
Interactive Video: Plant System Interactions - Plant Tropisms
Authored by Luis Silva
Biology
9th Grade
Used 10+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the movements of plants towards or away from stimuli known as?
Phototropism
Tropisms
Geotropism
Hydrotropism
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of tropism is the response to light?
Phototropism
None of the above
Hydrotropism
Geotropism
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which tropism describes growth in response to gravity?
Phototropism
Geotropism
Hydrotropism
None of the above
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What hormone is responsible for controlling plant growth responses?
Adrenaline
Auxin
Estrogen
Insulin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does auxin affect plant growth?
It has no effect on growth direction.
It accumulates more on the shaded side, promoting faster growth there.
It promotes equal growth throughout the plant.
It decreases growth on the shaded side of the stem.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a positive growth response in plants?
Growth away from light
Growth towards a stimulus
Growth against gravity
None of the above
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of auxins in agriculture?
To stimulate root growth on plant cuttings
To reduce the size of fruits
To inhibit the growth of weeds
To decrease fruit yields
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