How to Identify and Classify Raspberries
  • 1. What is the primary fruit characteristic used to identify raspberries?
A) The size of the leaves.
B) The color of the canes.
C) The ease with which the fruit separates from the receptacle.
D) The thorniness of the plant.
  • 2. If a fruit comes off the plant leaving a white core (receptacle) exposed, it is likely a:
A) Raspberry
B) Strawberry
C) Dewberry
D) Blackberry
  • 3. What is the typical color of a red raspberry?
A) Red to dark red
B) Yellow
C) Black
D) Purple
  • 4. What type of cane growth characterizes summer-bearing raspberries?
A) Fruiting on first-year canes (primocanes)
B) Fruiting directly from the root system
C) Fruiting on both first and second-year canes
D) Fruiting on second-year canes (floricanes)
  • 5. What type of cane growth characterizes fall-bearing raspberries?
A) Fruiting on both first and second-year canes
B) Fruiting only after a period of dormancy
C) Fruiting on first-year canes (primocanes)
D) Fruiting on second-year canes (floricanes)
  • 6. Which of the following is a common characteristic of black raspberries?
A) Black fruit and arching canes
B) Yellow fruit and thornless canes
C) Purple fruit and trailing canes
D) Red fruit and erect canes
  • 7. What is the term for raspberries that produce two crops per year?
A) Everbearing
B) Annual
C) Biennial
D) Perennial
  • 8. The term 'primocane' refers to:
A) A second-year cane
B) The flower buds
C) The root system
D) A first-year cane
  • 9. The term 'floricane' refers to:
A) A first-year cane
B) A second-year cane
C) The root system
D) The flower buds
  • 10. Which cane type will produce fruit on a summer-bearing raspberry?
A) Root sucker
B) Floricane
C) Leaf stem
D) Primocane
  • 11. What is the general shape of a raspberry leaf?
A) Compound
B) Scale-like
C) Simple
D) Needle-like
  • 12. What is a common characteristic of purple raspberries?
A) They are true-breeding varieties
B) They are resistant to all common raspberry diseases
C) They only grow in specific soil types
D) They are hybrids of red and black raspberries
  • 13. How does pruning differ between summer-bearing and fall-bearing raspberries?
A) Summer-bearing requires removal of floricanes, fall-bearing can be mowed down.
B) Fall-bearing requires removal of floricanes, summer-bearing can be mowed down.
C) Both types require the same pruning methods.
D) Neither type requires pruning.
  • 14. Which of the following factors is important when selecting a raspberry variety?
A) Flower color
B) Cane height
C) Leaf shape
D) Disease resistance
  • 15. What soil pH is generally best for growing raspberries?
A) Slightly acidic (6.0-6.8)
B) Highly acidic (4.0-5.0)
C) Alkaline (8.0-9.0)
D) Neutral (7.0)
  • 16. What does 'self-fruitful' mean in the context of raspberries?
A) The plant does not require pollination to produce fruit.
B) The plant requires cross-pollination with another variety.
C) The plant can pollinate itself to produce fruit.
D) The plant is resistant to most common diseases.
  • 17. How are most raspberry plants propagated?
A) From seeds
B) From grafting
C) From leaf cuttings
D) From root suckers or cane cuttings
  • 18. Which of the following is a common raspberry pest?
A) Tomato hornworm
B) Squash vine borer
C) Raspberry crown borer
D) Rose aphid
  • 19. Which of the following is a common raspberry disease?
A) Anthracnose
B) Late blight
C) Powdery mildew
D) Septoria leaf spot
  • 20. What is the ideal planting depth for raspberry plants?
A) Deeper than they were in the nursery.
B) It does not matter as long as the roots are covered.
C) Shallower than they were in the nursery.
D) At the same depth they were in the nursery.
  • 21. What is the typical spacing between raspberry plants in a row?
A) 5-6 feet
B) 6-8 inches
C) 10-12 feet
D) 2-3 feet
  • 22. What type of support system is often used for raspberries?
A) Staking
B) Mulching
C) Fertilizing
D) Trellis
  • 23. Why is good air circulation important for raspberry plants?
A) To reduce the risk of fungal diseases.
B) To improve pollination.
C) To deter insect pests.
D) To increase fruit size.
  • 24. What type of fertilizer is generally recommended for raspberries?
A) A balanced fertilizer with nitrogen, phosphorus, and potassium.
B) A high-potassium fertilizer.
C) A high-nitrogen fertilizer.
D) A high-phosphorus fertilizer.
  • 25. When is the best time to harvest raspberries?
A) When the fruit is fully colored and easily separates from the receptacle.
B) It does not matter as long as the fruit is on the plant
C) When the fruit is still slightly green.
D) When the fruit is overripe and soft.
  • 26. What is the best way to store freshly harvested raspberries?
A) Leave them at room temperature in a sealed container.
B) Freeze them without washing.
C) Wash them immediately and then refrigerate.
D) Refrigerate immediately in a shallow container.
  • 27. What causes crumbly fruit in raspberries?
A) Overwatering
B) Poor pollination or virus infection
C) Nutrient deficiency
D) Insect damage
  • 28. What does it mean for a raspberry variety to be 'thornless'?
A) The plant is resistant to all diseases.
B) The plant does not produce any fruit.
C) The plant requires no pruning.
D) The canes have very few or no thorns.
  • 29. If a raspberry plant's leaves are yellowing, what might be the cause?
A) Too much sun
B) Nutrient deficiency or virus
C) Normal seasonal change
D) Too much water
  • 30. What is the function of mulching around raspberry plants?
A) Increase sunlight exposure
B) Attract pollinators
C) Prevent insect infestations
D) Suppress weeds, retain moisture, and regulate soil temperature
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