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