CH 5: Wilting and guttation
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Questions and Answers

What is the role of the epidermis in a dicotyledonous stem?

  • Minimizing water loss with a waxy cuticle (correct)
  • Producing xylem and phloem tissues
  • Providing structural support
  • Facilitating water and nutrient movement
  • In dicotyledonous plants, which tissue regulates water and nutrient movement into the vascular bundles?

  • Vascular Cambium
  • Cortex
  • Pericycle
  • Endodermis (correct)
  • What is the function of the coleoptile in monocotyledonous plants?

  • Regulating water movement into the stem
  • Leading the first leaves through the soil (correct)
  • Producing flowers for reproduction
  • Storing excess nutrients
  • Which tissue in stems primarily moves water and minerals up from the roots?

    <p>Xylem</p> Signup and view all the answers

    What is the main function of cork cambium in perennial plants?

    <p>Developing cork cells for bark formation</p> Signup and view all the answers

    Which tissue strengthens the stem and protects vascular tissues in dicotyledonous plants?

    <p>Pericycle</p> Signup and view all the answers

    What is the primary role of stomata in plant stems?

    <p>Facilitating gaseous exchange and water vapor exit</p> Signup and view all the answers

    What is the main difference between dicotyledonous and monocotyledonous plants?

    <p>They differ in all of the above.</p> Signup and view all the answers

    Which type of plant is typically more than 5 meters tall and has a single main woody stem?

    <p>Trees</p> Signup and view all the answers

    What is the primary function of stems in plants?

    <p>Transportation of water, dissolved minerals, and sugars.</p> Signup and view all the answers

    Which growth form includes plants that climb or twine around other structures?

    <p>Vines</p> Signup and view all the answers

    What is the role of stems in asexual reproduction?

    <p>Stems contribute to asexual reproduction methods.</p> Signup and view all the answers

    Which type of plant is characterized by multiple woody stems growing from the base?

    <p>Shrubs</p> Signup and view all the answers

    What is the primary function of stems in providing support and positioning to the plant?

    <p>To position leaves, flowers, and fruits for both optimal sunlight exposure and reproduction.</p> Signup and view all the answers

    Which growth form includes plants that lack woody tissue?

    <p>Herbs</p> Signup and view all the answers

    What is the role of stems in protecting plants from environmental stresses?

    <p>Stems protect plants from both physical damage and extreme temperatures.</p> Signup and view all the answers

    Which type of plant is typically under 1 meter in height?

    <p>Shrubs</p> Signup and view all the answers

    Which plant growth form is characterized by a single main woody stem and is typically more than 5 meters tall?

    <p>Trees</p> Signup and view all the answers

    Which function of stems helps plants survive and grow by storing nutrients and water?

    <p>Storage</p> Signup and view all the answers

    Which plant growth form is characterized by multiple woody stems growing from the base and is typically under 1 meter in height?

    <p>Shrubs</p> Signup and view all the answers

    Which plant growth form lacks woody tissue and is usually low-growing and herbaceous?

    <p>Herbs</p> Signup and view all the answers

    Which function of stems helps the plant to position its leaves, flowers, and fruits for optimal sunlight exposure and reproduction?

    <p>Support and positioning</p> Signup and view all the answers

    Which plant growth form can be woody or herbaceous, and has stems that climb or twine around other structures?

    <p>Vines</p> Signup and view all the answers

    Which function of stems is essential for the movement of water, dissolved minerals, and sugars throughout the plant?

    <p>Transport</p> Signup and view all the answers

    Which plant growth form is typically more than 5 meters tall and has a single main stem that can be either woody or herbaceous?

    <p>Trees</p> Signup and view all the answers

    Which function of stems contributes to asexual reproduction methods in some plants?

    <p>Reproduction</p> Signup and view all the answers

    Which plant growth form is characterized by multiple stems growing from the base and is typically under 1 meter in height, but can sometimes reach up to 2 meters?

    <p>Shrubs</p> Signup and view all the answers

    Which tissue in dicotyledonous stems primarily stores nutrients and aids in their passive movement?

    <p>Cortex</p> Signup and view all the answers

    What is the primary function of collenchyma and sclerenchyma tissues in plant stems?

    <p>Structural support</p> Signup and view all the answers

    In dicotyledonous stems, which layer regulates the movement of water and nutrients into the vascular bundles?

    <p>Endodermis</p> Signup and view all the answers

    What is the function of pericycle in dicotyledonous plants?

    <p>Strengthens the stem</p> Signup and view all the answers

    Which tissue in plant stems primarily facilitates radial growth by generating new xylem and phloem cells?

    <p>Vascular Cambium</p> Signup and view all the answers

    What is the main role of the cork cambium in perennial plants?

    <p>Producing cork for bark</p> Signup and view all the answers

    Which plant tissue is central to the transport system, primarily moving water and minerals upwards from the roots?

    <p>Xylem</p> Signup and view all the answers

    What do annual rings in woody stems indicate about a plant?

    <p>Age of the plant</p> Signup and view all the answers

    What is the main function of cuticle in plant stems?

    <p>Minimizing water loss by evaporation</p> Signup and view all the answers

    What is the primary role of the pericycle in a dicotyledonous stem?

    <p>Strengthening the stem</p> Signup and view all the answers

    Which type of plant growth form has the ability to engage in asexual reproduction through stems?

    <p>Vines</p> Signup and view all the answers

    Which plant growth form is typically under 1 meter in height, but can sometimes reach up to 2 meters, and is characterized by multiple stems growing from the base?

    <p>Shrubs</p> Signup and view all the answers

    Which plant growth form primarily functions in nutrient storage for plant survival and growth?

    <p>Trees</p> Signup and view all the answers

    Which plant growth form exhibits the function of support and positioning for optimal sunlight exposure and reproduction through its stem?

    <p>Vines</p> Signup and view all the answers

    Which plant growth form is primarily associated with the function of transport of water, minerals, and sugars throughout the plant?

    <p>Herbs</p> Signup and view all the answers

    Which plant growth form primarily contributes to protection from environmental stresses through stem function?

    <p>Herbs</p> Signup and view all the answers

    Which plant growth form exhibits radial growth through stem function, generating new xylem and phloem cells?

    <p>Trees</p> Signup and view all the answers

    Which plant growth form primarily functions in the passive movement of nutrients through stem storage?

    <p>Trees</p> Signup and view all the answers

    Which plant growth form primarily functions in the upward movement of water and minerals through stem function?

    <p>Herbs</p> Signup and view all the answers

    Which plant growth form contributes most to protection from environmental stresses through the function of collenchyma and sclerenchyma tissues in their stems?

    <p>Herbs</p> Signup and view all the answers

    What is the primary difference in stem development between dicotyledonous and monocotyledonous plants?

    <p>Monocotyledonous plants start growth with the coleorhiza, while dicotyledonous plants start with the radicle.</p> Signup and view all the answers

    Which stem tissue is responsible for the regulation of water and nutrient movement into the vascular bundles in dicotyledonous plants?

    <p>Endodermis</p> Signup and view all the answers

    What is the function of the vascular cambium in dicotyledonous stems?

    <p>It facilitates the growth of xylem and phloem tissues.</p> Signup and view all the answers

    What is the main difference between collenchyma and sclerenchyma tissues in dicotyledonous stems?

    <p>Collenchyma cells are alive at maturity, while sclerenchyma cells are dead at maturity.</p> Signup and view all the answers

    What is the primary role of the pericycle in dicotyledonous stems?

    <p>It contributes to the protection and strength of the stem.</p> Signup and view all the answers

    Which plant growth form is characterized by multiple woody stems growing from the base and is typically under 1 meter in height?

    <p>Shrubs</p> Signup and view all the answers

    In perennial plants, what is the function of the cork cambium?

    <p>It forms the bark by producing cork cells.</p> Signup and view all the answers

    What is the primary function of the cuticle in plant stems?

    <p>It minimizes water loss by evaporation.</p> Signup and view all the answers

    What do annual rings in woody stems indicate about a plant?

    <p>They illustrate distinct patterns of growth through seasons and show the age of the plant.</p> Signup and view all the answers

    What is the primary function of the epidermis in dicotyledonous stems?

    <p>It provides protection as the outermost layer.</p> Signup and view all the answers

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