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How to Identify and Classify Yardlong Beans - Quiz
Contributed by: Woolley
  • 1. What family do yardlong beans belong to?
A) Fabaceae
B) Cucurbitaceae
C) Brassicaceae
D) Solanaceae
  • 2. What is the scientific name of yardlong beans?
A) Glycine max
B) Phaseolus vulgaris
C) Vigna unguiculata subsp. sesquipedalis
D) Pisum sativum
  • 3. Yardlong beans are most closely related to what other common bean?
A) Lima beans
B) Kidney beans
C) Green beans
D) Cowpeas
  • 4. What is the defining characteristic of yardlong beans?
A) Purple foliage
B) Spotted pods
C) Exceptionally long pods
D) Round, small pods
  • 5. How long are yardlong bean pods typically?
A) 10-20 cm
B) 30-90 cm
C) 1-2 m
D) 5-10 cm
  • 6. What is the typical color of yardlong bean flowers?
A) Yellow
B) Pale purple or lavender
C) White
D) Bright red
  • 7. What is the typical color of yardlong bean seeds?
A) Always white
B) Always green
C) Variable; often brown, red, or black
D) Always purple
  • 8. Are yardlong beans a type of legume?
A) Yes
B) No
C) Only when dried
D) Sometimes
  • 9. What type of growth habit do yardlong beans exhibit?
A) Ground cover
B) Bush
C) Tree
D) Climbing vine
  • 10. What is the best way to support yardlong bean plants?
A) Pruning regularly
B) Letting them grow on the ground
C) Trellis or stakes
D) Planting them in a pot
  • 11. At what stage are yardlong beans typically harvested?
A) When the flowers are in full bloom
B) When the pods are dry and brittle
C) When the pods are long and tender
D) When the plant is mature
  • 12. What is a common culinary use for yardlong beans?
A) Making jam
B) Animal feed only
C) Dyeing fabrics
D) Stir-fries
  • 13. Which climate is most suitable for growing yardlong beans?
A) Temperate with mild winters
B) Cold and dry
C) Warm and humid
D) High altitude
  • 14. What soil type is ideal for yardlong bean cultivation?
A) Acidic soil
B) Well-drained, fertile soil
C) Sandy, infertile soil
D) Clay-rich soil
  • 15. What is a common pest that affects yardlong beans?
A) Bees
B) Earthworms
C) Aphids
D) Ladybugs
  • 16. What is a common disease that affects yardlong beans?
A) Leaf curl
B) Root rot
C) Powdery mildew
D) Tomato blight
  • 17. How are yardlong beans typically propagated?
A) Cuttings
B) Layering
C) Grafting
D) Seeds
  • 18. Yardlong beans are a good source of which nutrient?
A) Iron
B) Calcium
C) Vitamin C
D) Vitamin D
  • 19. How does the taste of yardlong beans compare to other common beans?
A) Slightly different, sometimes described as more earthy
B) Bitter and unpleasant
C) Exactly the same as green beans
D) Sweeter than other beans
  • 20. In which part of the world are yardlong beans most commonly cultivated?
A) Europe
B) South America
C) North America
D) Southeast Asia
  • 21. What distinguishes yardlong beans from asparagus beans?
A) Yardlong beans require more water.
B) Asparagus beans are always purple.
C) They are the same thing.
D) Asparagus beans are always bush beans.
  • 22. What is a good companion plant for yardlong beans?
A) Corn
B) Rosemary
C) Onions
D) Fennel
  • 23. What part of the yardlong bean plant is typically eaten?
A) The leaves
B) The immature pods
C) The mature seeds only
D) The roots
  • 24. Why are yardlong beans often called 'asparagus beans'?
A) Because of their similar taste and texture when cooked
B) Because they look exactly like asparagus plants
C) Because they are always grown near asparagus
D) Because asparagus is used as fertilizer when growing them
  • 25. How does the cooking time of yardlong beans compare to green beans?
A) Similar, but may require slightly longer
B) Significantly longer
C) They don't need to be cooked at all
D) Much shorter
  • 26. What is a key factor in preventing yardlong bean pods from becoming tough?
A) Watering them excessively
B) Harvesting them while they are still young and tender
C) Fertilizing them heavily
D) Exposing them to full sun
  • 27. Are yardlong beans frost-tolerant?
A) Only with protection
B) Yes, very frost-tolerant
C) Moderately frost-tolerant
D) No
  • 28. What is the average seed germination rate for yardlong beans, under optimal conditions?
A) 40-50%
B) Almost 100%
C) 70-90%
D) 10-20%
  • 29. Compared to bush beans, how much space do yardlong beans typically need?
A) Less space as they grow vertically
B) About the same amount of space
C) They can be grown in small containers
D) More space due to their vining habit
  • 30. Which of the following is NOT a common name for yardlong beans?
A) Chinese Long Bean
B) Snake Bean
C) Asparagus Bean
D) Broad Bean
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