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Louisiana Horticulture Test Study Guide Exam Questions and Answers
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Louisiana Horticulture Test Study GuideExam Questions and Answers
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
-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)
Petal
Sepal
Locule
Ovule
Placenta
Receptacle
Peduncle
-List the priority in which plant parts receive food manufactured by the
leaves. - -1)Flower
2)Seed
3)Leaves
4)Stems
5)Roots
-List three primary elements for essential plant growth. - -Carbon;
Hydrogen; Oxygen
-List the three macronutrients essential for plant growth. - -Nitrogen;
Phosphorus; Potassium
-List the seven Micronutrients needed for optimum plant growth. - -Boron;
Copper; Chlorine; Iron; Manganese; Molybdenum; Zinc
-How is light intensity commonly measured? - -Foot Candles: The amount of
light falling on one square foot one foot away from a standard candle
-List three functions of water in a plant. - -1)Ingredient of Photosynthesis
2)Solvent for nutrients
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