1|Page
Louisiana Arborist Exam |
Comprehensive Q&A For Certification
Success
Which layer of cells is responsible for outward trunk growth and increased girth of
a tree?-correct-answer-Cambium
Mycorrhizae are:
a) collar-rot fungi.
b) elongated underground stems producing sucker sprouts.
c) a symbiotic relationship between fungi and roots.
d) cells in which photosynthesis takes place.-correct-answer-C
What is the classification of plants called?-correct-answer-Taxonomy
List the levels of plant classification.-correct-answer-Kingdom, Phylum, Class,
Order, Family, Genus, Specific Epithet (KPCOFGS)
,2|Page
What are vascular plants whose seeds are covered (by an ovary) called?-correct-
answer-Angiosperms
What are vascular plants with "naked seeds" called?-correct-answer-Gynosperms
What is the group of plants called that grasses, banana and palm trees belong to,
which have only one seed leaf?-correct-answer-Monocotyledons (monocots)
What is the naming of things called?-correct-answer-Nomenclature
Name five plant characteristics used to identify trees.-correct-answer-Form or
growth habit, bark texture, leaves, flowers, fruit, seed, buds, leaf scars, scent.
How many buds will a compound leaflet with multiple leaflets have?-correct-
answer-One
In the scientific name Acer saccharum, what does Acer identify and what does
saccharum identify?-correct-answer-Acer identifies the genus and saccharum
identifies the specific epithet.
,3|Page
What can species be subdivided into when they have distinct differences in from
the general species?-correct-answer-varieties and cultivars
What is a cultivated variety of plant called?-correct-answer-cultivar
When two leaves and /or buds are located at the same node on a twig, what is the
arrangement called?-correct-answer-Opposite
Which genus of tree does not have an opposite leaf arrangement?
a) Acer (maples)
b) Fraximus (ash)
c) Quercus (oaks)
d) Cornus (dogwoods)-correct-answer-C
Which conifers have needles in bundles?
a) hemlocks
b) firs
c) pines
, 4|Page
d) spruces-correct-answer-C
Soil can hold water in microspores that the ability of tree roots to absorb the
water is restricted.-correct-answer-True
What is the soil property called that resists changes to pH?-correct-answer-
Buffering capacity
Negatively charged clay particles hold cations near the surface.-correct-answer-
True
Over time, mulching can improve soil structure, reduce compaction, and add
organic matter to the soil.-correct-answer-True
A pH of 5 is how many more time acidic than a pH of 7?-correct-answer-100 times
What is the process called where ions of essential elements wash down through
the soil profile and are lost?-correct-answer-Leaching
Louisiana Arborist Exam |
Comprehensive Q&A For Certification
Success
Which layer of cells is responsible for outward trunk growth and increased girth of
a tree?-correct-answer-Cambium
Mycorrhizae are:
a) collar-rot fungi.
b) elongated underground stems producing sucker sprouts.
c) a symbiotic relationship between fungi and roots.
d) cells in which photosynthesis takes place.-correct-answer-C
What is the classification of plants called?-correct-answer-Taxonomy
List the levels of plant classification.-correct-answer-Kingdom, Phylum, Class,
Order, Family, Genus, Specific Epithet (KPCOFGS)
,2|Page
What are vascular plants whose seeds are covered (by an ovary) called?-correct-
answer-Angiosperms
What are vascular plants with "naked seeds" called?-correct-answer-Gynosperms
What is the group of plants called that grasses, banana and palm trees belong to,
which have only one seed leaf?-correct-answer-Monocotyledons (monocots)
What is the naming of things called?-correct-answer-Nomenclature
Name five plant characteristics used to identify trees.-correct-answer-Form or
growth habit, bark texture, leaves, flowers, fruit, seed, buds, leaf scars, scent.
How many buds will a compound leaflet with multiple leaflets have?-correct-
answer-One
In the scientific name Acer saccharum, what does Acer identify and what does
saccharum identify?-correct-answer-Acer identifies the genus and saccharum
identifies the specific epithet.
,3|Page
What can species be subdivided into when they have distinct differences in from
the general species?-correct-answer-varieties and cultivars
What is a cultivated variety of plant called?-correct-answer-cultivar
When two leaves and /or buds are located at the same node on a twig, what is the
arrangement called?-correct-answer-Opposite
Which genus of tree does not have an opposite leaf arrangement?
a) Acer (maples)
b) Fraximus (ash)
c) Quercus (oaks)
d) Cornus (dogwoods)-correct-answer-C
Which conifers have needles in bundles?
a) hemlocks
b) firs
c) pines
, 4|Page
d) spruces-correct-answer-C
Soil can hold water in microspores that the ability of tree roots to absorb the
water is restricted.-correct-answer-True
What is the soil property called that resists changes to pH?-correct-answer-
Buffering capacity
Negatively charged clay particles hold cations near the surface.-correct-answer-
True
Over time, mulching can improve soil structure, reduce compaction, and add
organic matter to the soil.-correct-answer-True
A pH of 5 is how many more time acidic than a pH of 7?-correct-answer-100 times
What is the process called where ions of essential elements wash down through
the soil profile and are lost?-correct-answer-Leaching
