Gymnosperm Diversity And Biology

32 Questions | Total Attempts: 75

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Gymnosperm Quizzes & Trivia

Questions and Answers
  • 1. 
    Tubes lined with cells that secrete a resin because
  • 2. 
    How do Genus Gnetum look similar to angiosperms?
  • 3. 
    Where is seed plants produced?
    • A. 

      Within a fruit

    • B. 

      Sporophylls

    • C. 

      Sporangia

  • 4. 
    Sporophyll is a leaf producing spore which is a highly modified leaf
    • A. 

      True

    • B. 

      False

  • 5. 
    Strobili (pine cone, cone) are sporophylls arrangened in a cross
    • A. 

      True

    • B. 

      False

  • 6. 
    Produce ovules surrounded by a fleshy cup like covering called aril. Bright red and open at one end
    • A. 

      Junipers

    • B. 

      Yew (Taxus)

    • C. 

      Pinus Longaeva

  • 7. 
    Fleshy at maturity (cones look like berries). Pollen lacks air sacs and used to make gin
    • A. 

      Yew (Taxus)

    • B. 

      Junipers

    • C. 

      Methuselan

  • 8. 
    Worlds oldedst organism is the Pinus Longavea (bristlecone pine)
    • A. 

      True

    • B. 

      False

  • 9. 
    Resin canals are developed in the _______ throughout the plant
    • A. 

      Sporangia

    • B. 

      Xylem

    • C. 

      Mesophyll

  • 10. 
    Gymnosperm wood consists of..
    • A. 

      Tracheids

    • B. 

      Xylem

    • C. 

      Phloem

    • D. 

      Stomata

    • E. 

      Soft wood

  • 11. 
    Fungi associted with the roots...
    • A. 

      Ginkgophyta

    • B. 

      Biloba

    • C. 

      Mycorrhizal

  • 12. 
    Phylum Ginkgophyta leaf veins brach monotomously
    • A. 

      True

    • B. 

      False

  • 13. 
    Ginkgophyta...
    • A. 

      Has holdfasts

    • B. 

      Vomit odor

    • C. 

      Keystone species

  • 14. 
    Tropical trees, look simular to a tree fern crossed with a palm
    • A. 

      Hepaticophyta

    • B. 

      Bryophyta

    • C. 

      Streptophytes

    • D. 

      Polypodiophyta

    • E. 

      Cycadophyta

  • 15. 
    Cycadophyta has a life cycle similar to pines...
    • A. 

      Large pollen

    • B. 

      Ovulate cones

    • C. 

      Double fertilization

    • D. 

      Contain vessel elements

    • E. 

      Flagellated sperm

  • 16. 
    2nd largest group of gymnosperms
    • A. 

      Gnetophyta

    • B. 

      Ginkgophyta

    • C. 

      Antocerophyta

    • D. 

      Cycadophyta

    • E. 

      Alveolates

  • 17. 
    Phylum Gnetophyta is closely related to bryophytes
    • A. 

      True

    • B. 

      False

  • 18. 
    Gnetophyta contain _______ _______ in their xylem
  • 19. 
    Gnetophyta have which 3 genus
    • A. 

      Ephedra

    • B. 

      Pinus strobus

    • C. 

      Euglenoids

    • D. 

      Gnetum

    • E. 

      Taxodium distichum

    • F. 

      Welwitschia

  • 20. 
    Genus Ephedra is found in
  • 21. 
    Genus Ephedra...
    • A. 

      Leaves in whorls of 2 n 3's

    • B. 

      Flagalleted sperm

    • C. 

      Frond like leaves

    • D. 

      Double fertilization

    • E. 

      Aferdrin (sudafed)

  • 22. 
    Genus Gnetum occurs in the tropics of south america, africa and south east asia
    • A. 

      True

    • B. 

      False

  • 23. 
    Genus Welwitschia
    • A. 

      CAM PSN

    • B. 

      Lack roots and leaves

    • C. 

      Short stem, 2 leaves whole life

    • D. 

      Alternation of generations

    • E. 

      100+ years, some 1,000 yrs old

  • 24. 
    Pinus Strobles....(confiners)
    • A. 

      Vine like leaves

    • B. 

      Masts for english ships

    • C. 

      Has flagella

    • D. 

      Less resin

    • E. 

      Very resistant to decay

    • F. 

      Overharvested, lacks genetic diversity

  • 25. 
    Conifer resin is composed of...
    • A. 

      Tannins

    • B. 

      Turpentine(liquid)

    • C. 

      Vessel elements

    • D. 

      Rosin(waxy)

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