
Turgor Pressure Tropisms and Homeostasis
Presentation
•
Science
•
7th Grade
•
Medium
+3
Standards-aligned
Renee Crawford
Used 37+ times
FREE Resource
20 Slides • 17 Questions
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Turgor Pressure Tropisms and Homeostasis
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Multiple Choice
What tissue in both the root and shoot systems of plants conducts water and minerals throughout the plant____
phloem
leaves
xylem
mesophyll
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Multiple Choice
If a plant grows away from a stimulus the tropism is called____
negative
nuetral
positive
linear
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Multiple Choice
When a plant grows in the shade its stems tend to bend away from the shade because of the hormone auxin. This gives the plant a better chance of absorbing the sun's energy. The response by a plant growing this way is called____
geotropism
thigmotropism
phototropism
hydrotropism
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Multiple Choice
Touch-me-nots are plants whose leaves rapidly droop when touched. This tropism is called____
thigmotropism
geotropism
hydrotropism
phototropism
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Multiple Choice
What organelle is responsible for photosynthesis____
mitochondria
chloroplast
endoplasmic reticulum
cytoplasm
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Multiple Choice
Response may be defined as____
a stimulus
reaction time
any change an organism makes because of changes in its environment
molecular accumulation
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Multiple Choice
The mesophyll is a specialized group of cells specialized to carry out photosynthesis for the plant. The mesophyll could best be classified as____
an organ
tissue
an organ system
an organism
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Multiple Choice
What part of the plant is responsible for absorbing water from its environment____
stems
roots
shoots
leaves
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Multiple Choice
If a plant grows toward a stimulus, the tropism is____
negative
nuetral
benign
positive
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Multiple Choice
Water is stored in this organelle____
chloroplast
vacuole
mitochondria
ribosome
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Multiple Choice
Thigmotropism is a plant's response to____
sun
gravity
water
touch
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Multiple Choice
Plants are positively hydrotropic. This means their ____will naturally move towards ____.
roots, sun
stem, gravity
roots, water
stem, water
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Multiple Choice
When a plant has low turgor pressure it is said to be hypertonic. A plant that is hypertonic has____
moved toward the sun
died
lost all its flowers
wilted
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Multiple Choice
Plants respond to internal and external stimuli. Auxin is a plant hormone that____
makes roots grow longer
causes a plant's stem to bend toward the sun
increases seed production
allows transpiration
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Multiple Choice
Two examples of positive thigmotroprism are____
roots moving deep into the soil and shoots moving upward
stems bending towards the sun and the roots away from water
a vine wrapping around a post, venus flytrap closing on an insect
flowers falling from their stems, and roots moving toward minerals
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Multiple Choice
Sugars created during the process of photosynthesis are are distributed through the plant inside of the following type of tissue____
xylem
phloem
mesophyll
epidermis
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Multiple Choice
Stomata are tiny pores in plant leaves. These are critical to a plant's ability to perform photosynthesis and maintain homeostasis because they____
transport water to the roots
provide the plant with nitrogen
distribute sugar in the leaves
allow gases to enter and leave
Turgor Pressure Tropisms and Homeostasis
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