Plant Stem Anatomy and Physiology
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Plant Stem Anatomy and Physiology

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Questions and Answers

What is the main function of the hypodermis in the stem?

  • Acting as a barrier to harmful organisms
  • Minimizing transpiration by compactly arranging cells
  • Providing mechanical strength to the stem with thickened cells (correct)
  • Serving as a food reserve

    • Which layer separates the cortex from the vascular bundles in the stem?

  • Endodermis (correct)
  • Hypodermis
  • Epidermis
  • Cortex

    • What are the longitudinal strands of conducting tissues in the stem composed of?

  • Cuticles
  • Starch grains
  • Collenchyma cells
  • Xylem and phloem (correct)

    • Which layer of the stem serves as a food reserve and may be termed as a starch sheath?

    <p>Endodermis</p> Signup and view all the answers

    What is the composition of the hypodermis in the stem?

    <p>Collenchyma cells specially thickened at the corners due to the deposition of thick cellulose</p> Signup and view all the answers

    What is the primary function of the epidermis in the stem?

    <p>Minimizing transpiration</p> Signup and view all the answers

    What is the arrangement of cells in the epidermis of the stem like?

    <p>Compact arrangement with greatly thickened cuticles</p> Signup and view all the answers

    What serves as a barrier to harmful organisms in the stem?

    <p>Epidermis</p> Signup and view all the answers

    What do vascular bundles in the stem consist essentially of?

    <p>Xylem and phloem arranged in a ring around the central pith</p> Signup and view all the answers

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