Plant Adaptations- Tropisms
This quiz will test your knowledge and understanding of plant responses and adaptations. Specifically, it will allow you to demonstrate your understanding of phototropism, gravitropism, hydrotropism and thigmotropism.
Questions and Answers
- 1.
A tropism in which a plant "bends" towards the sun throughout the day.
- A.
Gravitropism
- B.
Phototropism
- C.
Hydrotropism
- D.
PhotoPeriodism
Correct Answer
B. PhototropismExplanation
Phototropism "PHOTO" meaning light as in sunlight.Rate this question:
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- 2.
A tropism where a plant responds to the stimulus of water by growing or bending towards it.
- A.
Hydrotropism
- B.
Photohydroism
- C.
Gravitropism
- D.
Phototropism
Correct Answer
A. HydrotropismExplanation
Hydrotropism - Root word is HYDRO meaning water.Rate this question:
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- 3.
Tropism in which a plant responds to the stimulus of gravity.
- A.
Phototropism
- B.
Hydrotropism
- C.
Photoperiodism
- D.
Gravitropism
Correct Answer
D. GravitropismExplanation
Root word for Gravitropism is "GRAVIT" for gravity. Plants roots grow downwards with Earth's gravity.Rate this question:
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- 4.
When a plant responds to touch such as a grape vine wrapping around a branch.
- A.
Hydrotropism
- B.
Thigmotropism
- C.
Photoperiodism
- D.
Gravitropism
Correct Answer
B. ThigmotropismExplanation
Thigmotropism is the correct answer because it refers to the plant's response to touch or physical contact. In this case, when a grape vine wraps around a branch, it is exhibiting thigmotropic behavior. Thigmotropism allows the plant to sense and respond to mechanical stimuli, helping it to grow and support itself by clinging to other structures.Rate this question:
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- 5.
What is the name of the chemical that causes uneven growth in plants making them bend?
Correct Answer
auxin
auxins uxins
Auxin
Axin
AuxinExplanation
Dutch scientist Fritz Went discovered auxins.Rate this question:
- 6.
An action that causes a response.
Correct Answer
Stimulus
stimulus
stimuliExplanation
A stimulus is an action that causes another organism to respond.Rate this question:
- 7.
A reaction from an organism as a result of a stimulus.
Correct Answer
Response
responses
Responses
responseExplanation
An example is the camera flash is the stimulus and a person blinking their eyes is a response.Rate this question:
- 8.
This is the changes an organism makes to survive in its environment.
Correct Answer
Adaptation
adaptations
AdaptationsExplanation
Adaptation refers to the changes that an organism undergoes in order to survive in its environment. These changes can be physical, physiological, or behavioral, and they enable the organism to better cope with the challenges and demands of its surroundings. Adaptations can occur over generations through the process of natural selection, where individuals with beneficial traits are more likely to survive and reproduce. By adapting to their environment, organisms increase their chances of survival and reproductive success, ultimately ensuring the continuation of their species.Rate this question:
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 22, 2023Quiz Edited by
ProProfs Editorial Team -
Dec 08, 2009Quiz Created by
Mrsmdaley
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