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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
mesophyll cells
B
stomata
C
epidermal cells
D
chlorophyll
3) Any change in an organism's environment that causes a response is a
A
reaction
B
tropism
C
stimulus
D
response
4) The growth of a plant toward or away from flight is a
A
photoperiodism
B
gravitropism
C
thigmotropism
D
phototropism
5) Which plants bloom when exposed to less than 10-12 hours of darkness?
A
day-neutral plants
B
short-day plants
C
roses
D
long-day plants
6) T/F: Some plants reproduce asexually.
A
false
B
true
7) The daughter cells produced by haploid structures in plants are called
A
mosses
B
seeds
C
eggs
D
spores
8) Which is an example of a seedless plant?
A
gymnosperms
B
moss
C
corn
D
angiosperms
9) The female reproductive structure of a seed plant where the haploid egg develops is called the
A
sepal
B
ovule
C
stamen
D
petal
10) The most common gymnosperms are
A
mosses
B
ferns
C
conifers
D
roses
11) Which is not part of the pistil?
A
stigma
B
filament
C
ovary
D
style
12) The part of the stamen that produces pollen grains is the
A
filament
B
anther
C
ovary
D
stigma
13) The response of plants to touch is
A
phototropism
B
photoperiodism
C
thigmotropism
D
gravitropism
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
metabolism
C
excretion
D
photosynthesis
15) Small openings in the bottom of a leaf are called
A
style
B
stomata
C
stigma
D
pores
16) The tissue through which a plant's food flows to all parts of a plant.
A
xylem
B
chlorophyll
C
mesophyll
D
phloem
17) Growth away from a stimulus is called
A
positive tropism
B
away tropism
C
negative tropism
D
neutral 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
photo-neutral plants
D
long-day 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
sexual reproduction
B
asexual reproduction
C
diploid-haploid alternation
D
alternation of generations
*select an answer for all questions
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