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Louisiana Horticulture Test Study Guide
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Louisiana Horticulture Test Study Guide
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LOUISIANA HORTICULTURE TEST STUDY GUIDEWhat is the difference between a cultivar and variety? - Answers-Cultivar- A plant or
grouping of plants selected for desirable characteristics that can be maintained by
propagation
Variety- A naturally occurring subgroup of a species which has some distinguishing
characters
Who is Linnaeus? What system of naming plants did he create? - Answers-Linnaeus is
a Swedish Botanist who developed the Binomial System of Nomenclature(Genus +
Species)
Why is it important to know common and scientific names of plants? - Answers-So that
you can communicate with others without confusion about the identity of a plant
What are some origins of botanical names? - Answers-Country of origin, Names of
Explorers, and Descriptive Latin Terms
What are some typical groupings for plants when they are classified by growth
characteristics? - Answers-Life Span, Leaf Retention, Growth Habits, Light, Size
List the functions of a root system. - Answers-Absorption, Anchorage, Conduction,
Storage
What are two kinds of root systems? - Answers-Fibrous and Taproot
List the functions of the stem of a plant. - Answers-Support; Conduction; Storage
Define xylem and phloem. - Answers-xylem- the transport vessel for water and minerals
from root to leaf
phloem- the transport vessel for manufactured food from leaf to stem
What is the difference between monocots and dicots? - Answers-monocots- plants that
have a single seed leaf(corn; grass; lilly)
dicots- plants that have two seed leaves(trees; shrubs; annuals)
What are nodes and internodes? - Answers-nodes- the area on stems where leaves
emerge
internodes- the area on stems in between where leaves emerge
List the types of specialized stems and roots commonly found in plants. - Answers-
Bulbs; Corms; Rhizomes; Tubers; Tuberous Roots
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