Plant Cells: Parenchyma, Collenchyma, Sclerenchyma
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Questions and Answers

Which of the following cell types is primarily responsible for photosynthesis in plants?

  • Epidermis
  • Sclerenchyma
  • Collenchyma
  • Parenchyma (correct)

What is the primary function of collenchyma cells in plant tissues?

  • Protecting the plant from herbivores
  • Storage of nutrients
  • Providing flexible support to surrounding tissues (correct)
  • Transport of water and minerals

Which cell type is characterized by its role in tissue repair and replacement?

  • Sclerenchyma
  • Parenchyma (correct)
  • Xylem
  • Collenchyma

A botanist discovers a new plant species in a harsh, windy environment. Analysis reveals an abundance of which cell type, providing both strength and the ability to withstand bending without breaking?

<p>Collenchyma, concentrated in the outer layers of the stem and leaves (A)</p> Signup and view all the answers

A plant physiologist is studying a mutant plant with impaired material transport. Further investigation reveals a defect in which of the following cell types, specifically affecting its ability to facilitate the movement of water and nutrients throughout the plant?

<p>Specialized sclerenchyma cells (C)</p> Signup and view all the answers

Flashcards

Parenchyma Cells

A type of plant cell involved in storage, photosynthesis, gas exchange, protection, and tissue repair.

Collenchyma Cells

A type of plant cell that provides support and flexibility to the plant, allowing for tissue repair.

Sclerenchyma Cells

A type of plant cell that provides support and assists in the transport of materials.

Parenchyma Function

Plant cells responsible for storage, photosynthesis, gas exchange, protection and tissue repair.

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Collenchyma Function

Plant cells providing support for surrounding tissues, flexibility, and tissue repair.

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Study Notes

  • Three types of plant cells form most plant tissues: Parenchyma, Collenchyma, and Sclerenchyma.

Parenchyma

  • Storage
  • Photosynthesis
  • Gas exchange
  • Protection
  • Tissue repair and replacement

Collenchyma

  • Support for surrounding tissues
  • Flexibility for plant
  • Tissue repair and replacement

Sclerenchyma

  • Support
  • Transport of materials

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Description

Plant tissues are composed of three main cell types: parenchyma, collenchyma, and sclerenchyma. Parenchyma cells are involved in storage, photosynthesis, and gas exchange. Collenchyma provides support and flexibility, while sclerenchyma offers support and facilitates material transport.

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