ThatQuiz Test Library Take this test now
How to Identify and Classify Plums - Exam
Contributed by: Andrews
  • 1. What is the primary fruit type of all plums?
A) Drupe
B) Aggregate Fruit
C) Berry
D) Pome
  • 2. Which characteristic is MOST important for initial plum identification?
A) Pit size
B) Leaf shape
C) Branch thickness
D) Skin color
  • 3. Japanese plums are scientifically classified under which species?
A) Prunus americana
B) Prunus salicina
C) Prunus domestica
D) Prunus cerasifera
  • 4. European plums are scientifically classified under which species?
A) Prunus salicina
B) Prunus domestica
C) Prunus americana
D) Prunus cerasifera
  • 5. Which plum species is known for its small size and often used for jams?
A) Prunus domestica
B) Prunus americana
C) Prunus persica
D) Prunus salicina
  • 6. What is a distinguishing characteristic of 'greengage' plums?
A) Red flesh
B) Very large size
C) Freestone pit
D) Green skin when ripe
  • 7. Which plum type is typically used for drying into prunes?
A) Japanese
B) Cherry
C) American
D) European
  • 8. A plum with a pointed end is most likely a...
A) Japanese plum
B) Damson plum
C) European plum
D) Greengage plum
  • 9. What pit type is most common in Japanese plums?
A) Freestone
B) Clingstone
C) No pit
D) Semi-freestone
  • 10. What pit type is most common in European plums?
A) Freestone
B) Semi-freestone
C) No pit
D) Clingstone
  • 11. A 'bloom' on a plum refers to what?
A) Waxy coating on skin
B) Sugar crystals
C) Insect infestation
D) Fungal growth
  • 12. Which plum species is also known as the 'cherry plum'?
A) Prunus salicina
B) Prunus americana
C) Prunus domestica
D) Prunus cerasifera
  • 13. The flavor profile of most European plums is generally...
A) Sweeter and less tart
B) Bland
C) Similar to cherries
D) More tart and acidic
  • 14. The flavor profile of most Japanese plums is generally...
A) Tart and complex
B) Bland
C) Similar to apples
D) Mild and sweet
  • 15. What leaf characteristic helps identify plum trees?
A) Serrations along the leaf edge
B) Compound leaves
C) Smooth leaf edges
D) Needle-like leaves
  • 16. Which ripening time best describes European plums?
A) Early spring
B) Late summer to fall
C) Mid-summer
D) Winter
  • 17. Which ripening time best describes Japanese plums?
A) Late summer to fall
B) Late fall
C) Early to mid-summer
D) Winter
  • 18. What color is the flesh of 'Santa Rosa' plums?
A) Green
B) Amber to red
C) Purple
D) Yellow
  • 19. Which factor affects plum size most significantly?
A) Rainfall amount
B) Tree age
C) Soil type
D) Cultivar
  • 20. How does chilling requirement affect plum cultivar selection?
A) Determines the skin color
B) Determines suitability for the climate
C) Determines the sweetness of the fruit
D) Determines the size of the fruit
  • 21. The shape of European plums is generally...
A) Heart-shaped
B) Oval
C) Pear-shaped
D) Round
  • 22. What does 'self-fertile' mean in the context of plum trees?
A) Needs no water
B) Can pollinate itself
C) Requires a separate pollinator
D) Grows in very poor soil
  • 23. A small, tart plum with dark blue skin is likely a...
A) Elephant Heart
B) Damson
C) Greengage
D) Santa Rosa
  • 24. Which tool is best for determining the sugar content of a plum?
A) Soil pH meter
B) Refractometer
C) Microscope
D) Tape measure
  • 25. What does 'precocity' refer to in plum trees?
A) Resistance to disease
B) Bearing fruit early in life
C) Rapid growth rate
D) Tolerance to drought
  • 26. Compared to Japanese plums, European plum trees generally...
A) Require less pruning
B) Bear fruit faster
C) Are more cold hardy
D) Have a longer lifespan
  • 27. What is the most common use of myrobalan plums?
A) Fresh eating
B) Rootstock for grafting
C) Jam making
D) Drying
  • 28. A large plum with a dark purple skin and red flesh is likely a...
A) Damson plum
B) Santa Rosa plum
C) Elephant Heart plum
D) Stanley plum
Created with That Quiz — a math test site for students of all grade levels.