LOUISIANA HORTICULTURE LICENSE
EXAM 2025 QUESTIONS AND ANSWERS
What is the difference between a cultivar and variety? - ANS variety - naturally occurring
subgroup within species.
cultivar - special group that retain their distinguishing features when propogated.
Who is Linnaeus? What system of naming plants did he create? - ANS -developed binomial
nomenclature.
-Classification system in which each species is assigned a two-part scientific name.
Why is it important to know common and scientific names of plants? - ANS -customer
protection, legal requirements, communication between nursery and landscape pros
What are some origins of botanical names? - ANS 1. Countries of origin
2. Names of plant explorers
3. Descriptive latin terms
What are some typical groupings for plants when they are classified by growth characteristics? -
ANS 1. Herbaceous or woody
2. Life span
3. Leaf retention
4. Growth habit
5. Stem structure
6. Size
7. Form
1 Copyright ©2025 FYNDLAY ALL RIGHTS RESERVED.
,8. Temp tender
9. Light
10. Water
11. Use
List the functions of a root system - ANS anchorage, absorption, conduction, storage
What are 2 kinds of root systems - ANS Taproots and fibrous roots
List the functions of the stem of the plant - ANS support, conduction, storage
Define xylem and phloem - ANS xylem-water and minerals move from roots to leaves.
phloem-food from leaves moves to the plant
What is the difference between monocots and dicots? - ANS Number of cotyledons
mono- 1
dicots-2
What are nodes and internodes - ANS nodes- areas on stems where leaves emerge.
internodes-space between nodes
List the types of specialized stems and roots commonly found in plants - ANS bulbs, corms,
rhizomes, tubers, tuberous roots
What are the 2 main functions of leaves - ANS photosynthesis and transpiration
Transpiration- evaporation of water from the leaves of a plant
Define angiosperms and gymnosperms - ANS Angiosperms- plants that bloom and develop
fruit which encloses the seed
2 Copyright ©2025 FYNDLAY ALL RIGHTS RESERVED.
, Gymnosperms- plants that have no true flowers or fruit, but make seeds in cones
List the parts of a complete flower - ANS -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 - ANS 1. Flower
2. Seeds
3. Leaves
4. Stems
5. Roots
List the 3 primary elements for essential plant growth - ANS 1. carbon
2. hydrogen
3. oxygen
List the three macronutrients essential for plant growth - ANS 1. nitrogen
2. phosphorus
3. potassium
List the 7 micronutrients needed for optimum plant growth - ANS 1. boron
3 Copyright ©2025 FYNDLAY ALL RIGHTS RESERVED.
EXAM 2025 QUESTIONS AND ANSWERS
What is the difference between a cultivar and variety? - ANS variety - naturally occurring
subgroup within species.
cultivar - special group that retain their distinguishing features when propogated.
Who is Linnaeus? What system of naming plants did he create? - ANS -developed binomial
nomenclature.
-Classification system in which each species is assigned a two-part scientific name.
Why is it important to know common and scientific names of plants? - ANS -customer
protection, legal requirements, communication between nursery and landscape pros
What are some origins of botanical names? - ANS 1. Countries of origin
2. Names of plant explorers
3. Descriptive latin terms
What are some typical groupings for plants when they are classified by growth characteristics? -
ANS 1. Herbaceous or woody
2. Life span
3. Leaf retention
4. Growth habit
5. Stem structure
6. Size
7. Form
1 Copyright ©2025 FYNDLAY ALL RIGHTS RESERVED.
,8. Temp tender
9. Light
10. Water
11. Use
List the functions of a root system - ANS anchorage, absorption, conduction, storage
What are 2 kinds of root systems - ANS Taproots and fibrous roots
List the functions of the stem of the plant - ANS support, conduction, storage
Define xylem and phloem - ANS xylem-water and minerals move from roots to leaves.
phloem-food from leaves moves to the plant
What is the difference between monocots and dicots? - ANS Number of cotyledons
mono- 1
dicots-2
What are nodes and internodes - ANS nodes- areas on stems where leaves emerge.
internodes-space between nodes
List the types of specialized stems and roots commonly found in plants - ANS bulbs, corms,
rhizomes, tubers, tuberous roots
What are the 2 main functions of leaves - ANS photosynthesis and transpiration
Transpiration- evaporation of water from the leaves of a plant
Define angiosperms and gymnosperms - ANS Angiosperms- plants that bloom and develop
fruit which encloses the seed
2 Copyright ©2025 FYNDLAY ALL RIGHTS RESERVED.
, Gymnosperms- plants that have no true flowers or fruit, but make seeds in cones
List the parts of a complete flower - ANS -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 - ANS 1. Flower
2. Seeds
3. Leaves
4. Stems
5. Roots
List the 3 primary elements for essential plant growth - ANS 1. carbon
2. hydrogen
3. oxygen
List the three macronutrients essential for plant growth - ANS 1. nitrogen
2. phosphorus
3. potassium
List the 7 micronutrients needed for optimum plant growth - ANS 1. boron
3 Copyright ©2025 FYNDLAY ALL RIGHTS RESERVED.
