Companion Cells in Plants: Function & Concept


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question 1 of 3

The _____ helps take sugars from the leaves of a plant and transports them around the plant to its non-green portions.

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1. Companion cells are a type of _____ cell.

2. The interconnected chain of cells that make up phloem are called _____.

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About This Quiz & Worksheet

Companion cells are very important to the life of a plant. Determine your familiarity with the function of these cells using this combination quiz and worksheet. You will be asked to identify the structure that takes sugars from the leaves to the non-green portions of the plant, and the interconnected chain of cells that make up the phloem.

Quiz & Worksheet Goals

These assessments will test you on the following:

  • Type of cell that a companion cell is
  • Connection between sieve-tube members and companion cells
  • Transfer process that moves sugars and solutes between cells

Skills Practiced

The quiz and worksheet allow for the practice of the following skills:

  • Reading comprehension - ensure that you draw the most important information from the related lesson on the function of companion cells in plants
  • Information recall - access the knowledge you've gained regarding the chain of cells that the phloem is comprised of
  • Knowledge application - use your knowledge to answer a question about how companion cells and sieve-tube members work together

Additional Learning

Examine the purpose of these cells in more detail by studying the lesson, Companion Cells in Plants: Function & Concept. These objectives will be covered:

  • Identify the main types of vascular tissue
  • Evaluate a labeled diagram of the phloem
  • Learn what happens to a sieve-tube member without a companion cell
  • Explore the three types of companion cells