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