Exploring Plant Development and Modular Structure
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Exploring Plant Development and Modular Structure

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Questions and Answers

Which of the following statements about plant development is true?

  • The positions and time at which plant modules are generated are not influenced by the environment.
  • Long range hormonal signals play a larger role in plant development compared to animal development.
  • The internal organization of a plant module is not genetically controlled.
  • The genetic control of pattern formation in plant development is different from animal development. (correct)

    • What is the main difference between plant and animal development?

  • Animals have a greater number of standardized modules compared to plants.
  • Plants have a root-shoot axis, while animals do not.
  • Plants have a more complex internal organization compared to animals.
  • Plants rely more on external cues and hormonal signals for development compared to animals. (correct)

    • What is the significance of the root-shoot axis in plant development?

  • It plays a larger role in plant development compared to animal development.
  • It determines the overall structure of the plant.
  • It is responsible for the generation of plant modules.
  • It influences the genetic control of pattern formation in plant development. (correct)

    • Which of the following is NOT true about the internal organization of a plant module?

    <p>It is not influenced by external cues.</p> Signup and view all the answers

    What happens during embryonic development in plants?

    <p>The root-shoot axis is established and then continues to grow outside the seed.</p> Signup and view all the answers

    Study Notes

    Plant Development

    • Plants have a flexible body plan, which allows for continuous growth and adaptation to the environment.
    • The main difference between plant and animal development is that plants have an open system of growth, whereas animals have a closed system of growth.

    Plant Body Organization

    • The root-shoot axis is significant in plant development as it establishes the polarity of the plant, determining the direction of growth.

    Plant Module Organization

    • A false statement about the internal organization of a plant module is that it has a fixed pattern of growth.

    Embryonic Development in Plants

    • During embryonic development in plants, the zygote undergoes multiple cell divisions, forming a spherical mass of cells called the proembryo.
    • The proembryo develops into the radicle (primary root) and the hypocotyl (stem), establishing the root-shoot axis.

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    Description

    Test your knowledge on plant development and the modular structure of plants. Learn about the influence of the environment on module generation and how it affects the overall structure of plants. Explore the choices between different modules in this quiz.

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