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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
xylem
B
phloem
C
epidermal cells
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
stimulus
C
tropism
D
reaction
4) The growth of a plant toward or away from flight is a
A
phototropism
B
gravitropism
C
photoperiodism
D
thigmotropism
5) Which plants bloom when exposed to less than 10-12 hours of darkness?
A
short-day plants
B
long-day plants
C
roses
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
spores
B
eggs
C
mosses
D
seeds
8) Which is an example of a seedless plant?
A
moss
B
gymnosperms
C
corn
D
angiosperms
9) The female reproductive structure of a seed plant where the haploid egg develops is called the
A
ovule
B
stamen
C
petal
D
sepal
10) The most common gymnosperms are
A
roses
B
ferns
C
mosses
D
conifers
11) Which is not part of the pistil?
A
filament
B
ovary
C
style
D
stigma
12) The part of the stamen that produces pollen grains is the
A
stigma
B
anther
C
ovary
D
filament
13) The response of plants to touch is
A
gravitropism
B
thigmotropism
C
photoperiodism
D
phototropism
14) A series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP is called
A
excretion
B
photosynthesis
C
cellular respiration
D
metabolism
15) Small openings in the bottom of a leaf are called
A
pores
B
style
C
stigma
D
stomata
16) The tissue through which a plant's food flows to all parts of a plant.
A
chlorophyll
B
mesophyll
C
xylem
D
phloem
17) Growth away from a stimulus is called
A
away tropism
B
neutral tropism
C
positive tropism
D
negative tropism
18) Plants that aren't affected by the number of hours of darkness are called
A
short-day plants
B
day-neutral plants
C
long-day plants
D
photo-neutral plants
19) Which plant hormone helps stimulate the ripening of fruit?
A
gibberellins
B
ethylene
C
cytokinins
D
auxins
20) Occurs when the life cycle of an organism alternates between diploid and haploid generations
A
asexual reproduction
B
sexual reproduction
C
alternation of generations
D
diploid-haploid alternation
*select an answer for all questions
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