1|Page
LOUISIANA ARBORIST EXAM LATEST 2025/2026 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
List the levels of plant classification. - ANSWER-Kingdom,
Phylum, Class, Order, Family, Genus, Specific Epithet
(KPCOFGS)
What are vascular plants whose seeds are covered (by an ovary)
called? - ANSWER-Angiosperms
What are vascular plants with "naked seeds" called? - ANSWER-
Gynosperms
What is the group of plants called that grasses, banana and palm
trees belong to, which have only one seed leaf? - ANSWER-
Monocotyledons (monocots)
What is the naming of things called? - ANSWER-Nomenclature
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Name five plant characteristics used to identify trees. - 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? - ANSWER-One
In the scientific name Acer saccharum, what does Acer identify
and what does saccharum identify? - ANSWER-Acer identifies the
genus and saccharum identifies the specific epithet.
What can species be subdivided into when they have distinct
differences in from the general species? - ANSWER-varieties and
cultivars
What is a cultivated variety of plant called? - ANSWER-cultivar
When two leaves and /or buds are located at the same node on a
twig, what is the arrangement called? - ANSWER-Opposite
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Which genus of tree does not have an opposite leaf
arrangement?
a) Acer (maples)
b) Fraximus (ash)
c) Quercus (oaks)
d) Cornus (dogwoods) - ANSWER-C
Which conifers have needles in bundles?
a) hemlocks
b) firs
c) pines
d) spruces - ANSWER-C
Soil can hold water in microspores that the ability of tree roots to
absorb the water is restricted. - ANSWER-True
What is the soil property called that resists changes to pH? -
ANSWER-Buffering capacity
, 4|Page
Negatively charged clay particles hold cations near the surface. -
ANSWER-True
Over time, mulching can improve soil structure, reduce
compaction, and add organic matter to the soil. - ANSWER-True
A pH of 5 is how many more time acidic than a pH of 7? -
ANSWER-100 times
What is the process called where ions of essential elements wash
down through the soil profile and are lost? - ANSWER-Leaching
What are the positively charges particles called that are formed
from essential elements dissolved in soil water? - ANSWER-
Cations
Iron and manganese may be in a chemical form that is
unavailable to trees if the pH level is too alkaline. - ANSWER-True
LOUISIANA ARBORIST EXAM LATEST 2025/2026 ACTUAL EXAM
WITH COMPLETE QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS) |ALREADY GRADED A+| ||PROFESSOR
VERIFIED|| ||BRANDNEW!!!||
List the levels of plant classification. - ANSWER-Kingdom,
Phylum, Class, Order, Family, Genus, Specific Epithet
(KPCOFGS)
What are vascular plants whose seeds are covered (by an ovary)
called? - ANSWER-Angiosperms
What are vascular plants with "naked seeds" called? - ANSWER-
Gynosperms
What is the group of plants called that grasses, banana and palm
trees belong to, which have only one seed leaf? - ANSWER-
Monocotyledons (monocots)
What is the naming of things called? - ANSWER-Nomenclature
,2|Page
Name five plant characteristics used to identify trees. - 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? - ANSWER-One
In the scientific name Acer saccharum, what does Acer identify
and what does saccharum identify? - ANSWER-Acer identifies the
genus and saccharum identifies the specific epithet.
What can species be subdivided into when they have distinct
differences in from the general species? - ANSWER-varieties and
cultivars
What is a cultivated variety of plant called? - ANSWER-cultivar
When two leaves and /or buds are located at the same node on a
twig, what is the arrangement called? - ANSWER-Opposite
,3|Page
Which genus of tree does not have an opposite leaf
arrangement?
a) Acer (maples)
b) Fraximus (ash)
c) Quercus (oaks)
d) Cornus (dogwoods) - ANSWER-C
Which conifers have needles in bundles?
a) hemlocks
b) firs
c) pines
d) spruces - ANSWER-C
Soil can hold water in microspores that the ability of tree roots to
absorb the water is restricted. - ANSWER-True
What is the soil property called that resists changes to pH? -
ANSWER-Buffering capacity
, 4|Page
Negatively charged clay particles hold cations near the surface. -
ANSWER-True
Over time, mulching can improve soil structure, reduce
compaction, and add organic matter to the soil. - ANSWER-True
A pH of 5 is how many more time acidic than a pH of 7? -
ANSWER-100 times
What is the process called where ions of essential elements wash
down through the soil profile and are lost? - ANSWER-Leaching
What are the positively charges particles called that are formed
from essential elements dissolved in soil water? - ANSWER-
Cations
Iron and manganese may be in a chemical form that is
unavailable to trees if the pH level is too alkaline. - ANSWER-True
