Louisiana Horticulture Test Study Guide Comprehensive Questions
with Detailed Answers Latest Update 2025
What is the difference between a cultivar and variety?
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?
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?
So that you can communicate with others without confusion about the
identity of a plant
What are some origins of botanical names?
Country of origin, Names of Explorers, and Descriptive Latin Terms
What are some typical groupings for plants when they are classified by
growth characteristics?
Life Span, Leaf Retention, Growth Habits, Light, Size
List the functions of a root system.
Absorption, Anchorage, Conduction, Storage
What are two kinds of root systems?
Fibrous and Taproot
List the functions of the stem of a plant.
Support; Conduction; Storage
, Louisiana Horticulture Test Study Guide Comprehensive Questions
with Detailed Answers Latest Update 2025
Define xylem and phloem.
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?
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?
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.
Bulbs; Corms; Rhizomes; Tubers; Tuberous Roots
What are the two main functions of leaves?
Photosynthesis and Transpiration
Define angiosperms and gymnosperms.
Angiosperms- plants that bloom and develop fruit which encloses the
seed
Gymnosperms- plants that have no true flowers or fruit, but make seeds
in cones
List the parts of a complete flower.
Stamen(Anther & Filament)
Pistil(Stilma; Style; Ovary)
with Detailed Answers Latest Update 2025
What is the difference between a cultivar and variety?
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?
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?
So that you can communicate with others without confusion about the
identity of a plant
What are some origins of botanical names?
Country of origin, Names of Explorers, and Descriptive Latin Terms
What are some typical groupings for plants when they are classified by
growth characteristics?
Life Span, Leaf Retention, Growth Habits, Light, Size
List the functions of a root system.
Absorption, Anchorage, Conduction, Storage
What are two kinds of root systems?
Fibrous and Taproot
List the functions of the stem of a plant.
Support; Conduction; Storage
, Louisiana Horticulture Test Study Guide Comprehensive Questions
with Detailed Answers Latest Update 2025
Define xylem and phloem.
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?
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?
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.
Bulbs; Corms; Rhizomes; Tubers; Tuberous Roots
What are the two main functions of leaves?
Photosynthesis and Transpiration
Define angiosperms and gymnosperms.
Angiosperms- plants that bloom and develop fruit which encloses the
seed
Gymnosperms- plants that have no true flowers or fruit, but make seeds
in cones
List the parts of a complete flower.
Stamen(Anther & Filament)
Pistil(Stilma; Style; Ovary)
