Practice Exam 3

Question 1

Which of the following devices is used to prevent excessive wear to a cable that is attached to anchoring hardware ?

a) cable aid
b) lag hook
c) ship auger
d) thimble

Answer 1

d) thimble

Question 2

What is the primary purpose of wound dressing?

a) protect against disease
b) reduce decay
c) prevent insect infestation
d) improve appearance

Answer 2

d) improve appearance

Question 3

Which type of bacteria is essential in the production of humus?

a) Proteobacteria
b) actinomycetes
c) nitrospirea
d) aquificae

Answer 3

b) actinomycetes

Question 4

The highly fertile area surrounding growing roots is called the

a) periderm
b) rhizosphere
c) macropore
d) substrate

Answer 4

b) rhizosphere

Question 5

What is the name for a group within a species that has one trait in complete distinction to the other members of the species and naturally breeds to that trait?

a) forma
b) subspecies
c) cultivar
d) variety

Answer 5

d) variety

Question 6

In which of these pruning techniques does the arborist cut the branch back to a relatively weak point?

a) heading cut
b) undercut
c) reduction cut
d) topping

Answer 6

a) heading cut

Question 7

At which of the following soil pH levels would iron be most available to plants?

a) 5
b) 6
c) 7
d) 8

Answer 7

a) 5

Question 8

How far away should an uninvolved worker stand for a tree that is being felled?

a) at least 2 tree lengths
b) at least 20 feet
c) at least one tree length
d) at least 10 feet

Answer 8

a) at least 2 tree lengths

Question 9

When installing a false crotch, which knot should be used to attach the block to the tree?

a) Blake’s hitch
b) tautline hitch
c) cow hitch
d) Prusik hitch

Answer 9

c) cow hitch

Question 10

Which of the following is an advantage of the bare-root trees sold by nurseries?

a) they are comparatively inexpensive
b) they are small
c) they are easy to transplant
d) all of these are advantages of bare-root trees

Answer 10

d) all of these are advantages of bare-root trees

Question 11

What type of drill bit should be used when installing hardware in a tree?

a) dowel
b) threaded rod
c) ship auger
d) wood spade

Answer 11

c) ship auger

Question 12

Which of the following risk assessment techniques provides the least information?

a) root collar excavation
b) visual tree assessment
c) decay testing
d) aerial canopy inspection

Answer 12

b) visual tree assessment

Question 13

In which direction should a chainsaw operator move if he or she loses control of the tree while felling?

a) 45 degrees to either side of a line opposite to the intended direction of fall
b) in a line opposite to the intended direction of fall
c) in a line perpendicular to the intended direction of fall
d) along the intended direction of the fall

Answer 13

a) 45 degrees to either side of a line opposite to the intended direction of fall

Question 14

Which of the following is not a standard part of the fertilizer analysis printed on the container?

a) potassium phosphate
b) soluble potash
c) phosphoric acid
d) total nitrogen

Answer 14

a) potassium phosphate

Question 15

The greenhouse effect is caused by excess amounts of _____ in the atmosphere

a) nitrogen
b) carbon
c) oxygen
d) helium

Answer 15

b) carbon

Question 16

Cytokinins are produced in the _____ but are crucial for the growth of the _____.

a) shoots, roots
b) roots, leaves
c) roots, shoots
d) shoots, trunk

Answer 16

c) roots, shoots

Question 17

When multiple cables are installed on the same limb, how much vertical space should there be between the sets of hardware?

a) at least 3’
b) the diameter of the base of the tree
c) a minimum of one branch diameter’s vertical space
d) a maximum of 3’

Answer 17

c) a minimum of one branch diameter’s vertical space

Question 18

What is the typical means of attaching common, seven-strand cable to hardware?

a) dead-end grips
b) cable stops
c) metal swages
d) eye splice

Answer 18

d) eye splice

Question 19

When removing a dead branch, where should the final cut be made?

a) just outside the collar of living tissue
b) a foot outside the collar of living tissue
c) just inside the collar of living tissue
d) a foot inside the collar of living tissue

Answer 19

a) just outside the collar of living tissue

Question 20

What is the name for a small aperture in the bark through which gases may travel?

a) follicle
b) ventricle
c) cuticle
d) lenticel

Answer 20

d) lenticel

Question 21

Why do the side plates are an arborist block extend beyond the sheaves?

a) to protect the hands of the arborist
b) to keep the line from slipping
c) to prevent abrasion of the line
d) to encourage smooth passage of the line

Answer 21

c) to prevent abrasion of the line

Question 22

What is the name of the process by which bare-root nursery stock is rapidly changed from dormancy to growth?

a) sweating
b) heating
c) springing
d) hardening

Answer 22

a) sweating

Question 23

The temporary housing of carbon dioxide in the wood and other tissues of a tree is known as

a) carbon sequestration
b) carbon stabilization
c) carbon retention
d) carbon collection

Answer 23

a) carbon sequestration

Question 24

A broad planting of the same species over a wide area is known as a

a) monoculture
b) permaculture
c) monocot
d) pathogen

Answer 24

a) monoculture

Question 25

In what type of climate is powdery mildew disease most prevalent? a) cool and wet b) cool and dry c) warm and wet d) warm and dry

Answer 25

d) warm and dry

Question 26

The chemicals that have an adverse effect on some herbivores and pathogens are known as a) anti-gibberellins b) actinomycetes c) auxin d) allelochemicals

Answer 26

d) allelochemicals

Question 27

Why should metal washers be used when installing cables with eye bolts or threaded rods? a) to prevent the bolt from being damaged b) to eliminate decay from the installation site c) to keep the nut from being pulled through the tree d) to reduce pest infestations

Answer 27

c) to keep the nut from being pulled through the tree

Question 28

When is the best time to apply a micronutrient spray to trees? a) just before a period of heavy growth b) at the beginning of winter c) at dusk d) immediately after transplantation

Answer 28

a) just before a period of heavy growth

Question 29

In the CTLA trunk formula method, what is the primary determinant of a tree's value? a) location b) health c) size d) foliage

Answer 29

c) size

Question 30

In what arrangement are the leaflets of a compound leaf placed along a single stem, but with a petiolule for each leaflet? a) bipalmate b) bipinnate c) pinnate d) palmate

Answer 30

c) pinnate

Question 31

What is the most popular climbing hitch for climbers in the United States? a) Blake's hitch b) tautline hitch c) midline clove hitch d) endline clove hitch

Answer 31

b) tautline hitch

Question 32

In most living trees, which of the following is dead? a) sapwood b) cambium c) heartwood d) xylem

Answer 32

c) heartwood

Question 33

What is the minimum tensile strength for the snaps and carabiners used in climbing?? a) 500 pounds b) 1000 pounds c) 5000 pounds d) 10,000 pounds

Answer 33

c) 5000 pounds

Question 34

Frass is a combination of insect waste and a) sawdust b) sap c) pollen d) soil

Answer 34

a) sawdust

Question 35

What does the acronym CODIT stand for? a) Cover of Damage in Trees b) Compartmentalization of Decay in Trees c) Containment of Detritus in Trees d) Core of Disease in Trees

Answer 35

b) Compartmentalization of Decay in Trees

Question 36

If a tree has an especially large diameter, how should the hinge be adjusted? a) it should be smaller b) it should be larger c) it should be deeper d) it does not need to be adjusted

Answer 36

a) it should be smaller

Question 37

What type of mold is based on the liquid waste of mealybugs? a) dusty mold b) black mold c) sooty mold d) white mold

Answer 37

c) sooty mold

Question 38

What number of needles is NOT commonly found in a pine fascicle sheath? a) two b) three c) four d) five

Answer 38

c) four

Question 39

Which of the following types of rope always has a cover and a core? a) three-strand rope b) 12-strand rope c) kernmantle d) all of these always have a cover and a core

Answer 39

c) kernmantle

Question 40

Which of the following is a typical concentration for slow-release supplemental nitrogen fertilizers used under normal conditions? a) 4 pounds of nitrogen per 1000 square feet of root area b) 40 pounds of nitrogen per 1000 square feet of root area c) 10 pounds of nitrogen per 1000 square feet of root area d) 100 pounds of nitrogen per 1000 square feet of root area

Answer 40

a) 4 pounds of nitrogen per 1000 square feet of root area