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