1031-test2-A

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Author:
nthomas
ID:
9731
Filename:
1031-test2-A
Updated:
2010-03-09 04:48:12
Tags:
biol 1031
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Description:
TEST 2 - version 1 A
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  1. What cells produces the 2 sperm cells involved in double fertilization of angiosperms?


    generative cell
  2. In a flower the whorls of petals and sepals are collectively known as the
    perianth
  3. double fertilization in angiosperm involves 2 sperm cells fusing with
    1 egg and 2 polar nuclei
  4. seeds such as peanuts, in which the cotyledons have absorbed the endosperm, are called
    exalbuminous
  5. pericap normally develops from what kind of tissue
    ovary wall
  6. if the pericarp develops from tissue other than the normal, the fruit would be called
    accessory
  7. white or blue flowers with nectar guides and landing platforms are likely to be pollinated by:
    bees
  8. which of the following stages would appear earliest in plant embryonic development
    globular stage
  9. initial cells are
    capable of continued meristematic activity
  10. The opening in a stoma is surrounded by
    guard cells
  11. Epigeous is best defined as
    germintation with cotyledons appearing above ground
  12. The collective term for all male parts in a flower
    androecium
  13. An areas between cells consisting of calcium pectate mainly in parencyma tissue
    middle lamella
  14. dead and lignified at maturity, short and branched
    sclereid
  15. pits and perforations
    vessel member
  16. alive and capable of division at maturity
    parenchyma
  17. alive at maturity but lacking many organelles and incapable of division
    sieve tube member
  18. pits but no perforations
    tracheid
  19. seeds such as corn in which the endosperm surrounds the mebryo are called
    albuminous
  20. An inflorescence with disc flowers and ray flowers
    composite head
  21. In a flower, fusion of like parts (parts within a single whorl) is called
    connation
  22. How does an angiosperm life cycle differ from a gymnosperm life cycle? ( In other words, which of the following is true of angiosperms but not gymnosperms?)
    double fertilization
  23. in the seedless vascular plants
    the gametophyte is small and often attached to the dominant sporophyte
  24. The strange desert plant Welwitschia and ephedra
    Gnetophyta
  25. How many cells are there in a mature male gametophyte of longleaf pine and other conifers
    4
  26. Angiosperm seed coats develop from what kind of tissue
    integuments
  27. In a flower, the whorl of carpels is known as the
    gynoceium
  28. In a meristem, initial cells are
    capable of continued meristematic activity
  29. In which plant phylum do you find homosporous and heterospores club "mosses"
    Lycophyta
  30. A flower with both androecium and gymnoecium but lacking in calyx and corolla is
    perfect but incomplete
  31. Flowers with no perianth or nectar are likely to be pollinated by
    wind
  32. The cortex of stems and roots and the fleshy part of fruits, consist mainly of
    parencyma cells
  33. vascular plants with no true leaves or roots and dichotomously branching stems
    Psilophyta
  34. Name the phylum of short dioecious and palm-like plants
    cycadophyta
  35. name the phylum of flowering plants
    anthophyta
  36. In which plant phylum is there only a single living species
    Ginkgophyta
  37. A cluster of sporophylls is called a(n)
    strobilus
  38. How many cells are there in a mature megagametophyte of an angiosperm
    7
  39. The fleshy portion of a Ginkgo seed is the
    seed coat
  40. Embryonic
    cotyledons
  41. Whorls of tiny scale-like leaves encircle the nodes of hollow scilla-toughened stems in members of
    arthrophyta
  42. a dry dehiscent fruit that splits along 2 sides
    legume
  43. Red tubular flowers with little or no odor but large amounts of nutrious nectar are likely to be pollinated by
    hummingbirds
  44. Also known as stone fruit
    drupe
  45. A strobilus can be secribed as a cluster of
    sporophylls
  46. which of the following is a word that means changing shape or position with changing humidity
    hygroscopic
  47. Structures in a moss capsule which aid in spore dispersal
    peristome teeth
  48. tress which drop their leaves in fall are
    deciduous
  49. Which of the following terrestrial adaptions is seen in most seedless vascular plants
    dominant sporophyte
  50. The flap that forms the cover of a fern sorus
    indusium

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