Area 1 Envirothon

Envirothon 2007

Wood County

Forestry Station


Site Specific Forestry Questions


  1. Identify tree # 4

A.                 green ash

B.                 boxelder

C.                American elm

D.                honeylocust


  1. Which tree is vulnerable to Dutch Elm Disease (DED)?

A.                 # 1

B.                 # 2

C.                # 3

D.                # 4


  1. The classification of this forest ecosystem is…..

A.                 swamp

B.                 mesic

C.                dry mesic

D.                riparian floodplain


  1. What is the diameter at breast height (DBH) of the tree # 4 (to nearest one inch)?

A.                 12

B.                 13

C.                14

D.                15


  1.  What is this tree’s circumference?

A.                 15 x 3.14159

B.                 14 x 3.14159

C.                13 x 3.14159

D.                12 x 3.14159


  1. Of the four trees marked, which two are not members of the family Ulmaceae?

A.                 1 & 2

B.                 2 & 4

C.                3 & 4

D.                1 & 3  


  1. An exotic invasive species plaguing this woodlot is…..

A.                 grape

B.                 bush honeysuckle

C.                blackberry

D.                grass


  1. Which one of the four marked trees produces a berry fruit (drupe) that is favored by birds and small rodents?

A.                 # 1

B.                 # 2

C.                # 3

D.                # 4


  1. Identify tree # 2

A.                 American elm

B.                 hackberry

C.                American beech

D.                honeylocust


  1. Of the four marked trees, which one is at risk for EAB infestation?

A.                 # 1

B.                 # 2

C.                # 3

D.                # 4


General Forestry Related Questions:


  1. An example of a hard mast producing tree is

A.                 white ash

B.                 silver maple

C.                shagbark hickory

D.                American basswood


  1. Which of the following is not a beneficial type of tree root?

A.                 tap

B.                 feeder

C.                sinker

D.                girdling


  1. Today, what is the percent of forest cover in Ohio?

A.                 25%

B.                 33%

C.                50%

D.                75%


  1. A parasitic plant native to Ohio is

A.                 Spanish moss

B.                 mistletoe

C.                multiflora-rose

D.                honeysuckle


  1. An example of a timber stand improvement technique is

A.                 clear-cut

B.                 tree planting

C.                invasive species control

D.                removing fallen debris from understory


  1. A cull tree by applied forestry definition is a tree….

A.                 with a cavity in its trunk

B.                 with less than 50 percent sound/merchantable wood

C.                with less than 1 log of sound wood

D.                with a lightning scar on main trunk


  1. A gymnosperm native to Ohio is

A.                 white oak

B.                 northern red oak

C.                Virginia pine

D.                loblolly pine


  1. The purpose of crop tree release in a densely-stocked young pole stand is to….

A.                 Harvest only the valuable species for such purposes as firewood and fenceposts.

B.                 Allow for sunlight to reach the forest floor in order to allow seedlings a chance to receive sunlight.

C.                Harvest as much merchantable timber before an imminent invasive species comes along and kills many of the trees.

D.                Open up more growing space for young, desirable trees so that they can grow faster and healthier.


  1. The site index of a tree at 50 years is 70, what does 70 refer to?

A.                 age of the tree

B.                 average age of that species in the entire stand

C.                diameter of the tree

D.                 height of the tree


  1. Natural substances within trees which give them their unique scent that insects and mammals can easily detect are known as

A.                 pollens

B.                 creosotes

C.                volatile organic compounds

D.                bacteria


  1. A tree with a DBH of 10.50 inches is included in what commercial size class?

A.                 seedling class

B.                 sapling class

C.                pole class

D.                sawtimber class


  1. Which of the following tree components largely transports water and nutrients throughout a tree’s vascular system?

A.                 bark

B.                 cambium

C.                heartwood

D.                xylem 


  1. What percentage best represents the average amount of a tree’s feeder roots located within the first 12 inches of soil?

A.                 25%

B.                 50%

C.                66%

D.                90%


  1. Crop-tree release should be performed in dense stands of trees that are between ______ and ______ feet tall.

A.                 10, 15

B.                 25, 30

C.                45, 50

D.                55, 60


  1. An exotic invasive tree plaguing Ohio’s woodlands is…..

A.                 black locust

B.                 red maple

C.                ailanthus

D.                honeylocust


  1. Which of the following is not a form of sustainable timber harvesting?

A.                 Clear-cutting

B.                 Slash and burn

C.                Selection

D.                Shelterwood


  1. An example of a gymnosperm is

A.                 cactus

B.                 shagbark hickory

C.                black raspberry

D.                eastern white pine


  1. Ohio’s only National Forest is

A.                 Hoosier National Forest

B.                 Hocking National Forest

C.                Cuyahoga Valley National Forest

D.                Wayne National Forest


  1. According to best management practices (BMPs) for logging operations in Ohio, it is recommended that timber harvesting should not be done within _______ feet on either side of a stream, creek, river, or wetland.

A.                 25

B.                 50

C.                75

D.                100


Test Key