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Roots, Stems, And Leaves
Test Description: BIO 2
Instructions: Answer all questions to get your test result.
1) What prevents the passage of water and mineral ions between the adjacent cell walls of the endoderm in roots?
A
Casparian strip
B
cortex
C
pericycle
D
Vegas strip
2) What type of root stores food?
A
root beet
B
prop root
C
taproot
D
fibrous root
3) What root specialization is associated with nitrogen fixing bacteria?
A
root nodules
B
mycorrhizae
C
adventitious roots
D
haustoria
4) Primary growth of a stem results in an increase in
A
the number of buds on a stem.
B
height.
C
width (girth).
D
width and height.
5) The vascular bundles of woody stems are
A
scattered throughout the stem.
B
in two distinct rings.
C
nonexistent (no distinct vascular bundles).
D
in a distinct ring.
6) The wood of a woody stem is composed of
A
cork.
B
phloem.
C
cambium.
D
xylem.
7) Bark consists of
A
cork, cork cambium, and xylem.
B
cork cambium, phloem, and xylem.
C
cork, phloem, and xylem.
D
cork, cork cambium, and phloem.
8) The structures that function in gas exchange in a woody stem are
A
lenticels.
B
meristems.
C
nodes.
D
internodes.
9) The mesophyll is involved in
A
water transport.
B
leaf protection.
C
photosynthesis.
D
the control of water loss to prevent dehydration.
10) The cells that control the opening and closing of the stomata are the
A
trichomes.
B
pallisade mesophyll.
C
guard cells.
D
collenchyma cells.
*select an answer for all questions
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