Louisiana Horticulture Test Study Guide
Questions with correct answers
What is the difference between a cultivar and variety? - ANSWER-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? - ANSWER-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? - ANSWER-So that you can
communicate with others without confusion about the identity of a plant
What are some origins of botanical names? - ANSWER-Country of origin, Names of Explorers, and
Descriptive Latin Terms
What are some typical groupings for plants when they are classified by growth characteristics? -
ANSWER-Life Span, Leaf Retention, Growth Habits, Light, Size
List the functions of a root system. - ANSWER-Absorption, Anchorage, Conduction, Storage
What are two kinds of root systems? - ANSWER-Fibrous and Taproot
List the functions of the stem of a plant. - ANSWER-Support; Conduction; Storage
Define xylem and phloem. - ANSWER-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? - ANSWER-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? - ANSWER-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. - ANSWER-Bulbs; Corms;
Rhizomes; Tubers; Tuberous Roots
What are the two main functions of leaves? - ANSWER-Photosynthesis and Transpiration
Define angiosperms and gymnosperms. - ANSWER-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. - ANSWER-Stamen(Anther & Filament)
Pistil(Stilma; Style; Ovary)
Petal
Sepal
Locule
Ovule
Placenta
Receptacle
Peduncle
Questions with correct answers
What is the difference between a cultivar and variety? - ANSWER-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? - ANSWER-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? - ANSWER-So that you can
communicate with others without confusion about the identity of a plant
What are some origins of botanical names? - ANSWER-Country of origin, Names of Explorers, and
Descriptive Latin Terms
What are some typical groupings for plants when they are classified by growth characteristics? -
ANSWER-Life Span, Leaf Retention, Growth Habits, Light, Size
List the functions of a root system. - ANSWER-Absorption, Anchorage, Conduction, Storage
What are two kinds of root systems? - ANSWER-Fibrous and Taproot
List the functions of the stem of a plant. - ANSWER-Support; Conduction; Storage
Define xylem and phloem. - ANSWER-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? - ANSWER-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? - ANSWER-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. - ANSWER-Bulbs; Corms;
Rhizomes; Tubers; Tuberous Roots
What are the two main functions of leaves? - ANSWER-Photosynthesis and Transpiration
Define angiosperms and gymnosperms. - ANSWER-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. - ANSWER-Stamen(Anther & Filament)
Pistil(Stilma; Style; Ovary)
Petal
Sepal
Locule
Ovule
Placenta
Receptacle
Peduncle
