How to Identify and Classify Hackberries - Quiz
  • 1. What is the primary leaf arrangement of hackberry trees?
A) Opposite
B) Alternate
C) Whorled
D) Basal
  • 2. Hackberry leaves typically have what type of margin?
A) Smooth
B) Lobed
C) Serrated
D) Entire
  • 3. What is a distinctive feature of hackberry bark as it matures?
A) Deeply furrowed
B) Smooth and grey
C) Peeling in sheets
D) Warty ridges
  • 4. What type of fruit does a hackberry tree produce?
A) Samara
B) Acorn
C) Pome
D) Drupe
  • 5. What color are hackberry fruits typically?
A) Yellow
B) Reddish-purple to dark purple
C) White
D) Green
  • 6. Which of these habitats is hackberry MOST likely to be found in?
A) High alpine forests
B) Sandy deserts
C) Boreal forests
D) Bottomlands and riverbanks
  • 7. What is the genus name for hackberry?
A) Acer
B) Celtis
C) Pinus
D) Quercus
  • 8. The common hackberry is scientifically known as?
A) Celtis laevigata
B) Celtis occidentalis
C) Celtis australis
D) Acer negundo
  • 9. Which of the following is NOT a characteristic of hackberry twigs?
A) Zigzag pattern
B) Small buds
C) Thorns
D) Lenticels
  • 10. What is the texture of a hackberry fruit?
A) Dry and mealy
B) Juicy and fleshy
C) Spongy
D) Fibrous
  • 11. How many seeds are typically found inside a hackberry fruit?
A) Three
B) Many
C) Two
D) One
  • 12. Which bird is known to frequently consume hackberry fruits?
A) Great Horned Owl
B) Cedar Waxwing
C) Penguin
D) Bald Eagle
  • 13. What is the typical height of a mature hackberry tree?
A) 5-10 feet
B) 30-70 feet
C) 2-3 feet
D) 100-150 feet
  • 14. Compared to sugarberry (Celtis laevigata), common hackberry (Celtis occidentalis) generally has leaves that are:
A) More lance-shaped
B) Rougher in texture
C) More glossy
D) Smoother in texture
  • 15. What is the significance of the 'nipple gall' found on hackberry leaves?
A) Symbiotic relationship with bacteria
B) Fungal disease
C) Insect infestation
D) Natural leaf pigment
  • 16. What is the wood of the hackberry tree used for?
A) Fuel only
B) Construction beams
C) Musical instruments
D) Furniture and boxes
  • 17. Which soil type is hackberry most tolerant of?
A) Waterlogged soils
B) Acidic soils
C) Alkaline soils
D) Sandy soils
  • 18. What is the general shape of a hackberry tree's crown?
A) Weeping
B) Rounded or vase-shaped
C) Pyramidal
D) Columnar
  • 19. Which of these is NOT a common pest or disease affecting hackberry?
A) Leaf spot
B) Witches' broom
C) Hackberry nipple gall maker
D) Dutch Elm Disease
  • 20. What is the light requirement for hackberry trees?
A) Full shade only
B) Full sun to partial shade
C) Filtered light only
D) Deep shade only
  • 21. Which of the following characteristics best distinguishes hackberry from elm?
A) Elm has alternate leaf arrangement
B) Hackberry has warty bark
C) Hackberry has toothed leaf margins
D) Elm produces drupes
  • 22. What is the ecological role of hackberry trees?
A) Prevent soil erosion
B) Act as a nitrogen fixer
C) Provide food and shelter for wildlife
D) Indicate presence of heavy metals in the soil
  • 23. What is the lifespan of a typical hackberry tree?
A) 100-150 years
B) 5-10 years
C) 500+ years
D) 20-30 years
  • 24. Why is hackberry often planted in urban environments?
A) Needs constant watering
B) Requires fertile soil
C) Highly susceptible to diseases
D) Tolerance to pollution and poor soils
  • 25. Which state is NOT considered part of the native range for Celtis occidentalis (common hackberry)?
A) California
B) Texas
C) Minnesota
D) Georgia
  • 26. What is the shape of a hackberry leaf base?
A) Asymmetrical
B) Cordate
C) Symmetrical
D) Rounded
  • 27. The 'sugarberry' (Celtis laevigata) gets its name because:
A) It prefers soils high in sugar content
B) It is a popular food source for sugar gliders
C) Its fruits are sweeter than common hackberry
D) Its sap can be used to make syrup
  • 28. How can you distinguish a hackberry seedling from other similar seedlings?
A) By its root structure
B) Seedling identification is impossible
C) By its leaf venation and stem characteristics
D) By its flower color
  • 29. Which factor MOST significantly contributes to the warty appearance of hackberry bark?
A) Insect damage
B) Fungal infections
C) Mineral deficiencies
D) Lenticels and corky outgrowths
  • 30. What is the primary method of hackberry seed dispersal?
A) Animal caching (burial)
B) Water dispersal
C) Wind dispersal
D) Birds eating the fruits
Created with That Quiz — the site for test creation and grading in math and other subjects.