student view
|
instructor view
|
information center view
|
Home
Plant Anatomy
student view
How to Write a Paper
Botany Issues Map
Scientific Names
Biological Controls
Useful Plants
Houseplants
Metric Conversions
Plant Tissues
Choose an Unit
Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9
Unit 10
Unit 11
Unit 12
Unit 13
Unit 14
Unit 15
Unit 16
Unit 17
Unit 18
Unit 19
Unit 20
Unit 21
Unit 22
Unit 23
Unit 24
Multiple Choice Quiz
Feedback
Help Center
The Leaf: Ecological Anatomy
Multiple Choice Quiz
1
Shade leaves are generally:
A)
thicker leaf blades.
B)
have multiple layers of palisade mesophyll.
C)
have a higher proportion of spongy mesophyll over palisade mesophyll.
D)
have reduced intercellular spaces in spongy mesophyll.
E)
characterized by much smaller epidermal cells than sun leaves.
2
An
epistomatous
leaf has:
A)
stomates on both leaf surfaces.
B)
has no stomates.
C)
has stomates primarily on the adaxial surface.
D)
has stomates primarily on the abaxial surface.
E)
has permanently open stomates.
3
Stomatal crypts are usually found:
A)
in xeromorphic plants.
B)
beneath the stomatal openings within the mesophyll.
C)
as a part of the mestome sheath.
D)
in mesomorphic plants.
E)
in hydromorphic plants.
4
What is primarily found in
transfusion tissue
?
A)
Sclerenchyma
B)
Vessel members
C)
Tracheids
D)
Collenchyma
E)
Phloem
5
The water milfoil plant (hydromorphic) lacks:
A)
cuticle.
B)
sclerenchyma.
C)
stomata.
D)
air spaces in mesophyll.
E)
all of the above.
6
Water storage in begonia is found in:
A)
parenchyma cells around the midvein.
B)
epidermis.
C)
mesophyll.
D)
vascular system.
E)
more than one of the above.
7
Which does
not
contribute to the xeromorphic nature of
Nerium
leaves?
A)
Stomatal crypts
B)
Cuticle
C)
Epidermis
D)
Trichomes
E)
Spongy mesophyll
8
The hypodermis of
Pinus
is sclerenchymatous.
A)
True
B)
False
9
Sunken guard cells of pine:
A)
are overarched by subsidiary cells.
B)
are dead at maturity.
C)
are non-lignified.
D)
have no cuticle.
E)
are non-functional.
10
Air cavities in New Zealand hemp are caused by:
A)
lysigeny.
B)
schizogeny.
C)
rexogeny.
D)
insects.
E)
none of the above.
2003 McGraw-Hill Higher Education
Any use is subject to the
Terms of Use
and
Privacy Policy
.
McGraw-Hill Higher Education
is one of the many fine businesses of
The McGraw-Hill Companies
.
2003 McGraw-Hill Higher Education