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Homework answers / question archive / Pennsylvania State University TURF 100 Quiz #4 1)As mowing heights decrease rooting increases cultural intensity decreases texture increases density decreases density increases   Plant hormones are signal molecules that are produced in one location and transported to effect other locations within the plant

Pennsylvania State University TURF 100 Quiz #4 1)As mowing heights decrease rooting increases cultural intensity decreases texture increases density decreases density increases   Plant hormones are signal molecules that are produced in one location and transported to effect other locations within the plant

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Pennsylvania State University

TURF 100

Quiz #4

1)As mowing heights decrease

    1. rooting increases
    2. cultural intensity decreases
    3. texture increases
    4. density decreases
    5. density increases

 

  1. Plant hormones are signal molecules that are produced in one location and transported to effect other locations within the plant.
    1. TRUE
    2. FALSE

 

  1. The following are considered different kinds of “growth” hormones:
    1. pectins, cellulases
    2. cytokinins, auxins, gibberellins
    3. abscisic acid, ethylene
    4. brassinosteroids, jasmonates, traumic acid
    5. florigen, salicylates

 

  1. Which of the following represent the main structural parts of a grass tiller?
    1. shoot, roots, and crown
    2. leaf blades, leaf sheaths, and crown
    3. it’s a series of nodes and internodes
    4. leaves and roots
    5. auricles, ligules, and collar

 

  1. Which type of root system is most dominant in a mature stand of turf?
    1. primary
    2. seminal
    3. adventitious
    4. tap
    5. side

 

  1. Which part of the root controls geotropic curvature and produces a slime sheath?
    1. root hairs
    2. root caps
    3. root nodes
    4. endodermis
    5. cortex

 

  1. What are the two types of branching in turfgrass?
    1. circumferential and lateral
    2. wide and narrow
    3. bunch-type and stoloniferous
    4. intravaginal and extravaginal

 

    1. hemitosin and tosin

 

  1. Which type of branching is responsible for the production of tillers?
    1. circumferential
    2. narrow
    3. stoloniferous
    4. intravaginal
    5. hemitosin

 

  1. Which type of branching is responsible for the production of rhizomes?
    1. lateral
    2. narrow
    3. bunch-type
    4. extravaginal
    5. tosin

 

  1. Which of the following best describes the bladeless leaves found on rhizomes?
    1. phyllaform
    2. leafless blade
    3. sheathless blade
    4. photosynthetic
    5. cataphyll

 

 

  1. What two morphological traits distinguish bluegrasses from all other turfgrass species?
    1. the width of the tiller and the width of the leaf blade
    2. boat-shaped tip and train-track midribs
    3. the softness of the leaf blade and the surface appearance of the leaf surface
    4. the name “bluegrass” is reserved for only bluegrass species
    5. the presence of rhizomes and stolons

 

 

 

 

 

 

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