Core Biology final part 3 of 4

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  1. This may provide protection from predators and/ or UV radiation
    A) secondary compounds
    B) alternation of generation
    C) cutical 
    D) tracheids and phloem
    A) secondary compounds
    (this multiple choice question has been scrambled)
  2. The following characteristics all helped seedless plants become better adapted to land except 
    A) a branched body form 
    B) a waxy cuticle
    C) vascular tissue
    D) a dominant gametophyte
    E) stomata onleaves
    D) a dominant gametophyte
    (this multiple choice question has been scrambled)
  3. The following are all adaptations to life on land except
    A) cuticles
    B) rings of cellulose-synthesized complexes
    C) tracheid and vessel element cells
    D) reduced gametophyte generation
    E) seeds
    B) rings of cellulose-synthesized complexes
    (this multiple choice question has been scrambled)
  4. Which of the following provide evidence that charophytes are the closest algal relatives of plants?
    A) genetic similarities in chloroplasts
    B) similarities in protein complexes that synthesize cellulose
    C) use of chlorophyll a and b in chloroplasts
    D) similar sperm structure 
    E) all of the above
    E) all of the above
  5. Bryophytes have all of the following characteristics except 
    A) milticellularity
    B) a reduced dependent sporophyte
    C) flagelated sperm
    D) spores produced in sporangia
    E) lignified vascular tissue
    E) lignified vascular tissue
    (this multiple choice question has been scrambled)
  6. Which of the following is true of the life cycle of mosses?
    A) the haploid generation grows on the sporophyte generation
    B) the sporophyte generation is dominant 
    C) spores are primarily distributed by water currents
    D) the growing diploid embryo produces gametes
    E) Antheridia and archegonia are produced by gametophytes
    E) Antheridia and archegonia are produced by gametophytes
    (this multiple choice question has been scrambled)
  7. In the primitive plants, which of the following are produced by meiosis?
    A) haploid spores
    B) haploid sporophytes
    C) diploid gametes
    D) haploid gametes
    E) diploid spores
    A) haploid spores
    (this multiple choice question has been scrambled)
  8. In addition to seeds which of the following characteristics are unique to the seed producing plants?
    A) megaphylls
    B) pollen
    C) sporpollenin
    D) lignin present in cell walls
    E) use of air currents as a dispersal agent
    B) pollen
    (this multiple choice question has been scrambled)
  9. Which group is noted for the complete independence of gametophyte and sporophyte generations from each other?
    A) angiosperms
    B) mosses, hornworts, and liverworts
    C) gymnosperms
    D) charophytes
    E) fern
    E) fern
    (this multiple choice question has been scrambled)
  10. Microphylls are characteristic of which types of plants 
    A) mosses
    B) hornworts 
    C) lycophytes
    D) ferns 
    E) liverworts
    C) lycophytes
    (this multiple choice question has been scrambled)
  11. The main way that pine trees disperse their offspring is by using 
    A) flagellated sperm swimming through water
    B) squirrels to bury fallen cones
    C) fruits that are eaten by animals
    D) windblown seeds
    E) spores
    D) windblown seeds
    (this multiple choice question has been scrambled)
  12. What is true of stamens, sepals, petals, carpels, cactus spines, and pinecone scales?
    A) they are found on angiosperms
    B) they are modified leaves
    C) they are female reproductive parts
    D) None are capable of photosynthesis
    E) they are found on flowers 
    B) they are modified leaves
    (this multiple choice question has been scrambled)
  13. Which structure is common to both gymnosperms and angiosperms?
    A) carpel
    B) stigma 
    C) ovule
    D) anthers
    E) ovary
    C) ovule
    (this multiple choice question has been scrambled)
  14. Which of the following is a characteristic of all angiosperms?
    A) carpels that contain microsporangia
    B) double fertilization
    C) free-living gametophytes
    D) ovules that are not contained within varies
    E) complete reliance on wind as the pollinating age 
    B) double fertilization
    (this multiple choice question has been scrambled)
  15. How have fruits contributed to the success of angiosperms?
    A) by nourishing the plants that make them 
    B) by producing triploid cells via double fertilization
    C) by producing sperms and eggs inside a protective coat
    D) by facilitating dispersal of seeds
    E) by attracting insects to the pollen inside
    D) by facilitating dispersal of seeds
    (this multiple choice question has been scrambled)
  16. Which of the following flower parts develops into a seed?
    A) ovule
    B) stamen
    C) ovary 
    D) style
    E) fruit 
    A) ovule
    (this multiple choice question has been scrambled)
  17. Which of the following is true concerning flowering plants?
    A) the gametophyte generation is what we see when looking at a large plant
    B) the sporophyte generation consists of relatively few cells within the flower
    C) the flower house gametophyte tissue
    D) gametophtye generation is dominant
    E) the sporophyte generation is not photosynthetic
    C) the flower house gametophyte tissue
    (this multiple choice question has been scrambled)
  18. The seed coat's most important function is to provide
    A) a nonstressful envirment for the microsporangium
    B) desiccation resistance
    C) limited dormancy
    D) the means for dispersal 
    E) a nutrient supply for the embryo
    B) desiccation resistance
    (this multiple choice question has been scrambled)
  19. Generally wind pollination is most likely to be found in flowering plants that grow
    A) along coastlines where prevailing winds blow from the land out to sea
    B) in dese, single-species stands
    C) close to the ground
    D) in well-drained soil
    E) in relative isolation from other members of the same species
    B) in dese, single-species stands
    (this multiple choice question has been scrambled)
  20. Which part of a plant absorbs most of the water and minerals taken up from the soil?
    A) storge roots
    B) woody taproots
    C) the thick parts of the root near the base of the stem
    D) sections of the root that have secondary xylem
    E) root hears
    E) root hears
    (this multiple choice question has been scrambled)
  21. CO2 enters the inner spaces of the leaf through the
    A) phloem
    B) walls of guard cells
    C) stoma
    D) xylem
    E) epidermal trichomes
    C) stoma
    (this multiple choice question has been scrambled)
  22. Which of the following are the water-conducting cells of xylem, have thick walls, and are dead at functional maturity?
    A) collenchyma cells
    B) parenchyma cells
    C) sieve-tube elements
    D) sclerenchyma cells
    E) tracheids and vessel elements 
    E) tracheids and vessel elements
    (this multiple choice question has been scrambled)
  23. Which of the following are sugar-transporting cells in angiosperms?
    A) clerenchyma cells
    B) tracheids and vessel elements
    C) collenchyma cells
    D) sieve-tube elements
    E) parenchyma cells
    D) sieve-tube elements
    (this multiple choice question has been scrambled)
  24. A plant has the following characteristics: a taproot system; many growth rings evident in a cross section of the stem, and a layer of bark around the outside. Which of the following best describes the plant?
    A) woody monocot 
    B) herbaceous monocot
    C) woody annual
    D) woody dicot
    E) herbaceous dicot
    D) woody dicot
    (this multiple choice question has been scrambled)
  25. Which of the following have extra thick, lignified walls that help support mature, non growing parts of the plant?
    A) collenchyma cells
    B) sieve-tube elements 
    C) sclerenchyma cells
    D) parenchyma cells
    E) tracheids and vessel elements
    C) sclerenchyma cells
    (this multiple choice question has been scrambled)
  26. A student examining leaf cross sections under a microsope finds many loosely packed cells with relatively thin cell walls. The cells have numerous chloroplasts. What type of cells are they?
    A) sclerenchyma
    B) xylem
    C) collenchyma
    D) endodermis
    E) parenchyma
    E) parenchyma
    (this multiple choice question has been scrambled)
  27. One important difference between the anatomy of roots and the anatomy of leaves is that 
    A) only leaves have phloem and only roots have xylem
    B) vascular tissue is found in roots but is absent from leaves
    C) leaves have epidermal tissue but roots do not
    D) the cells of roots have cell walls and leaf cells do not 
    E) a waxy cuticle covers leaves but is absent in roots 
    E) a waxy cuticle covers leaves but is absent in roots
    (this multiple choice question has been scrambled)
  28. All of the following has an effect on water potential in plants except:
    A) aquaporins
    B) physical pressure
    C) dissolved solutes 
    D) osmotic potentials
    E) DNA structure
    E) DNA structure
    (this multiple choice question has been scrambled)
  29. which of the following statement about xylem is incorrect?
    A) it conducts material within dead cells
    B) it transports mainly sugars and amino acids
    C) it conducts material upward
    D) No energy input from the plant is required for xylem transport 
    E) it has a lower water potential than soil does
    B) it transports mainly sugars and amino acids
    (this multiple choice question has been scrambled)
  30. What is the main force by which most of the water within xylem vessels moves toward the top of a tree?
    A) active transport of ions into the stele
    B) osmosis in the root
    C) negative root pressure 
    D) atmospheric pressure on roots
    E) evaporation of water through stoma
    E) evaporation of water through stoma
    (this multiple choice question has been scrambled)
  31. Guard cells do which of the following?
    A) guard against minerals loss through the stomata
    B) protect the endodermis
    C) accumulate K+ and close the stomata 
    D) contain chloroplasts that import K+ directly into the cells
    E) help balance the photosynthesis-transpiration compromise
    E) help balance the photosynthesis-transpiration compromise
    (this multiple choice question has been scrambled)
  32. Ploem transport of sucrose can be described as going from source to sink. which of the following would not normally function as a sink?
    A) shoot tip
    B) growing leaf
    C) storage organ in summer
    D) growing root 
    E) mature leaf
    E) mature leaf
    (this multiple choice question has been scrambled)
  33. Which of the following describes the fate of most of the water taken up by a plant?
    A) it is lost during transpiration 
    B) it is used as a hydrogen source in photosynthesis
    C) it makes cell elongation possible 
    D) it is used to keep cells turgid 
    E) it is used as a solvent 
    A) it is lost during transpiration
    (this multiple choice question has been scrambled)
  34. There are several properties of a soil in which typical plants would grow well of the following which would be the least conductive to plant growth?
    A) abundant humus
    B) high porosity 
    C) compacted clay soils
    D) high cation exchange capacity
    E) numerous soil organisms
    C) compacted clay soils
    (this multiple choice question has been scrambled)
  35. Most of the dry weight bulk of a plant is the result of uptake of 
    A) water and minerals through mycorrhizae
    B) CO2 through stomata in leaves
    C) carbohydrates in the root hairs and concentration in the root cortex
    D) O2 through stomata in leaves
    E) water and minerals through root hairs
    B) CO2 through stomata in leaves
    (this multiple choice question has been scrambled)
  36. Why does overwatering a plant kill it?
    A) water does not have all the necessary minerals a plant needs to grow 
    B) water lowers the water potential of the roots
    C) water supports the growth of root parasites
    D) the roots are deprived of oxygen 
    E) water neutralizes the pH of the soil
    D) the roots are deprived of oxygen
    (this multiple choice question has been scrambled)
  37. Nitrogen fixation is a process that 
    A) recycles nitrogen compounds from dead and decaying materials, and converts ammonia to ammonium
    B) release nitrate from the rock substrate
    C) converts ammonia to ammonium
    D) recycles nitrogen compounds from dead and decaying materials
    E) converts nitrogen gas into ammonia or nitrate molecules
    E) converts nitrogen gas into ammonia or nitrate molecules
    (this multiple choice question has been scrambled)
  38. what is mean by the term chlorosis?
    A) the uptake of the micronutrient chlorine by a plant
    B) a contamination of glassware in hydroponic culture 
    C) release of negatively charged minerals such as chloride from clay particles in soil 
    D) the yellowing pf leaves due to decreased chlorophyll production
    E) the formation of chlorophyll within the thylakoid membranes of a plant 
    D) the yellowing pf leaves due to decreased chlorophyll production
    (this multiple choice question has been scrambled)
  39. Which of the following best describes the general role of micronutrients in plants?
    A) they are cofactors in enzymatic reaction 
    B) they prevent chlorosis
    C) they are necessary for essential regulatory function
    D) they are components of nucleic acids
    E) they are necessary for the formation of cell walls
    A) they are cofactors in enzymatic reaction
    (this multiple choice question has been scrambled)
  40. Among important crop plants, nitrogen-fixing root nodules are most commonly an attribute of 
    A) cabbage and other members of the brassica family 
    B) corn
    C) legumes such as soy bean plants
    D) wheat 
    E) members of the potato family
    C) legumes such as soy bean plants
    (this multiple choice question has been scrambled)
  41. An example of a mutualistic association between a plant and a fungus would be 
    A) parasitic infection
    B) roots and soil mycorrhizae
    C) soil Rhizobium nitrogen fixation
    D) assisted pollination 
    E) Rhizobium infection
    B) roots and soil mycorrhizae
    (this multiple choice question has been scrambled)
  42. Location of ovary:
    A) petals
    B) sepals
    C) stamen 
    D) carpel
    E) receptacle
    D) carpel
    (this multiple choice question has been scrambled)
  43. Location of the microsporangia:
    A) petals 
    B) sepals
    C) stamen 
    D) receptacle
    E) carpel
    C) stamen
    (this multiple choice question has been scrambled)
  44. All of the following are primary functions of flowers except
    A) pollen production
    B) egg production
    C) meiosis
    D) photosynthesis
    E) sexual reproduction
    D) photosynthesis
    (this multiple choice question has been scrambled)
  45. which of the following types of plants is not able to self-pollinate?
    A) complete
    B) wind- pollination
    C) insect-pollinated
    D) monoecious 
    E) dioecious
    E) dioecious
    (this multiple choice question has been scrambled)
  46. What is the difference between pollination and fertilization in flowering plants?
    A) pollination easily occurs between plants of different species, fertilization is within species
    B) fertilization precedes pollination
    C) if fertilization occurs, pollination is unnecessary
    D) pollen is formed within megasporangia so that male and female gametes are near each other
    E) Pollination is the transfer of pollen from an anther to a stigma. Fertilization is the fusion of haploid nuclei
    E) Pollination is the transfer of pollen from an anther to a stigma. Fertilization is the fusion of haploid nuclei
    (this multiple choice question has been scrambled)
  47. In flowering plants pollen is released from the 
    A) filament
    B) pollen tube
    C) carpel
    D) stigma
    E) anther
    E) anther
    (this multiple choice question has been scrambled)
  48. which of the following part develops into the pulp of a a fleshy fruit?
    A) style 
    B) ovule
    C) ovary
    D) micropyle
    E) stigma
    C) ovary
    (this multiple choice question has been scrambled)
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Card Set
Core Biology final part 3 of 4
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Core Biology final part 3 of 4
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