How to Identify and Classify Elm Trees
  • 1. What is the typical leaf arrangement of elm trees?
A) Whorled
B) Alternate
C) Subopposite
D) Opposite
  • 2. Elm leaves are often described as having what shape?
A) Cordate
B) Ovate
C) Linear
D) Lanceolate
  • 3. What type of leaf margin is most common on elm leaves?
A) Crenate
B) Entire
C) Serrate
D) Lobed
  • 4. What key feature helps identify elm leaves?
A) Symmetrical leaf base
B) Asymmetrical leaf base
C) Glabrous surface
D) Parallel venation
  • 5. Dutch elm disease is caused by a:
A) Bacteria
B) Virus
C) Fungus
D) Insect
  • 6. Which elm species is known for its vase-shaped form?
A) American Elm
B) Siberian Elm
C) Red Elm
D) Winged Elm
  • 7. What is a distinguishing characteristic of Winged Elm?
A) Smooth bark
B) Large thorns
C) Corky wings on twigs
D) Reddish leaves in fall
  • 8. The bark of mature American elms is typically:
A) Peeling
B) Papery
C) Smooth
D) Deeply furrowed
  • 9. What type of fruit does an elm tree produce?
A) Samara
B) Acorn
C) Drupe
D) Berry
  • 10. Which elm is most tolerant of poor soil conditions?
A) American Elm
B) Siberian Elm
C) Red Elm
D) English Elm
  • 11. What does 'deciduous' mean in relation to trees?
A) Has needle-like leaves
B) Grows very slowly
C) Retains leaves year-round
D) Sheds leaves annually
  • 12. The shape of an elm's crown is also called its:
A) Bark texture
B) Root system
C) Leaf arrangement
D) Habit
  • 13. What is the primary method of elm seed dispersal?
A) Gravity
B) Water
C) Animals
D) Wind
  • 14. Red Elm is also known as:
A) Water Elm
B) Rock Elm
C) Slippery Elm
D) Cedar Elm
  • 15. What is a common use for Slippery Elm?
A) Construction lumber
B) Paper production
C) Firewood
D) Medicinal purposes
  • 16. Which elm species has the hardest wood?
A) Siberian Elm
B) American Elm
C) Red Elm
D) Rock Elm
  • 17. Cedar Elm is native to:
A) Northeastern United States
B) Pacific Northwest
C) Europe
D) Southern United States
  • 18. The flowers of elm trees are typically:
A) Fragrant
B) Inconspicuous
C) Brightly colored
D) Large and showy
  • 19. Elm trees are often found growing in what type of areas?
A) Deserts
B) Swamps
C) High mountains
D) Floodplains
  • 20. What is a defining characteristic of English Elm?
A) Spreading branches
B) Weeping branches
C) Columnar shape
D) Rounded shape
  • 21. What is the term for the study of trees?
A) Ecology
B) Botany
C) Zoology
D) Dendrology
  • 22. How can you differentiate between Siberian elm and American elm by looking at the leaves?
A) Siberian elm leaves are smaller.
B) American elm leaves are always perfectly symmetrical.
C) American elm leaves are rounder.
D) Siberian elm leaves are hairy.
  • 23. What impact did Dutch Elm Disease have on the American Elm population?
A) Improved the population
B) Caused a significant decline
C) Had no impact
D) Made them more resistant to other diseases
  • 24. What is the primary vector for Dutch Elm Disease?
A) Wind
B) Elm bark beetles
C) Aphids
D) Caterpillars
  • 25. Which of the following is NOT a species of elm?
A) Maple Elm
B) Winged Elm
C) Cedar Elm
D) Rock Elm
  • 26. What is a 'cultivar' in the context of trees?
A) A type of disease
B) A cultivated variety
C) A wild type
D) A type of fertilizer
  • 27. What is the significance of interveinal areas on elm leaves?
A) Leaf stems
B) Areas between veins
C) Root systems
D) Leaf margins
  • 28. Why is knowing about the native range important for identifying elm trees?
A) Determines the size of the tree
B) Helps narrow down possibilities
C) Determines susceptibility to disease
D) It is not important
  • 29. What can be inferred from the presence of buttress roots at the base of an elm tree?
A) Recent storm damage
B) Extremely fertile soil
C) Dry growing conditions
D) Potentially wet growing conditions
  • 30. If you see a tag identifying an elm as 'disease-resistant', what does it mean?
A) Will never require pruning
B) Will grow extremely quickly
C) Completely immune to all diseases
D) Less susceptible to certain diseases
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