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