Plant Adaptations- Tropisms

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| By Mrsmdaley
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Mrsmdaley
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Plant Adaptations- Tropisms - Quiz

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. Phototropism
    Explanation
    Phototropism "PHOTO" meaning light as in sunlight.

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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. Hydrotropism
    Explanation
    Hydrotropism - Root word is HYDRO meaning water.

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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. Gravitropism
    Explanation
    Root word for Gravitropism is "GRAVIT" for gravity. Plants roots grow downwards with Earth's gravity.

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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. Thigmotropism
    Explanation
    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.

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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
    Auxin
    Explanation
    Dutch scientist Fritz Went discovered auxins.

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  • 6. 

    An action that causes a response.

    Correct Answer
    Stimulus
    stimulus
    stimuli
    Explanation
    A stimulus is an action that causes another organism to respond.

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  • 7. 

    A reaction from an organism as a result of a stimulus.

    Correct Answer
    Response
    responses
    Responses
    response
    Explanation
    An example is the camera flash is the stimulus and a person blinking their eyes is a response.

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  • 8. 

    This is the changes an organism makes to survive in its environment.

    Correct Answer
    Adaptation
    adaptations
    Adaptations
    Explanation
    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.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 08, 2009
    Quiz Created by
    Mrsmdaley

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