Vacuoles: Structure and Function

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Questions and Answers

What is the primary component stored in vacuoles?

  • Pigments and fibrous materials
  • Visible crystals and starch
  • Proteins and sugars
  • Water and salts (correct)

Which function does vacuole contribute to in plant cells?

  • Regulates the temperature within the cell
  • Breaks down complex molecules in the cytoplasm
  • Contributes to cell rigidity using water to develop hydrostatic pressure (correct)
  • Synthesizes proteins and sugars for the cell

What drives cell expansion in plants?

  • Plasmolysis
  • Lysis of cytoplasmic constituents
  • Vacuole content
  • Turgor pressure (correct)

What is the role of vacuoles in defense mechanisms of plants?

<p>Defense against microbial pathogens and herbivores through secondary metabolites (D)</p> Signup and view all the answers

What is the main factor driving nastic movements in plants like Mimosa pudica and Venus fly trap?

<p>Turgor pressure (D)</p> Signup and view all the answers

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