- 1. What is the scientific name of winged bean?
A) Psophocarpus tetragonolobus
B) Phaseolus vulgaris
C) Vigna unguiculata
D) Glycine max
- 2. Which part of the winged bean plant is NOT typically consumed?
A) Stem
B) Pods
C) Roots
D) Leaves
- 3. What is the typical color of winged bean flowers?
A) Red
B) White
C) Blue or Purple
D) Yellow
- 4. Winged beans are known for their high content of what nutrient?
A) Carbohydrates
B) Calcium
C) Vitamin C
D) Protein
- 5. What is the characteristic shape of the winged bean pod?
A) Four-winged
B) Flat
C) Round
D) Curved
- 6. What type of climate do winged beans typically thrive in?
A) Tropical
B) Arctic
C) Desert
D) Temperate
- 7. What is the primary method of propagation for winged beans?
A) Grafting
B) Seeds
C) Cuttings
D) Layering
- 8. How do winged beans typically grow?
A) Ground Cover
B) Tree
C) Climbing Vine
D) Bush
- 9. What type of root system do winged beans have?
A) Taproot
B) Adventitious
C) Fibrous
D) Aerial
- 10. Which soil type is generally best suited for winged bean cultivation?
A) Well-drained loam
B) Sandy
C) Rocky
D) Clay
- 11. What is a common use of the dried winged bean seeds?
A) Flour
B) Fertilizer
C) Animal bedding
D) Fuel
- 12. Which continent is considered the origin of the winged bean?
A) Africa
B) South America
C) Southeast Asia
D) North America
- 13. At what stage are the pods typically harvested for consumption as a vegetable?
A) Dried
B) Mature
C) Overripe
D) Immature
- 14. What is the approximate length of a mature winged bean pod?
A) 45-60 cm
B) 5-10 cm
C) 15-30 cm
D) 30-45 cm
- 15. Which of the following is a common pest that affects winged beans?
A) Earthworms
B) Aphids
C) Bees
D) Ladybugs
- 16. What benefit do winged beans provide to the soil?
A) Salinity increase
B) Potassium reduction
C) Nitrogen fixation
D) Phosphorus depletion
- 17. How are winged bean tubers typically prepared for consumption?
A) Eaten raw
B) Fermented
C) Pickled
D) Boiled or roasted
- 18. What is the texture of mature winged bean seeds?
A) Soft
B) Hard
C) Chewy
D) Gummy
- 19. What is the ideal pH level for winged bean cultivation?
A) 6.0-6.5
B) 8.5-9.0
C) 7.5-8.0
D) 4.5-5.0
- 20. What structure do winged beans use to climb?
A) Tendrils
B) Aerial roots
C) Thorns
D) Suckers
- 21. What is the primary growing season for winged beans in many tropical regions?
A) Dry season
B) Winter
C) Wet season
D) Spring
- 22. The leaves of the winged bean are often compared in taste to what other vegetable?
A) Spinach
B) Lettuce
C) Kale
D) Cabbage
- 23. Which part of the winged bean is used as a coffee substitute?
A) Ground roots
B) Roasted seeds
C) Flower petals
D) Dried leaves
- 24. What is the role of the rhizobium bacteria in winged bean cultivation?
A) Increase soil pH
B) Control pests
C) Fix nitrogen
D) Absorb phosphorus
- 25. How are winged bean flowers often prepared for consumption?
A) In salads
B) Boiled
C) Fried
D) Pickled
- 26. What type of inflorescence does winged bean have?
A) Spike
B) Umbel
C) Cyme
D) Raceme
- 27. What is a significant challenge in winged bean cultivation regarding pod maturity?
A) Pods are difficult to harvest
B) Pods shatter easily
C) Pods are highly susceptible to disease
D) Pods have a short shelf life
- 28. Which processing method helps reduce anti-nutritional factors in winged beans?
A) Cooking
B) Sun drying
C) Salting
D) Freezing
- 29. What is the term used to describe the relationship between winged beans and rhizobium bacteria?
A) Antagonistic
B) Parasitic
C) Commensal
D) Symbiotic
- 30. How does spacing between plants typically influence winged bean pod production?
A) Adequate spacing increases production
B) Close spacing increases production
C) Spacing has no impact on production
D) Crowding produces larger pods
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