Plant Guard Cells: Function & Definition


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question 1 of 3

Stomata are surrounded by ____.

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1. Which of the following signals guard cells to open or close stomata?

2. Transpiration is a necessary trade-off because ____.

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About This Quiz & Worksheet

Taking a look at these valves controlling water flow, this quiz and corresponding worksheet will help you gauge your knowledge of the function of plant guard cells. Topics you'll need to know to pass the quiz include understanding what stomata are surrounded by as well as knowing the signals for the guard cells to open or close the stomata.

Quiz & Worksheet Goals

This quiz/worksheet combo is designed to test your knowledge of the following:

  • What surrounds the stomata
  • Signals for functioning guard cells
  • Why transpiration happens
  • Definition of osmosis
  • Characteristics of guard cell functions

Skills Practiced

This worksheet and quiz will let you practice the following skills:

  • Interpreting information - verify you can read information regarding why transpiration happens and interpret it correctly
  • Reading comprehension - ensure that you draw the most important information from the related guard cells lesson
  • Knowledge application - use your knowledge to answer questions about the meaning of osmosis

Additional Learning

To learn more about this topic, review the corresponding lesson titled Plant Guard Cells: Function & Definition. This lesson will help you:

  • Understand what the process of transpiration involves
  • Identify where guard cells are in the plant
  • Explain the purpose of the guard cells
  • Describe how the guard cells work in a plant
  • Appreciate what will trigger a guard cell to do its job