LOUISIANA HORTICULTURE TEST STUDY
GUIDE LATEST 2025-2026 QUESTIONS AND
CORRECT ANSWERS
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
, List the priority in which plant parts receive food manufactured by the
leaves. - Answer-1)Flower
2)Seed
3)Leaves
4)Stems
5)Roots
List three primary elements for essential plant growth. - Answer-
Carbon; Hydrogen; Oxygen
List the three macronutrients essential for plant growth. - Answer-
Nitrogen; Phosphorus; Potassium
List the seven Micronutrients needed for optimum plant growth. -
Answer-Boron; Copper; Chlorine; Iron; Manganese; Molybdenum; Zinc
How is light intensity commonly measured? - Answer-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. - Answer-1)Ingredient of
Photosynthesis
2)Solvent for nutrients
3)Gives the plant tissue rigidity
GUIDE LATEST 2025-2026 QUESTIONS AND
CORRECT ANSWERS
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
, List the priority in which plant parts receive food manufactured by the
leaves. - Answer-1)Flower
2)Seed
3)Leaves
4)Stems
5)Roots
List three primary elements for essential plant growth. - Answer-
Carbon; Hydrogen; Oxygen
List the three macronutrients essential for plant growth. - Answer-
Nitrogen; Phosphorus; Potassium
List the seven Micronutrients needed for optimum plant growth. -
Answer-Boron; Copper; Chlorine; Iron; Manganese; Molybdenum; Zinc
How is light intensity commonly measured? - Answer-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. - Answer-1)Ingredient of
Photosynthesis
2)Solvent for nutrients
3)Gives the plant tissue rigidity
