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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
stem
B
root
C
epidermis
D
leaf
2) A region on a stem where a leaf is or was attached is called a
A
cuticle
B
node
C
whorl
D
vein
3) The exchange of gases in the woody areas of plants takes place through tiny openings in the bark called
A
stomata
B
nodes
C
guard cells
D
lenticels
4) In an alternate leaf arrangement,
A
three leaves are attached at a node
B
all leaves are attached at the node
C
one leaf is attached at a node
D
two leaves are 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
fibrous root systems
C
woody root systems
D
lateral root systems
6) A type of sugar that makes up the plant cell walls
A
xylem
B
cellulose
C
glucose
D
phloem
7) This is caused by the presence of water inside plant cells
A
plastid
B
Turgor Pressure
C
phloem
D
xylem
8) A chloroplast is an example of this
A
cuticle
B
plastid
C
chlorophyll
D
photosynthesis
9) This tissue transports a sugar solution
A
cellulose
B
phloem
C
turgor pressure
D
xylem
10) The outermost tissue of leaves, young roots, and young stems
A
palisade layer
B
epidermis
C
spongy layer
D
cuticle
11) Reversible, repeatable plant movements
A
phytochromes
B
tropism
C
gravitropism
D
nastic
12) Growth away from a factor
A
negative tropism
B
phototropism
C
gravitropism
D
positive 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
xylem
C
phloem
D
Both xylem and phloem
15) What structure does transpiration occur through
A
stomata
B
chloroplasts
C
roots
D
lenticels
16) A plant’s response to the length of time it is exposed to light is called
A
tropism
B
Photosynthesis
C
phytochromes
D
photoperiodism
17) A plant’s response to light is controlled by special pigments called
A
phototropism
B
phytochromes
C
chlorophyll
D
photoperiodism
18) The study of plants is called
A
Anatomy
B
biology
C
Botany
D
Physiology
19) Nastic movements are caused by changes in
A
sugar
B
light
C
Turgor Pressure
D
gravity
20) Where are stomata found?
A
on the underside of the leaf
B
on the root hairs
C
on the sides of woody stems
D
on the top of the leaf
*select an answer for all questions
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