LOUISIANA HORTICULTURE TEST STUDY GUIDE (2025) QUESTIONS
Louisiana Horticulture Test Study Guide
WITH 100% CORRECT ANSWERS/NEWEST UPDATE
Study online at https://quizlet.com/_h9r1jq
1. What is the difference be- Cultivar- A plant or grouping of plants selected for desirable
tween a cultivar and variety? characteristics that can be maintained by propagation
Variety- A naturally occurring subgroup of a species which has
some distinguishing characters
2. Who is Linnaeus? What sys- Linnaeus is a Swedish Botanist who developed the Binomial
tem of naming plants did he System of Nomenclature(Genus + Species)
create?
3. Why is it important to So that you can communicate with others without confusion
know common and scientific about the identity of a plant
names of plants?
4. What are some origins of Country of origin, Names of Explorers, and Descriptive Latin
botanical names? Terms
5. What are some typical Life Span, Leaf Retention, Growth Habits, Light, Size
groupings for plants when
they are classified by growth
characteristics?
6. List the functions of a root Absorption, Anchorage, Conduction, Storage
system.
7. What are two kinds of root Fibrous and Taproot
systems?
8. List the functions of the Support; Conduction; Storage
stem of a plant.
9. Define xylem and phloem. xylem- the transport vessel for water and minerals from root to
leaf
, Louisiana Horticulture Test Study Guide
Study online at https://quizlet.com/_h9r1jq
phloem- the transport vessel for manufactured food from leaf to
stem
10. What is the difference be- monocots- plants that have a single seed leaf(corn; grass; lilly)
tween monocots and dicots?
dicots- plants that have two seed leaves(trees; shrubs; annuals)
11. What are nodes and intern- nodes- the area on stems where leaves emerge
odes?
internodes- the area on stems in between where leaves emerge
12. List the types of specialized Bulbs; Corms; Rhizomes; Tubers; Tuberous Roots
stems and roots commonly
found in plants.
13. What are the two main func- Photosynthesis and Transpiration
tions of leaves?
14. Define angiosperms and Angiosperms- plants that bloom and develop fruit which encloses
gymnosperms. the seed
Gymnosperms- plants that have no true flowers or fruit, but make
seeds in cones
15. List the parts of a complete Stamen(Anther & Filament)
flower. Pistil(Stilma; Style; Ovary)
Petal
Sepal
Locule
Ovule
Placenta
Receptacle
Peduncle
, Louisiana Horticulture Test Study Guide
Study online at https://quizlet.com/_h9r1jq
16. List the priority in which 1)Flower
plant parts receive food 2)Seed
manufactured by the leaves. 3)Leaves
4)Stems
5)Roots
17. List three primary elements Carbon; Hydrogen; Oxygen
for essential plant growth.
18. List the three macronu- Nitrogen; Phosphorus; Potassium
trients essential for plant
growth.
19. List the seven Micronutri- Boron; Copper; Chlorine; Iron; Manganese; Molybdenum; Zinc
ents needed for optimum
plant growth.
20. How is light intensity com- Foot Candles: The amount of light falling on one square foot one
monly measured? foot away from a standard candle
21. List three functions of water 1)Ingredient of Photosynthesis
in a plant. 2)Solvent for nutrients
3)Gives the plant tissue rigidity
22. Define permanent wilting when all gravitational water and the available water are gone and
point. only the graivable water remains
23. Define microclimate. describes areas with certain consistent variation in light, temper-
ature, and moisture in a garden
24. List three ways heat travels. 1. Conduction
2. Convention
3. Radiation
Louisiana Horticulture Test Study Guide
WITH 100% CORRECT ANSWERS/NEWEST UPDATE
Study online at https://quizlet.com/_h9r1jq
1. What is the difference be- Cultivar- A plant or grouping of plants selected for desirable
tween a cultivar and variety? characteristics that can be maintained by propagation
Variety- A naturally occurring subgroup of a species which has
some distinguishing characters
2. Who is Linnaeus? What sys- Linnaeus is a Swedish Botanist who developed the Binomial
tem of naming plants did he System of Nomenclature(Genus + Species)
create?
3. Why is it important to So that you can communicate with others without confusion
know common and scientific about the identity of a plant
names of plants?
4. What are some origins of Country of origin, Names of Explorers, and Descriptive Latin
botanical names? Terms
5. What are some typical Life Span, Leaf Retention, Growth Habits, Light, Size
groupings for plants when
they are classified by growth
characteristics?
6. List the functions of a root Absorption, Anchorage, Conduction, Storage
system.
7. What are two kinds of root Fibrous and Taproot
systems?
8. List the functions of the Support; Conduction; Storage
stem of a plant.
9. Define xylem and phloem. xylem- the transport vessel for water and minerals from root to
leaf
, Louisiana Horticulture Test Study Guide
Study online at https://quizlet.com/_h9r1jq
phloem- the transport vessel for manufactured food from leaf to
stem
10. What is the difference be- monocots- plants that have a single seed leaf(corn; grass; lilly)
tween monocots and dicots?
dicots- plants that have two seed leaves(trees; shrubs; annuals)
11. What are nodes and intern- nodes- the area on stems where leaves emerge
odes?
internodes- the area on stems in between where leaves emerge
12. List the types of specialized Bulbs; Corms; Rhizomes; Tubers; Tuberous Roots
stems and roots commonly
found in plants.
13. What are the two main func- Photosynthesis and Transpiration
tions of leaves?
14. Define angiosperms and Angiosperms- plants that bloom and develop fruit which encloses
gymnosperms. the seed
Gymnosperms- plants that have no true flowers or fruit, but make
seeds in cones
15. List the parts of a complete Stamen(Anther & Filament)
flower. Pistil(Stilma; Style; Ovary)
Petal
Sepal
Locule
Ovule
Placenta
Receptacle
Peduncle
, Louisiana Horticulture Test Study Guide
Study online at https://quizlet.com/_h9r1jq
16. List the priority in which 1)Flower
plant parts receive food 2)Seed
manufactured by the leaves. 3)Leaves
4)Stems
5)Roots
17. List three primary elements Carbon; Hydrogen; Oxygen
for essential plant growth.
18. List the three macronu- Nitrogen; Phosphorus; Potassium
trients essential for plant
growth.
19. List the seven Micronutri- Boron; Copper; Chlorine; Iron; Manganese; Molybdenum; Zinc
ents needed for optimum
plant growth.
20. How is light intensity com- Foot Candles: The amount of light falling on one square foot one
monly measured? foot away from a standard candle
21. List three functions of water 1)Ingredient of Photosynthesis
in a plant. 2)Solvent for nutrients
3)Gives the plant tissue rigidity
22. Define permanent wilting when all gravitational water and the available water are gone and
point. only the graivable water remains
23. Define microclimate. describes areas with certain consistent variation in light, temper-
ature, and moisture in a garden
24. List three ways heat travels. 1. Conduction
2. Convention
3. Radiation
