1. Which part of the plant name Gleditsia triacanthos “Sunburst” denotes the cultivar?
  1. Gleditsia
  2. triacanthos
  3. ‘Sunburst’
  4. Gleditsia triacanthos


  1. Yellow coloration of a leaf caused by nutritional failure, disease or other causes is called:
  1. Necrosis
  2. Damping off
  3. Mutation
  4. Chlorosis


  1. In a 20 lb. bag of 10-10-10 general-purpose plant food the actual content of the three main ingredients in the mixture would be:
  1. 3 pounds each
  2. 6.33 pounds each
  3. 2 pounds each
  4. 5 pounds each


  1. In the trunk and branches of woody plants the
    __ forms the xylem and phloem.
  1. Cotyledons
  2. Chlorophyll
  3. Glucose
  4. Cambium


  1. The planting hole for the tree should be 2-3 times the diameter and 2 times the depth of the root ball
  1. True
  2. False


  1. A good rule of thumb for cutting a lawn is to never remove more than:
  1. One half of the leaf blade per mowing
  2. One third of the leaf blade per mowing
  3. Two thirds of the leaf blade per mowing
  4. 75% of the leaf blade per mowing
  5. 10% of the leaf blade per mowing


  1. The main cause of accidents is:
  1. Machine failure
  2. Site hazards
  3. Distraction
  4. Human error


  1. Residential landscape design in comprised of divisions called:
  1. Service, garden, access
  2. Private, service, public
  3. Public, lawn, private


  1. According to landscape contract specifications topsoil should be tested by a recognized laboratory for pH and soluble salts.
  1. True
  2. False


  1. Groundcovers are used in ‘sustainable’ landscaping to:
  1. Replace lawn areas
  2. Reduce weeds along pathways
  3. Blend edge environments and transition areas
  4. All of the above

Answers 3,4,3,4,2,2,4,2,1,4

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