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7th Grade Chapter 10
Test Description: Structure and Function of Plants
Instructions: Answer all questions to get your test result.
1) Which does not belong with the other three?
A
leaf
B
root
C
stem
D
epidermis
2) A region on a stem where a leaf is or was attached is called a
A
vein
B
cuticle
C
whorl
D
node
3) The exchange of gases in the woody areas of plants takes place through tiny openings in the bark called
A
nodes
B
lenticels
C
guard cells
D
stomata
4) In an alternate leaf arrangement,
A
all leaves are attached at the node
B
three leaves are attached at a node
C
two leaves are attached at a node
D
one leaf is attached at a node
5) The root system in which there is one main root that goes down deep into the ground are
A
taproot systems
B
lateral root systems
C
woody root systems
D
fibrous root systems
6) A type of sugar that makes up the plant cell walls
A
cellulose
B
xylem
C
glucose
D
phloem
7) This is caused by the presence of water inside plant cells
A
xylem
B
phloem
C
plastid
D
Turgor Pressure
8) A chloroplast is an example of this
A
chlorophyll
B
cuticle
C
photosynthesis
D
plastid
9) This tissue transports a sugar solution
A
turgor pressure
B
phloem
C
cellulose
D
xylem
10) The outermost tissue of leaves, young roots, and young stems
A
spongy layer
B
epidermis
C
palisade layer
D
cuticle
11) Reversible, repeatable plant movements
A
nastic
B
tropism
C
gravitropism
D
phytochromes
12) Growth away from a factor
A
phototropism
B
gravitropism
C
positive tropism
D
negative tropism
13) Plants that bloom when nights are long
A
long-day plants
B
short-day plants
C
Day-neutral plants
14) What tissue(s) are inside a vascular bundle?
A
neither xylem or phloem
B
Both xylem and phloem
C
phloem
D
xylem
15) What structure does transpiration occur through
A
lenticels
B
stomata
C
roots
D
chloroplasts
16) A plant’s response to the length of time it is exposed to light is called
A
photoperiodism
B
phytochromes
C
tropism
D
Photosynthesis
17) A plant’s response to light is controlled by special pigments called
A
chlorophyll
B
phytochromes
C
photoperiodism
D
phototropism
18) The study of plants is called
A
Anatomy
B
biology
C
Physiology
D
Botany
19) Nastic movements are caused by changes in
A
Turgor Pressure
B
gravity
C
light
D
sugar
20) Where are stomata found?
A
on the top of the leaf
B
on the sides of woody stems
C
on the underside of the leaf
D
on the root hairs
*select an answer for all questions
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