A)
iris.
B)
tobacco.
C)
bamboo.
D)
clover.
E)
buttercup.
4
Primary and secondary thickening meristems are mostly found in:
A)
ferns.
B)
gymnosperms.
C)
dicots.
D)
monocots.
E)
uniformly found in all of the above.
5
Lateral organs of stems (leaves, branches and floral organs) are produced in what manner?
A)
Endogenous
B)
Exogenous
C)
Intercalary
D)
From pericycle
E)
From endodermis
6
What is an example of a tissue that may develop from a rib meristem?
A)
Pith
B)
Phloem
C)
Vascular cambium
D)
Epidermis
E)
Xylem
7
A leaf gap is found in the:
A)
vascular system of a leaf.
B)
apical meristem of a shoot.
C)
ground tissue of a leaf.
D)
ground tissue of a stem.
E)
vascular system of a stem.
8
Growth rings are characteristic features of:
A)
cortex.
B)
vascular cambium.
C)
xylem.
D)
phloem.
E)
pith.
9
A feature found in many grasses is:
A)
the disintegration of the pith.
B)
a bicollateral vascular system.
C)
open vascular bundles.
D)
a lack of sclerification.
E)
presence of an interfascicular cambium.
10
The primary source of stem thickening in squash is:
A)
sub-epidermal collenchyma.
B)
xylem.
C)
internal phloem.
D)
vascular cambium.
E)
perivascular fibers.
2003 McGraw-Hill Higher Education
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2003 McGraw-Hill Higher Education