Calculation of Drug Dosages 12th Edition
By Sheila Ogden, Linda
Fluharty|9780323826228| All Chapters
1-19| LATEST
Q1. In the scientific name Acer rubrum L., what does the "L." stand
for?
A) The variety name
B) The abbreviation for Linnaeus, the botanist who first described
the species
C) The Latin name for "leaf"
D) The cultivar designation
Answer: B) The abbreviation for Linnaeus, the botanist who
first described the species
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Rationale: The "L." (or "Linn.") is the standard botanical author
abbreviation for Carl Linnaeus, the father of modern taxonomy
who established the binomial naming system.
Q2. What is the correct format for writing a plant cultivar name?
A) Cornus florida rubra
B) Cornus florida 'Rubra'
C) Cornus florida "Rubra"
D) CORNUS FLORIDA RUBRA
Answer: B) Cornus florida 'Rubra'
Rationale: Cultivar names are written in Roman type (not
italicized), enclosed in single quotation marks, and capitalized.
The genus and species are italicized.
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Q3. The term "hybrid" in plant nomenclature is correctly
indicated by which symbol?
A) ×
B) +
C) *
D) #
Answer: A) ×
Rationale: The multiplication sign (×) is used to indicate a hybrid
between two species or genera, e.g., Magnolia ×
soulangeana (hybrid magnolia).
Q4. A plant with the scientific name Quercus alba belongs to
which family?
A) Aceraceae (Maple family)
B) Fagaceae (Beech family)
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C) Rosaceae (Rose family)
D) Oleaceae (Olive family)
Answer: B) Fagaceae (Beech family)
Rationale: Quercus (oaks) is in the Fagaceae family, which
includes oaks, beeches, and chestnuts.
Q5. What does the "var." abbreviation stand for in plant
nomenclature?
A) Variety — a naturally occurring taxonomic rank below
species
B) Very rare
C) Vertical growth habit
D) Variegated foliage
Answer: A) Variety — a naturally occurring taxonomic rank
below species