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Cell Biology and Molecular Botany

Vacuoles Practice Questions

20 free Vacuoles practice questions for the Botany, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Vacuoles questions

20 questions
  1. Q1. The single membrane that encloses the central vacuole in plant cells is known as the:
  2. Q2. What is the primary function of the central vacuole in maintaining the structural integrity of non-woody plants?
  3. Q3. The fluid found inside the plant vacuole is collectively referred to as:
  4. Q4. Which of the following pigments is commonly stored in vacuoles and is responsible for the red, purple, and blue colors of many flowers?
  5. Q5. How does the size of the vacuole change as a plant cell matures?
  6. Q6. Vacuoles in plant cells function similarly to which organelle in animal cells regarding the degradation of macromolecules?
  7. Q7. Which ions are actively pumped into the vacuole to drive the osmotic intake of water?
  8. Q8. Calcium is often stored in plant vacuoles in the form of crystals made of:
  9. Q9. The process by which a plant cell uses its vacuole to recycle its own cytoplasmic components is called:
  10. Q10. Which of the following is an example of a 'defense' function of the plant vacuole?
  11. Q11. During plasmolysis, what happens to the central vacuole?
  12. Q12. What is the typical pH range of the cell sap in a healthy plant vacuole?
  13. Q13. Latex, found in plants like Hevea brasiliensis, is stored in specialized vacuolar systems within cells called:
  14. Q14. Which of the following describes the 'Contractile Vacuole' found in some freshwater algae like Chlamydomonas?
  15. Q15. The storage of proteins in the vacuoles of seeds occurs in specialized structures known as:
  16. Q16. What role does the vacuole play in the rapid movement of Mimosa pudica (sensitive plant) leaves?
  17. Q17. The tonoplast contains 'Aquaporins'. What is their specific role?
  18. Q18. In Crassulacean Acid Metabolism (CAM) plants, which substance is stored in the vacuole overnight?
  19. Q19. Which of the following is NOT typically found in a healthy plant vacuole?
  20. Q20. The accumulation of which molecule in the vacuole is a common response to salt stress (salinity) in halophytes?