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Ch 8, 7th Grade
Test Description: Plant Processes
Instructions: Answer all questions to get your test result.
1) Where water moves from roots and travels to all parts of a plant.
A
epidermal cells
B
phloem
C
xylem
D
stomata
2) Flat cells on the tops and bottoms of leaves that provide a waxy covering called the cuticle are called
A
chlorophyll
B
stomata
C
mesophyll cells
D
epidermal cells
3) Any change in an organism's environment that causes a response is a
A
response
B
reaction
C
stimulus
D
tropism
4) The growth of a plant toward or away from flight is a
A
phototropism
B
thigmotropism
C
photoperiodism
D
gravitropism
5) Which plants bloom when exposed to less than 10-12 hours of darkness?
A
roses
B
long-day plants
C
short-day plants
D
day-neutral plants
6) T/F: Some plants reproduce asexually.
A
true
B
false
7) The daughter cells produced by haploid structures in plants are called
A
seeds
B
spores
C
mosses
D
eggs
8) Which is an example of a seedless plant?
A
corn
B
moss
C
gymnosperms
D
angiosperms
9) The female reproductive structure of a seed plant where the haploid egg develops is called the
A
stamen
B
ovule
C
sepal
D
petal
10) The most common gymnosperms are
A
ferns
B
roses
C
mosses
D
conifers
11) Which is not part of the pistil?
A
filament
B
stigma
C
style
D
ovary
12) The part of the stamen that produces pollen grains is the
A
filament
B
stigma
C
ovary
D
anther
13) The response of plants to touch is
A
phototropism
B
gravitropism
C
thigmotropism
D
photoperiodism
14) A series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP is called
A
cellular respiration
B
photosynthesis
C
metabolism
D
excretion
15) Small openings in the bottom of a leaf are called
A
style
B
pores
C
stigma
D
stomata
16) The tissue through which a plant's food flows to all parts of a plant.
A
chlorophyll
B
xylem
C
mesophyll
D
phloem
17) Growth away from a stimulus is called
A
positive tropism
B
neutral tropism
C
negative tropism
D
away tropism
18) Plants that aren't affected by the number of hours of darkness are called
A
long-day plants
B
short-day plants
C
photo-neutral plants
D
day-neutral plants
19) Which plant hormone helps stimulate the ripening of fruit?
A
ethylene
B
gibberellins
C
auxins
D
cytokinins
20) Occurs when the life cycle of an organism alternates between diploid and haploid generations
A
diploid-haploid alternation
B
sexual reproduction
C
asexual reproduction
D
alternation of generations
*select an answer for all questions
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