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