How to Cultivate Guavas
  • 1. What climate is most suitable for guava cultivation?
A) Tropical and subtropical
B) Desert
C) Temperate
D) Arctic
  • 2. What is the ideal soil pH for guavas?
A) 3.0 - 4.0
B) 10.0 - 11.0
C) 8.0 - 9.0
D) 5.5 - 7.5
  • 3. How are guava trees typically propagated?
A) Root cuttings
B) Division
C) Air layering or grafting
D) Direct seeding
  • 4. What is the recommended spacing between guava trees in an orchard?
A) 5-8 meters
B) 1-2 meters
C) 20-25 meters
D) 10-12 meters
  • 5. Which of the following is a common guava pest?
A) Fruit flies
B) Ladybugs
C) Earthworms
D) Bees
  • 6. What is the main purpose of pruning guava trees?
A) To make the tree taller
B) To prevent flowering
C) To improve fruit production and shape
D) To kill pests
  • 7. What type of fertilizer is generally recommended for guava trees?
A) High nitrogen fertilizer only
B) High iron fertilizer only
C) No fertilizer needed
D) Balanced NPK fertilizer
  • 8. How often should guava trees be watered, especially during dry periods?
A) Regularly, ensuring soil moisture
B) Once a month
C) Never water them
D) Only when leaves wilt
  • 9. What is the approximate time to harvest after fruit set in most guava varieties?
A) 6-8 months
B) 1 year
C) 1-2 weeks
D) 3-5 months
  • 10. How do you know when a guava fruit is ripe?
A) Hard and green
B) No smell
C) Very soft and mushy
D) Slightly soft to the touch and fragrant
  • 11. What is air layering in guava propagation?
A) Rooting a branch while still attached to the parent plant
B) Grafting two trees in the air
C) Planting seeds directly into the air
D) Spraying roots with air
  • 12. What is the purpose of mulching around guava trees?
A) To dry out the soil
B) To attract pests
C) To retain moisture and suppress weeds
D) To increase soil pH
  • 13. Which disease commonly affects guava trees?
A) Powdery mildew
B) Anthracnose
C) Dutch elm disease
D) Rose black spot
  • 14. What is a common method for controlling fruit flies in guava orchards?
A) Using pheromone traps
B) Pouring gasoline on the soil
C) Releasing more fruit flies
D) Ignoring them
  • 15. Why is proper drainage important for guava trees?
A) To increase soil salinity
B) To encourage root growth in dry soil
C) To prevent root rot
D) To attract mosquitoes
  • 16. What is the benefit of using grafted guava trees?
A) More susceptible to diseases
B) Unknown fruit quality
C) Earlier fruiting and known fruit quality
D) Slower growth
  • 17. Which of the following is NOT a common guava variety?
A) Lucknow 49
B) Allahabad Safeda
C) Red Flesh
D) Granny Smith
  • 18. What is the importance of thinning guava fruits?
A) To attract more pests
B) To improve the size and quality of remaining fruits
C) To decrease fruit production
D) To make the tree weaker
  • 19. Which nutrient is essential for flower development in guava trees?
A) Nitrogen
B) Calcium
C) Potassium
D) Phosphorus
  • 20. What is the role of potassium in guava cultivation?
A) Leaf growth
B) Stem elongation
C) Root growth
D) Fruit development and disease resistance
  • 21. What does 'hardening off' refer to in guava seedlings?
A) Boiling seedlings
B) Freezing seedlings
C) Gradually acclimating seedlings to outdoor conditions
D) Planting seedlings in concrete
  • 22. Which of these is a sign of overwatering in guava trees?
A) Rapid growth
B) Increased fruit production
C) Dark green leaves
D) Yellowing leaves
  • 23. How can you improve pollination in a guava orchard?
A) By introducing pollinators like bees
B) By spraying pesticides
C) By planting only one guava tree
D) By removing all flowers
  • 24. What type of soil structure is best for guava trees?
A) Heavy clay
B) Pure sand
C) Well-draining loam
D) Compacted soil
  • 25. What type of irrigation is most effective for guava trees?
A) No irrigation
B) Flood irrigation
C) Sprinkler irrigation
D) Drip irrigation
  • 26. What is the best time of year to plant guava trees?
A) Late dry season
B) Summer
C) Early rainy season
D) Winter
  • 27. Which of these is NOT a benefit of growing guavas?
A) Relatively easy to grow
B) High water requirements
C) Rich in vitamins and minerals
D) Can be used to make juice and jam
  • 28. What is a potential consequence of nitrogen deficiency in guava trees?
A) Dark green leaves
B) Stunted growth and yellowing leaves
C) Increased disease resistance
D) Excessive fruit production
  • 29. What is the purpose of wrapping guava fruits while they are developing?
A) Speed up ripening
B) Add flavor
C) Protect from pests and sunburn
D) Slow down ripening
  • 30. What is the shelf life of guavas after harvesting?
A) Years
B) Relatively short, a few days at room temperature
C) Several months at room temperature
D) Several weeks at room temperature
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