The Epidermis and Water Loss
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Questions and Answers

Which cells in the epidermis of leaves control the opening and closing of the leaf?

  • Epidermal cells
  • Root hairs
  • Guard cells (correct)
  • Dermal cells
  • What is the main function of the dermal cells in leaves?

  • To enable photosynthesis and respiration
  • To prevent water loss from the plant body (correct)
  • To allow gas exchange
  • To provide insulation for the plant body
  • What is the function of root hairs in the epidermal tissue of roots?

  • To increase the surface area of the epidermal cells (correct)
  • To control the opening and closing of the root
  • To enable gas exchange in the root
  • To prevent water loss from the root
  • Which layer of cells is part of the cortex and has a waxy layer or waterproof material in its cell wall?

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

    Which type of cells put additional cell wall material in the corners of the cell and are found just below the epidermis?

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

    Which type of cells are mainly found in the cortex and have uneven thickening of the cell wall?

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

    Which type of cells have thin cell walls and can develop into other cell types such as fibre cells or sclerenchyma cells?

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

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