Plant Revision

31 Questions | Total Attempts: 603

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Plant Revision

By completing this set of quiz, you will be able to understand more about plant nutrition and transport.


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Questions and Answers
  • 1. 
    • A. 

      Carbon dioxide concentration

    • B. 

      Chlorophyll availability

    • C. 

      Light intensity

    • D. 

      Water availability

  • 2. 
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 3. 
    In which conditions will a plant photosynthesise fastest?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 4. 
    The graph shows the amount of oxygen produced by a green plant during a 24-hour period. Which letter represents midnight?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 5. 
    The diagram shows one type of plant cell. What type of cell is it?
    • A. 

      Epidermal cell of a leaf

    • B. 

      mesophyll cell of a leaf

    • C. 

      Root hair cell

    • D. 

      Xylem cell

  • 6. 
    Four regions of a green leaf are listed. 1. air space 2. spongy mesophyll cell 3. stoma 4. xylem vessel In which order does a molecule of water, transported from the stem, pass through these regions into the air surrounding the leaf?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 7. 
          The diagram shows a transverse section from the middle of a root of a dicotyledonous plant. In which tissue are sugars and amino acids transported?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 8. 
            During translocation in plants, what substance is moved from which organ to which organ?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 9. 
    The diagram shows a section of a stem.  Which tissue transports sugars and amino acids from the leaves to other parts of the plant? 
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 10. 
         When a complete ring of bark is removed from the trunk of a tree, it will eventually die because this action cuts off the supply of
    • A. 

      Mineral salts to the leaves.

    • B. 

      Nutrients to the roots.

    • C. 

      Oxygen to the roots

    • D. 

      Water to the leaves.

  • 11. 
          When a leafy shoot is placed in a solution of dye, which part becomes most heavily stained?
    • A. 

      Guard cells in the leaves

    • B. 

      Palisade cells in the leaves

    • C. 

      Phloem cells in the stem

    • D. 

      Xylem vessels in the stem

  • 12. 
          The diagrams show transverse sections from the root and the stem of a plant. Which tissues carry amino acids in solution?
    • A. 

      Root (1) and stem (3)

    • B. 

      Root (1) and stem (4)

    • C. 

      Root (2) and stem (3)

    • D. 

      Root (2) and stem (4)

  • 13. 
          A young plant may wilt when dug up and re-planted in another place. What causes this?
    • A. 

      The leaves lose less water.

    • B. 

      The roots cannot take up mineral salts.

    • C. 

      The stem cannot transport water.

    • D. 

      The surface area of the root is reduced.

  • 14. 
    Four tubes, A, B, C and D are left in sunlight for one hour. The bicarbonate indicator solution in each tube is red at the start of the experiment. Bicarbonate indicator solution stays red if there is no change in carbon dioxide concentration. The indicator goes yellow if carbon dioxide concentration increases and purple if the carbon dioxide concentration decreases. In which tube does the colour change to purple?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 15. 
         The diagram shows a photosynthesis investigation. The plant has leaves that are green in the middle and white round the edges. Which leaf areas lack only one factor needed for photosynthesis?
    • A. 

      P and Q

    • B. 

      P and R

    • C. 

      Q and S

    • D. 

      R and S

  • 16. 
    Where and how does carbon dioxide enter a plant?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 17. 
           _________________ traps light energy and converts it into chemical energy for the formation of glucose.
  • 18. 
    State the 3 different types of cells containing chloroplasts in the leaf. Arrange them in ascending order starting with the cell containing the least number of chloroplasts.
  • 19. 
    Why does palisade mesophyll cell have most number of chloroplasts?
  • 20. 
    What is cell wall in the plant made up of? What are the 2 advantages of plant cell having a cell wall?
  • 21. 
          The cell wall of xylem vessels is made of ___________ to provide support to the plant.  It also helps to prevent bending of stem caused by wind.
  • 22. 
    Where are stomata mostly found in a plant?What are the 3 things that enter or leave the stomata?
  • 23. 
    Stomata open during the day and close at night. How do they close or open? What is the name of the cell that control the size of the stomata? Why must the cell come in pairs not single?
  • 24. 
  • 25. 
    What are the 2 functions of xylem vessels? How are the structures of xylem vessels adapted to their functions?