Plant Anatomy: Trichomes, Root Hairs, and Meristematic Tissue
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Questions and Answers

What is the function of tomato trichomes?

  • Produce outer protective coating of the plant
  • Absorb water and minerals from the soil
  • Protect the plant from animals (correct)
  • Responsible for the length-wise extension of the plant body

    • Where do root hairs occur?

  • Near the tips of roots (correct)
  • Within the flowers of the plant
  • In the air above the ground
  • On the stem of the plant

    • What type of tissue is responsible for cell division in plants?

  • Epidermal tissue
  • Trichomes
  • Dermal tissue
  • Meristematic tissue (correct)

    • Which of the following is NOT a type of meristem in plants?

    <p>Outer meristem</p> Signup and view all the answers

    What is the function of procambium in plants?

    <p>Give rise to vascular tissue system</p> Signup and view all the answers

    Where do apical meristems occur?

    <p>At the tips of roots and shoots</p> Signup and view all the answers

    What type of growth involves an increase in thickness of the stem and root?

    <p>Diffuse secondary growth</p> Signup and view all the answers

    Which part of the plant contains primary tissues?

    <p>Primary plant body</p> Signup and view all the answers

    What initiates primary growth in a plant?

    <p>Apical meristems</p> Signup and view all the answers

    In which plants does specialized secondary growth involve the production of additional parenchymatous elements?

    <p>Monocotyledons like palms</p> Signup and view all the answers

    What type of growth may involve cells of the ground tissue not localized in a specific region?

    <p>Diffuse secondary growth</p> Signup and view all the answers

    How do palm trees primarily increase their thickness near the apex?

    <p>Through primary thickening meristem activity</p> Signup and view all the answers

    What type of meristem gives rise to the ground tissue system?

    <p>Ground meristem</p> Signup and view all the answers

    Which type of meristem is responsible for secondary growth in woody stems and roots?

    <p>Lateral meristem</p> Signup and view all the answers

    What does the vascular cambium give rise to?

    <p>Secondary xylem and phloem</p> Signup and view all the answers

    Which type of cambium is responsible for producing the outer bark in woody plants?

    <p>Cork cambium</p> Signup and view all the answers

    What is the main function of stomata in plants?

    <p>Opening and closing pores based on environmental conditions</p> Signup and view all the answers

    What is the main function of lateral meristems?

    <p>Produce the secondary plant body</p> Signup and view all the answers

    Which part of the plant contains subsidiary cells surrounding stomata?

    <p>Guard cells</p> Signup and view all the answers

    What is the outcome of secondary growth in plants?

    <p>Increase in girth or diameter</p> Signup and view all the answers

    What is the role of bulliform cells in leaves of grasses?

    <p>Conserving water by causing leaf rolling</p> Signup and view all the answers

    Which plant structures serve to protect and prevent evaporation of water?

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

    In what situation do bulliform cells lose water and cause a leaf to roll into a protected cylinder?

    <p>In hot and dry conditions</p> Signup and view all the answers

    What is the function of specialized cells called subsidiary cells?

    <p>Act as reservoirs for water and ions</p> Signup and view all the answers

    What is the main function of collenchyma cells?

    <p>Providing flexible support for organs</p> Signup and view all the answers

    How do collenchyma cells differ from parenchyma cells?

    <p>Having unevenly thickened cell walls</p> Signup and view all the answers

    Where are collenchyma cells usually located in plants?

    <p>Under the epidermis of leaves, stems, and roots</p> Signup and view all the answers

    What is a key characteristic of sclerenchyma cells that distinguishes them from collenchyma cells?

    <p>Lacking protoplasts at maturity</p> Signup and view all the answers

    Why are collenchyma cells able to provide support without restricting growth?

    <p>Because they have thick walls but lack lignin</p> Signup and view all the answers

    In what plant parts can you find sclerenchyma cells?

    <p>Throughout both primary and secondary plant body</p> Signup and view all the answers

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