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