How to Identify and Classify Crabapples - Test
  • 1. What is the primary characteristic that defines a crabapple?
A) Specific leaf shape
B) Fruit diameter of 2 inches or less
C) Edible fruit regardless of size
D) Thorn-like branches
  • 2. Which fruit feature is MOST important for identifying crabapple cultivars?
A) Leaf shape
B) Color and size
C) Bark texture
D) Branch angle
  • 3. A 'persistent' fruit on a crabapple refers to what?
A) Fruit remaining on the tree through winter
B) Fruit that is resistant to pests
C) Fruit that is very hard
D) Fruit ripening early in the season
  • 4. What leaf characteristic can help differentiate crabapple varieties?
A) Leaf thickness
B) Leaf weight
C) Presence or absence of pubescence (hairs)
D) Leaf size
  • 5. Which disease is commonly found on crabapple trees?
A) Dutch elm disease
B) Powdery mildew on oaks
C) Apple scab
D) Rose black spot
  • 6. Why is disease resistance important when selecting crabapple cultivars?
A) To make the tree grow faster
B) To improve the taste of the fruit
C) To increase fruit production
D) To minimize the need for chemical treatments
  • 7. What type of flower arrangement is most common in crabapples?
A) Tripled
B) Single
C) Quadruple
D) Double
  • 8. What flower color is commonly seen in crabapple blossoms?
A) Orange
B) Purple
C) Blue
D) Pink
  • 9. What fruit characteristic affects the aesthetic appeal in winter?
A) Fruit color
B) Fruit texture
C) Fruit size
D) Fruit firmness
  • 10. Which form is NOT typically observed in crabapple trees?
A) Weeping
B) Vase-shaped
C) Rounded
D) Columnar
  • 11. What is a significant consideration when using crabapples for wildlife?
A) Flower fragrance
B) Branch density
C) Leaf color
D) Fruit persistence
  • 12. What is the significance of the calyx end of the fruit?
A) It indicates the level of disease resistance
B) It determines the fruit's sweetness
C) It helps in identifying specific cultivars
D) It has no significance
  • 13. Which factor affects the flavor of crabapples?
A) Cultivar
B) Bark thickness
C) Leaf shape
D) Tree size
  • 14. What does the term 'scab resistant' mean for a crabapple tree?
A) The tree requires no pruning.
B) The tree is less likely to be affected by apple scab disease.
C) The tree is immune to all diseases.
D) The fruit will be larger than normal.
  • 15. What time of year is best to evaluate fruit color for identification?
A) Winter
B) Fall
C) Spring
D) Summer
  • 16. Which environmental factor can affect fruit set in crabapples?
A) Pruning method
B) Soil pH
C) Fertilizer type
D) Pollination
  • 17. Why are crabapples often grafted?
A) To make the tree more cold hardy
B) To make the fruit larger
C) To change the flower color
D) To propagate desirable traits
  • 18. What is a key difference between crabapples and standard apple trees?
A) Bark texture
B) Leaf shape
C) Fruit size
D) Root structure
  • 19. Which of the following is NOT a use for crabapples?
A) Lumber production
B) Jelly making
C) Ornamental planting
D) Wildlife food source
  • 20. What part of the crabapple flower develops into the fruit?
A) Petal
B) Stamen
C) Ovary
D) Sepal
  • 21. How does sun exposure impact crabapple fruit color?
A) More sun lightens the color
B) More sun intensifies the color
C) It makes the fruit sweeter
D) Sun exposure has no effect on color
  • 22. What tool is best for accurately measuring crabapple fruit diameter?
A) Ruler
B) Eyeballing
C) Tape measure
D) Caliper
  • 23. What characteristic of the bark is LEAST helpful for identification?
A) Furrow depth
B) Peeling pattern
C) Presence of lenticels
D) Color when the tree is young
  • 24. What is the term for the opening on the fruit where the stem was attached?
A) Stem end
B) Fruit apex
C) Calyx end
D) Core
  • 25. Why is knowing the parentage of a crabapple cultivar useful?
A) It affects its growth rate.
B) It guarantees disease resistance.
C) It can help predict its characteristics.
D) It determines its price.
  • 26. Which factor is LEAST important for crabapple flower identification?
A) Petal number
B) Flower fragrance
C) Flower color
D) Petal thickness
  • 27. What does 'alternate' leaf arrangement mean on a crabapple branch?
A) Leaves are arranged in pairs opposite each other.
B) Leaves are arranged singly at different points along the stem.
C) Leaves are arranged in whorls.
D) Leaves are clustered at the end of the branch.
  • 28. What is the typical pH range that crabapples prefer?
A) 6.0-7.0
B) 7.5-8.5
C) 4.0-5.0
D) 8.5-9.5
  • 29. What is the primary purpose of pruning crabapple trees?
A) To increase fruit size.
B) To change the flower color.
C) To improve air circulation and light penetration.
D) To prevent disease.
  • 30. Which characteristic is most helpful in identifying a crabapple seedling?
A) Leaf characteristics
B) Bark texture
C) Fruit size
D) Flower color
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