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How to Identify and Classify Mahogany Trees - Test
Contributed by: Crossley
  • 1. What is the primary distinguishing feature of genuine mahogany wood?
A) Interlocked grain
B) Wavy grain
C) Burl grain
D) Straight grain
  • 2. Which genus primarily contains commercially valuable mahogany species?
A) Khaya
B) Cedrela
C) Swietenia
D) Entandrophragma
  • 3. Where is Swietenia macrophylla (Big-leaf Mahogany) primarily found?
A) Southeast Asia
B) West Africa
C) Central and South America
D) Madagascar
  • 4. What is a common characteristic of mahogany leaves?
A) Needle-like
B) Simple, entire
C) Palmately compound
D) Pinnately compound
  • 5. Which characteristic is NOT typically used to identify mahogany?
A) Flower color
B) Wood grain
C) Bark texture
D) Leaf shape
  • 6. What is the Janka hardness scale used for?
A) Measuring wood density and hardness
B) Measuring soil pH
C) Measuring leaf size
D) Measuring tree height
  • 7. Which mahogany species is considered the most valuable?
A) Toona ciliata (Red Cedar)
B) Khaya senegalensis (African Mahogany)
C) Swietenia mahagoni (West Indian Mahogany)
D) Swietenia macrophylla (Big-leaf Mahogany)
  • 8. What is the typical color of freshly cut mahogany wood?
A) Yellow
B) Gray
C) Pinkish-brown
D) Green
  • 9. Which of these is a sustainable forestry certification?
A) FSC (Forest Stewardship Council)
B) OSHA (Occupational Safety and Health Administration)
C) USDA (United States Department of Agriculture)
D) EPA (Environmental Protection Agency)
  • 10. What does the term 'figure' refer to in wood identification?
A) The size of the tree
B) The moisture content of the wood
C) The age of the tree
D) The pattern or appearance of the grain
  • 11. How can you distinguish genuine mahogany from similar-looking woods like Sapele?
A) By examining the end grain pattern
B) By smelling the wood
C) By weighing the wood
D) By looking at the tree height
  • 12. What is a common use for mahogany wood?
A) Firewood
B) Paper pulp
C) Fine furniture
D) Construction framing
  • 13. What is the shape of the fruit of Swietenia species?
A) Berry
B) Drupe
C) Capsule
D) Acorn
  • 14. Which factor most significantly impacts the value of mahogany lumber?
A) Grain quality and figure
B) Root depth
C) Tree age
D) Leaf size
  • 15. What is the role of 'pores' in wood identification?
A) They protect the tree from insects
B) They determine the tree's height
C) They are responsible for the wood's color
D) They transport water and nutrients in the living tree
  • 16. Which of these is NOT a common characteristic used to identify trees in general?
A) Soil type surrounding the tree
B) Branching pattern
C) Leaf shape
D) Bark characteristics
  • 17. Why is sustainable harvesting of mahogany important?
A) To make furniture heavier
B) To prevent deforestation and species endangerment
C) To increase the price of mahogany
D) To change the color of the wood
  • 18. What climate is best suited for growing mahogany trees?
A) Tropical
B) Arctic
C) Temperate
D) Desert
  • 19. What is the term for the arrangement of leaves on a stem?
A) Phyllotaxy
B) Dendrology
C) Taxonomy
D) Morphology
  • 20. What is the impact of heartwood on wood durability?
A) Heartwood does not affect durability
B) Heartwood and sapwood have equal durability
C) Heartwood is more durable than sapwood
D) Heartwood is less durable than sapwood
  • 21. Which insect is a significant pest of mahogany trees?
A) Beetles
B) Mahogany Shoot Borer
C) Aphids
D) Termites
  • 22. What type of wood is Khaya often referred to as?
A) Brazilian Mahogany
B) Canadian Mahogany
C) Philippine Mahogany
D) African Mahogany
  • 23. What does 'quartersawn' lumber refer to?
A) Lumber cut from the center of the tree
B) Lumber cut perpendicular to the growth rings
C) Lumber cut parallel to the growth rings
D) Lumber treated with chemicals
  • 24. Which is a characteristic of seasoned mahogany wood?
A) Increased weight
B) Increased susceptibility to decay
C) Brighter color
D) Reduced moisture content
  • 25. What is 'sapwood'?
A) The root system of the tree
B) The outer, younger wood of the tree
C) The bark of the tree
D) The inner, older wood of the tree
  • 26. What are lenticels?
A) The seeds of the tree
B) Pores on the bark used for gas exchange
C) The leaves of the tree
D) The roots of the tree
  • 27. What is dendrology?
A) The study of insects
B) The study of rocks
C) The study of climate
D) The study of trees
  • 28. How can climate change impact mahogany populations?
A) Decreasing pest infestations
B) Improving wood quality
C) Altering growing conditions and increasing pest infestations
D) Increasing tree lifespan
  • 29. Which organization regulates the international trade of endangered species, including some mahogany?
A) NATO
B) UN
C) CITES
D) WHO
  • 30. What is a common method of propagating mahogany trees?
A) Grafting
B) Budding
C) Layering
D) Seeds
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