Understanding Wood Texture in Woodworking and Furniture Manufacture
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Questions and Answers

What is the main difference between sapwood and heartwood?

  • Sapwood is softer than heartwood
  • Heartwood is green while sapwood is brown
  • Heartwood has living cells while sapwood does not (correct)
  • Sapwood is located at the center of the tree while heartwood is on the outer edges

What are extractives commonly found in heartwood used for?

  • Aiding in the transport of water in the tree
  • Regulating the temperature inside the tree
  • Providing nutrients to the tree
  • Defending the tree against insects and decay (correct)

What is the primary function of parenchyma cells in wood?

  • Storing food and aiding in wound healing (correct)
  • Providing structural support
  • Conducting water and nutrients
  • Producing energy for growth

How is heartwood formed in trees?

<p>By deposition of compounds within older xylem cells (A)</p> Signup and view all the answers

Which characteristic is commonly used in wood identification?

<p>Grain pattern and texture (D)</p> Signup and view all the answers

In wood, what defines the grain and texture that are commonly used for identification purposes?

<p>Growth rings and arrangement of cells (B)</p> Signup and view all the answers

What is the primary function of inner bark?

<p>To transport products of photosynthesis from the leaves to other parts of the tree (B)</p> Signup and view all the answers

What is the primary difference between sapwood and heartwood?

<p>All of the above (D)</p> Signup and view all the answers

Which type of wood cells are involved in the storage and transport of non-structural carbohydrates?

<p>Parenchyma cells (D)</p> Signup and view all the answers

What is the primary cause of heartwood formation?

<p>Accumulation of extractives in the cell lumens (C)</p> Signup and view all the answers

Which wood surface is parallel to the pith but does not pass through it?

<p>Tangential plane (C)</p> Signup and view all the answers

Which of the following is NOT a primary factor used in wood identification?

<p>Density of the wood (C)</p> Signup and view all the answers

Which of the following is a characteristic of juvenile wood?

<p>Lower density and strength properties compared to mature wood (C)</p> Signup and view all the answers

What is the primary factor that influences the formation of juvenile wood?

<p>The apical meristem (D)</p> Signup and view all the answers

What is the term used to describe the direction of wood fibers relative to the axis of the tree?

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

Which of the following statements about cross-grained wood is true?

<p>It can significantly affect wood properties (C)</p> Signup and view all the answers

What is the term used to describe the relative size and variation in the size of wood cells?

<p>Texture (C)</p> Signup and view all the answers

Which of the following is true about the demarcation between juvenile and mature wood?

<p>There is a gradual transition with no sharp demarcation (B)</p> Signup and view all the answers

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