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