Wood: Quiz

  
  
  

Question 1: Sapwood is the younger, outermost wood; in the growing tree it is living wood, and its principal functions are to conduct water from the ________ to the leaves and to store up and give back according to the season the reserves prepared in the leaves.
RootPlantFlowering plantPlant stem

Question 2: Examples of this kind of wood are basswood, ________, buckeye, maple, poplar, and willow.
BirchBetula pendulaAlderOak

Question 3: What does the following picture show?

  The Saitta House, Dyker Heights, Brooklyn, New York built in 1899 is made of and decorated in wood.[8]
  Artists can use wood to create delicate sculptures.
  Earlywood and latewood in a ring-porous wood (ash) in a Fraxinus excelsior ; tangential view, wide growth rings
  Wood surface, showing several features

Question 4: It is composed of cells, and the cell walls are composed of micro-fibrils of ________ (40% – 50%) and hemicellulose (15% – 25%) impregnated with lignin (15% – 30%).
CelluloseStarchSucroseGlucose

Question 5: Hence trees making rapid growth in the open have thicker sapwood for their size than trees of the same species growing in dense ________.
Old-growth forestTemperate broadleaf and mixed forestsTaigaForest

Question 6: What does the following picture show?

  The twisty branch of a Lilac tree
  Magnified cross-section of Black Walnut, showing the vessels, rays (white lines) and annual rings: this is intermediate between diffuse-porous and ring-porous, with vessel size declining gradually
  A section of a Yew branch showing 27 annual growth rings, pale sapwood and dark heartwood, and pith (centre dark spot). The dark radial lines are small knots.
  Artists can use wood to create delicate sculptures.

Question 7: What does the following picture show?

  Earlywood and latewood in a ring-porous wood (ash) in a Fraxinus excelsior ; tangential view, wide growth rings
  Artists can use wood to create delicate sculptures.
  Wood can be cut into straight planks and made into a wood flooring.

Question 8: In softball, however, bats are more commonly made of ________ (this is especially true for fastpitch softball).
GoldCopperTitaniumAluminium

Question 9: What does the following picture show?

  Magnified cross-section of Black Walnut, showing the vessels, rays (white lines) and annual rings: this is intermediate between diffuse-porous and ring-porous, with vessel size declining gradually
  Magnified cross-section of Black Walnut, showing the vessels, rays (white lines) and annual rings: this is intermediate between diffuse-porous and ring-porous, with vessel size declining gradually
  Wood surface, showing several features

Question 10:
Wood, Screw and Carpentry are all:
Woodworking materials Trees Woodworking Natural materials
















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