Osmotic Relations of Cells Quiz
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Questions and Answers

What happens to the net movement of water into a fully turgid cell?

  • It is stopped (correct)
  • It becomes zero
  • It decreases
  • It increases

    • What happens to the turgor of a flaccid cell?

  • It becomes negative
  • It decreases
  • It increases
  • It becomes zero (correct)

    • What happens to vacuolated parenchymatous cells in a plasmolysed state?

  • They remain unchanged in volume
  • They burst
  • They increase in volume
  • They shrink in volume (correct)

    • What is the relationship between water potential, osmotic potential, and pressure potential in a fully turgid cell?

    <p>Water potential is equal to osmotic potential + pressure potential</p> Signup and view all the answers

    What is the water potential of a fully turgid cell?

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

    What happens to the turgor of a flaccid cell?

    <p>It becomes zero</p> Signup and view all the answers

    What occurs when vacuolated parenchymatous cells are placed in solutions of sufficient strength?

    <p>The protoplast decreases in volume</p> Signup and view all the answers

    What is the relationship between osmotic potential and pressure potential in a plasmolysed cell?

    <p>Osmotic potential is zero and pressure potential is negative</p> Signup and view all the answers

    What is the main function of pectins in the middle lamella?

    <p>To aid in cell adhesion by binding cell walls of adjacent cells</p> Signup and view all the answers

    What is the primary component of the primary cell wall?

    <p>Cellulose microfibrils</p> Signup and view all the answers

    Which layer of the cell wall is formed after the primary cell wall has stopped dividing and growing?

    <p>Secondary cell wall</p> Signup and view all the answers

    What is the main function of the primary cell wall?

    <p>To provide strength and flexibility needed for cell growth</p> Signup and view all the answers

    What is unique to some secondary cell walls?

    <p>The presence of lignin</p> Signup and view all the answers

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