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How to Identify and Classify Fir Trees
Contributed by: Crossley
  • 1. Which needle arrangement is most typical of fir trees?
A) Single needles attached directly to the twig
B) Needles arranged in whorls
C) Needles in bundles of two or three
D) Scale-like needles
  • 2. What is a key characteristic of fir cones that distinguishes them from other conifers?
A) They hang downwards and fall to the ground whole
B) They are very small and inconspicuous
C) They are covered in sharp spines
D) They stand upright and disintegrate on the tree
  • 3. What is the cross-sectional shape of a fir needle?
A) Circular
B) Flat or slightly rounded
C) Square
D) Triangular
  • 4. Which of these features is NOT typically used for fir tree identification?
A) Root structure
B) Cone characteristics
C) Bark texture
D) Needle length
  • 5. What type of scars are left on a fir twig after the needles fall off?
A) Raised scars
B) Diamond-shaped scars
C) Circular scars
D) No scars
  • 6. What is the typical color of mature fir bark?
A) Yellow
B) Bright red
C) Gray or brownish-gray
D) Green
  • 7. Which of the following is a common habitat for fir trees?
A) Swamps
B) Mountainous regions
C) Deserts
D) Tropical rainforests
  • 8. How does the needle attachment of a fir tree differ from a spruce tree?
A) Fir needles are in bundles, spruce needles are single.
B) Fir needles have a peg, spruce needles are attached directly.
C) Fir needles are attached directly, spruce needles have a small peg.
D) The attachment is the same.
  • 9. What is the common name for Abies balsamea?
A) Noble Fir
B) Balsam Fir
C) Douglas Fir
D) White Fir
  • 10. Which fir species is known for its bluish-green needles?
A) Grand Fir (Abies grandis)
B) Red Fir (Abies magnifica)
C) Fraser Fir (Abies fraseri)
D) Colorado Blue Fir (Abies concolor)
  • 11. What is the primary use of fir wood?
A) Furniture making
B) Musical instruments
C) Fuelwood
D) Lumber and pulpwood
  • 12. Which fir species has a strong, citrus-like scent when its needles are crushed?
A) Balsam Fir (Abies balsamea)
B) Noble Fir (Abies procera)
C) Grand Fir (Abies grandis)
D) White Fir (Abies concolor)
  • 13. The cones of what fir species often have prominent bracts extending beyond the scales?
A) Balsam Fir (Abies balsamea)
B) Subalpine Fir (Abies lasiocarpa)
C) Noble Fir (Abies procera)
D) California Red Fir (Abies magnifica)
  • 14. What is a bract?
A) A modified leaf located below a flower or cone scale
B) A type of seed
C) A type of root
D) A type of bark
  • 15. Which fir species is most susceptible to balsam woolly adelgid infestations?
A) White Fir (Abies concolor)
B) Noble Fir (Abies procera)
C) Grand Fir (Abies grandis)
D) Balsam Fir (Abies balsamea)
  • 16. At what elevation are Subalpine Fir Trees usually found?
A) Low elevations
B) In deserts
C) High elevations
D) Along coastlines
  • 17. Which fir tree is know for having a spire-like crown?
A) Balsam Fir
B) White Fir
C) Grand Fir
D) Subalpine Fir
  • 18. What are the seed wings like on fir tree seeds?
A) Absent
B) Fleshy
C) Large and papery
D) Small and hard
  • 19. What is the growth rate of fir trees generally considered to be?
A) Slow to moderate
B) Very fast
C) Variable depending on the species
D) Extremely slow
  • 20. What role do fir trees play in the ecosystem?
A) Deplete soil nutrients
B) Contribute to air pollution
C) Inhibit the growth of other plants
D) Provide habitat and watershed protection
  • 21. Which characteristic is NOT helpful in distinguishing different species of fir?
A) The texture and color of the bark
B) The color of the wood inside the tree
C) The length and color of the needles
D) The shape and size of the cone
  • 22. How does the bark of young fir trees typically appear?
A) Thick and furrowed
B) Smooth and resinous
C) Covered in lichens
D) Scaly and peeling
  • 23. What type of soil do fir trees generally prefer?
A) Waterlogged soil
B) Heavy clay soil
C) Well-drained, acidic soil
D) Sandy, alkaline soil
  • 24. What is the significance of the 'Christmas tree' shape associated with many fir species?
A) Wind resistance
B) Defense against herbivores
C) Attraction of pollinators
D) Efficient light capture and snow shedding
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