Plant Anatomy and Cell Theory Quiz

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Questions and Answers

What is the primary component of the middle lamella?

  • Cellulose
  • Lignin
  • Hemicellulose
  • Pectic polysaccharides (correct)

What is the primary function of the secondary cell wall?

  • To bind adjacent cells together.
  • To provide mechanical support and rigidity. (correct)
  • To control cell growth and shape.
  • To reduce water loss and prevent infections.

Which of the following is NOT a function of the cell wall?

  • Providing a source of energy for the plant. (correct)
  • Allowing the development of turgidity.
  • Limiting and controlling cell growth and shape.
  • Developing a waxy cuticle to reduce water loss.

Which statement about the primary cell wall is correct?

<p>It is present in all plant cells. (A)</p> Signup and view all the answers

Which of the following statements about cell wall thickness is correct?

<p>The thickness of cell walls varies, with xylem vessels having the thickest walls. (A)</p> Signup and view all the answers

Which of the following statements about the cell theory is incorrect?

<p>Cells can arise spontaneously from non-living matter. (A)</p> Signup and view all the answers

Which of the following is a distinguishing characteristic of prokaryotic cells?

<p>Lack of a nuclear membrane enclosing the genetic material. (D)</p> Signup and view all the answers

Which of the following is a non-living component of a plant cell?

<p>Cell wall (A)</p> Signup and view all the answers

What is the primary function of the cell wall in plant cells?

<p>To provide structural support and protection to the cell. (A)</p> Signup and view all the answers

Which of the following statements about plant anatomy is correct?

<p>Plant anatomy is concerned with the study of plant tissues through dissection. (B)</p> Signup and view all the answers

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