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How to grow bonsai from seed
Contributed by: Black
  • 1. What is the first step in growing bonsai from seed?
A) Pruning the roots
B) Seed selection and stratification
C) Potting the sapling
D) Wiring the branches
  • 2. What does stratification achieve for bonsai seeds?
A) Protects from pests
B) Encourages root growth
C) Breaks seed dormancy
D) Provides nutrients
  • 3. Which of these is a common method of stratification?
A) Vinegar rinse
B) Boiling
C) Fertilizer soaking
D) Cold stratification (refrigeration)
  • 4. What is the ideal growing medium for bonsai seeds?
A) Pure sand
B) Well-draining seed starting mix
C) Garden soil
D) Clay soil
  • 5. How deep should bonsai seeds be planted?
A) Just on the surface
B) About twice the seed's diameter
C) Very deep (several inches)
D) Half the seed's diameter
  • 6. What is the ideal humidity level for germinating bonsai seeds?
A) High humidity
B) Variable humidity
C) Low humidity
D) No humidity
  • 7. What type of light is best for newly germinated bonsai seedlings?
A) Fluorescent light only
B) No light
C) Indirect sunlight
D) Direct sunlight
  • 8. When should seedlings be transplanted to individual pots?
A) When they have a few sets of true leaves
B) Never, they remain together
C) After a year
D) Immediately after germination
  • 9. What is the main purpose of pruning in bonsai cultivation?
A) To make the plant taller
B) To prevent flowering
C) To control size and shape
D) To accelerate growth
  • 10. What is root pruning?
A) Covering roots with moss
B) Removing a portion of the root system
C) Exposing the roots
D) Adding fertilizer to the roots
  • 11. Why is root pruning important for bonsai?
A) To kill pests in the roots
B) To stop nutrient uptake
C) To make the tree taller
D) To control root growth and encourage ramification
  • 12. What is wiring used for in bonsai?
A) Strengthening the trunk
B) Promoting flowering
C) Shaping branches
D) Protecting from insects
  • 13. What type of wire is commonly used for bonsai?
A) Anodized aluminum or copper wire
B) Barbed wire
C) Plastic coated wire
D) Steel wire
  • 14. How often should bonsai be watered?
A) Once a week
B) Every day regardless of soil moisture
C) When the soil surface is dry to the touch
D) Only when the leaves wilt
  • 15. What type of fertilizer is best for bonsai?
A) Balanced, diluted fertilizer
B) No fertilizer
C) Un-diluted fertilizer
D) High nitrogen fertilizer
  • 16. What is the purpose of pinching back new growth?
A) To weaken the tree
B) To make the tree taller
C) To encourage branching and denser foliage
D) To remove flowers
  • 17. What is bonsai soil typically composed of?
A) Only sand
B) Clay soil and gravel
C) Akadama, pumice, and lava rock
D) Garden soil, sand, and peat moss
  • 18. What does 'Nebari' refer to in bonsai?
A) The trunk
B) The branch structure
C) The foliage
D) The visible root base
  • 19. What is the ideal pH for most bonsai soil?
A) Highly alkaline (8.0-9.0)
B) Extremely alkaline (10-11)
C) Slightly acidic to neutral (6.0-7.0)
D) Highly acidic (4.0-5.0)
  • 20. What does the term 'Mame' refer to in bonsai?
A) A very large bonsai
B) A specific bonsai species
C) A very small bonsai
D) A bonsai training technique
  • 21. How do you prevent wire damage to branches?
A) Use very thick wire
B) Monitor the wire closely and remove it before it bites into the bark
C) Wrap the branch heavily before wiring
D) Leave the wire on indefinitely
  • 22. What is the purpose of repotting bonsai?
A) To avoid pruning
B) To shock the roots into growth
C) To make the tree taller
D) To replenish nutrients and provide fresh soil
  • 23. What time of year is best for repotting most bonsai?
A) Early spring
B) Late autumn
C) Winter
D) Mid-summer
  • 24. What is the best way to protect bonsai from frost?
A) Move them to a sheltered location
B) Apply fertilizer
C) Water them more frequently
D) Cover them in plastic wrap
  • 25. What is 'ramification' in bonsai?
A) Branching pattern
B) Leaf size
C) Trunk thickness
D) Root structure
  • 26. What is a good sign of healthy bonsai growth?
A) No growth at all
B) Consistent new growth and vibrant foliage
C) Rapid, uncontrolled growth
D) Yellowing leaves
  • 27. How can you improve the taper of a bonsai trunk?
A) Wrap the trunk tightly with wire
B) Constantly prune the lower branches
C) Apply fertilizer to the trunk
D) Allow the lower branches to grow more freely
  • 28. What type of pot is generally used for bonsai?
A) Unglazed ceramic pot with drainage holes
B) Plastic pot
C) Glazed pot without drainage
D) Glass container
  • 29. What is the purpose of drainage holes in a bonsai pot?
A) To prevent waterlogging
B) To make the pot lighter
C) To allow air to reach the roots
D) To allow fertilizer to escape
  • 30. What are the advantages of growing bonsai from seed compared to other methods?
A) It is easier than other methods
B) It requires less maintenance
C) You have complete control over the tree's development from the very beginning.
D) It's faster than other methods
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