How to Identify and Classify Spruce Trees - Test
How to Identify and Classify Spruce Trees
  • 1. What is the genus name for spruce trees?
A) Larix
B) Picea
C) Abies
D) Pinus
  • 2. Spruce needles are typically what shape?
A) Scale-like
B) Four-sided (quadrangular)
C) Flat
D) Round
  • 3. How are spruce needles attached to the twig?
A) With a sheath
B) On woody pegs (sterigmata)
C) In bundles
D) Directly to the twig
  • 4. Spruce cones typically hang in which direction?
A) Upward
B) Horizontal
C) At an angle
D) Downward
  • 5. Which of the following is a key characteristic of spruce cones?
A) They release their scales individually
B) They remain on the tree for many years
C) They disintegrate on the tree
D) They fall intact from the tree
  • 6. What is the color of needles for the blue spruce?
A) Bluish-green to silvery-blue
B) Dark green
C) Light green
D) Yellowish-green
  • 7. The scientific name for blue spruce is?
A) Picea rubens
B) Picea mariana
C) Picea pungens
D) Picea abies
  • 8. Which spruce species is known for its drooping branchlets?
A) Colorado Blue Spruce
B) Norway Spruce
C) White Spruce
D) Black Spruce
  • 9. The scientific name for Norway spruce is?
A) Picea abies
B) Picea mariana
C) Picea sitchensis
D) Picea glauca
  • 10. Which spruce is often found in boggy or swampy areas?
A) White Spruce
B) Black Spruce
C) Red Spruce
D) Serbian Spruce
  • 11. The scientific name for Black spruce is?
A) Picea mariana
B) Picea omorika
C) Picea pungens
D) Picea rubens
  • 12. Which is not a characteristic that helps identify trees?
A) Soil pH
B) Cone Type
C) Needle Shape
D) Bark Pattern
  • 13. Which spruce has a strong, unpleasant odor when the needles are crushed?
A) Blue Spruce
B) Red Spruce
C) White Spruce
D) Norway Spruce
  • 14. What is a common characteristic of Red Spruce cones?
A) Green color
B) Bright blue color
C) Reddish-brown color
D) Dark purple color
  • 15. Which spruce is native to the Pacific Northwest and is the largest spruce species?
A) Sitka Spruce
B) White Spruce
C) Engelmann Spruce
D) Red Spruce
  • 16. What does 'sterigmata' refer to in spruce identification?
A) Bark ridges
B) Cone scales
C) Branchlets
D) Woody pegs where needles attach
  • 17. The presence of glaucous (bluish-white) bloom on needles helps identify which tree?
A) Blue Spruce
B) Red Spruce
C) Black Spruce
D) White Spruce
  • 18. The scientific name for Engelmann spruce is?
A) Picea abies
B) Picea glauca
C) Picea sitchensis
D) Picea engelmannii
  • 19. Which of these spruces is considered more shade-tolerant?
A) Red Spruce
B) White Spruce
C) Sitka Spruce
D) Blue Spruce
  • 20. The scientific name for Sitka spruce is?
A) Picea sitchensis
B) Picea mariana
C) Picea rubens
D) Picea abies
  • 21. The scientific name for Red spruce is?
A) Picea sitchensis
B) Picea abies
C) Picea engelmannii
D) Picea rubens
  • 22. What does 'glauca' mean in botanical Latin?
A) Black
B) Bluish-green
C) Reddish
D) White
  • 23. The scientific name for White spruce is?
A) Picea omorika
B) Picea glauca
C) Picea mariana
D) Picea pungens
  • 24. Which spruce has needles that are flattened in cross-section?
A) Red Spruce
B) Blue Spruce
C) White Spruce
D) None, spruce needles are typically 4-sided
  • 25. What is the growth habit of Serbian Spruce?
A) Narrow and columnar
B) Broad and spreading
C) Rounded
D) Weeping
  • 26. Engelmann Spruce is commonly found in which type of environment?
A) High elevations
B) Coastal regions
C) Swamps
D) Deserts
  • 27. The scientific name for Serbian spruce is?
A) Picea mariana
B) Picea pungens
C) Picea abies
D) Picea omorika
  • 28. What bark color is commonly associated with mature Black Spruce?
A) Bright red
B) Dark gray-brown
C) Light gray
D) Whitish
  • 29. What does 'pungens' mean in botanical Latin?
A) Small
B) Sharp-pointed
C) Fragrant
D) Drooping
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