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How to Identify and Classify Sea Buckthorns - Quiz
Contributed by: Andrews
  • 1. What is the primary characteristic that identifies sea buckthorn?
A) Large, colorful flowers
B) Thorny branches and silver-green leaves
C) Smooth, gray bark
D) Thick, waxy leaves
  • 2. Sea buckthorn fruits are typically what color?
A) Blue or purple
B) Red
C) Orange or yellow
D) Green
  • 3. The leaf shape of sea buckthorn is best described as:
A) Oval
B) Round
C) Heart-shaped
D) Lanceolate
  • 4. Sea buckthorn is known for being a good source of which vitamin?
A) Vitamin C
B) Vitamin D
C) Vitamin B12
D) Vitamin K
  • 5. Sea buckthorn typically thrives in what type of environment?
A) Sandy or gravelly soil
B) Swamps
C) Clay-rich soil
D) Dense forests
  • 6. What is the typical growth habit of sea buckthorn?
A) Ground cover
B) Large, towering tree
C) Shrub or small tree
D) Vine
  • 7. Which part of the sea buckthorn plant is often used for medicinal purposes?
A) Bark
B) Roots
C) Fruits and oil
D) Leaves only
  • 8. Sea buckthorn is native to which regions?
A) South America and Africa
B) Antarctica
C) North America and Australia
D) Europe and Asia
  • 9. What type of plant is sea buckthorn regarding its sex?
A) Dioecious
B) Asexual
C) Hermaphroditic
D) Monoecious
  • 10. Why is it important to have both male and female sea buckthorn plants?
A) For root development
B) For leaf growth
C) For fruit production
D) For disease resistance
  • 11. The small dots on the leaves of sea buckthorn are called:
A) Pores
B) Veins
C) Stomata
D) Scales or hairs
  • 12. What is the role of nitrogen-fixing bacteria in sea buckthorn's root nodules?
A) Protect the roots from pests
B) Store water for the plant
C) Transport nutrients to the leaves
D) Convert nitrogen from the air into a usable form for the plant
  • 13. The fruit of sea buckthorn is classified as what type of fruit?
A) Drupe
B) Berry
C) Pome
D) Capsule
  • 14. What is the scientific name of Sea Buckthorn?
A) Vaccinium myrtillus
B) Rubus idaeus
C) Hippophae rhamnoides
D) Sorbus aucuparia
  • 15. How are sea buckthorn plants typically propagated?
A) Grafting only
B) Budding only
C) Layering only
D) Cuttings or seeds
  • 16. What is a common use of sea buckthorn oil?
A) Food preservative
B) Industrial lubricant
C) Skin care products
D) Fuel additive
  • 17. Which of these is a characteristic of sea buckthorn thorns?
A) Sharp and rigid
B) Soft and pliable
C) Absent on mature plants
D) Rounded and blunt
  • 18. What is the meaning of 'Hippophae' in the scientific name Hippophae rhamnoides?
A) Thorny bush
B) Shining horse
C) Orange fruit
D) Silver leaf
  • 19. Which environmental condition does sea buckthorn tolerate well?
A) Waterlogging
B) Shade
C) High humidity
D) Salinity
  • 20. What is a common method for harvesting sea buckthorn berries?
A) Hand picking individual berries
B) Using a vacuum device
C) Cutting branches and freezing them
D) Shaking the tree
  • 21. Sea buckthorn is sometimes used in land reclamation because it:
A) Stabilizes soil
B) Depletes nutrients
C) Attracts pests
D) Requires fertile soil
  • 22. What is a potential drawback of planting sea buckthorn?
A) Susceptibility to fungal diseases
B) Slow growth rate
C) High water requirements
D) Invasive tendencies
  • 23. Which feature helps distinguish different cultivars of sea buckthorn?
A) Fruit size and shape
B) Bark color
C) Leaf size
D) Thorn length
  • 24. What is the approximate lifespan of a sea buckthorn plant?
A) 30-40 years
B) 10-20 years
C) 100+ years
D) 60-70 years
  • 25. The silver appearance of sea buckthorn leaves is due to:
A) Chlorophyll deficiency
B) A waxy coating
C) Tiny scales reflecting light
D) Presence of fungal spores
  • 26. Sea buckthorn berries are often used in which type of product?
A) Building materials
B) Textile dyes
C) Fertilizers
D) Juices and jams
  • 27. What type of root system does sea buckthorn have?
A) Shallow and compact
B) Fibrous and weak
C) Extensive and deep
D) Taproot only
  • 28. What is the benefit of sea buckthorn's ability to fix nitrogen?
A) Increases pest resistance
B) Improves soil fertility
C) Enhances fruit flavor
D) Reduces water consumption
  • 29. How does sea buckthorn contribute to biodiversity?
A) Acidifies the soil
B) Repels insects
C) Provides habitat for wildlife
D) Suppresses other plant growth
  • 30. Which geographical feature is often associated with sea buckthorn growth?
A) Deserts
B) Tropical rainforests
C) High mountains
D) Coastal areas
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