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