Louisiana Horticulture License
Exam 2025/2026 | Complete Study
Guide with Verified Questions &
Answers
A plant's scientific name of a plant is composed of _________ and _________. - Correct
☑️
Answer genus and species
☑️
Alba is a term that describes a plant as _________. - Correct Answer white
Triacanthos describes a plant that is _________. - Correct Answer ☑️three spined
The functions of the root system are: - Correct Answer ☑️anchorage, absorption, conduction and
storage
☑️
The tap root could be described as: - Correct Answer a fleshy food storing organ
☑️
When a person is preparing to transplant a plant: - Correct Answer expose the roots to little air as
possible
Plants that are root bound in their containers should: - Correct Answer ☑️coiled roots should be
straightened and pruned
☑️
The xylem is resonsible for: - Correct Answer transporting water and minerals from the roots upward
through the plant
,An example of a monocot plant would be _________. - Correct Answer corn ☑️
☑️
If the cambium layer and vascular bundles are damaged: - Correct Answer the plant could die
☑️
Girdling of a plant can be described as: - Correct Answer damage to the plants food supply pipeline
A node is considered to be: - Correct Answer ☑️an area on a stem where the leaves emerge
Tulips develop each spring from _________. - Correct Answer ☑️bulbs
A plant that developes from rhizome would be _________. - Correct Answer ☑️cannas
Potatoes are propogated from _________. - Correct Answer ☑️tubers
When a plant a "suckers" it means that a new shoot will develops from the _________. - Correct
☑️
Answer roots
In Louisiana, spring flowerihg bulbs are usually planted from _________ to _________. - Correct
☑️
Answer October to December
☑️
Amaryllis bulbs are usually planted _________. - Correct Answer during fall
☑️
The term "venation" is a term used to describe a plants _________. - Correct Answer vein
distribution
A leaf gives off water into the atmosphere through a process called _________. - Correct
☑️
Answer transpiration
, ☑️
If transpiration is more rapid than absorption in a plant: - Correct Answer the plant will show signs of
wilting
Transpiration in a plant depends on: - Correct Answer ☑️water pressure should be lower in the top of
the plant
☑️
The pistil is the: - Correct Answer female part of the plant
☑️
Ferns reproduce from single cell structures called _________. - Correct Answer spores
The highest priority of food produced by leaves is to feed _________. - Correct Answer ☑️flowers
A primary element used for plant growth would be _________. - Correct Answer ☑️urea
Overall yellowing of the plant beginning at the bottom of the plant could mean _________. - Correct
☑️
Answer nitrogen deficiency
Spindly growth, low flower and fruit production, dark green leaves with reddish overcast could mean
☑️
_________. - Correct Answer phosphorous deficiency
Slow growth, scorched leaves and shriveled fruit on a plant could mean _________. - Correct
☑️
Answer potassium deficiency
Light green leaves with leaf margins turning upward are symptoms of _________. - Correct
☑️
Answer calcium deficiency
A 50 poind bag of 13-13-13 would contain how many pounds of nitrogen? - Correct Answer ☑️6.5
A 50 pound bag of 20-15-10 would contain how many pounds of phosphorus? - Correct Answer 7.5 ☑️
Exam 2025/2026 | Complete Study
Guide with Verified Questions &
Answers
A plant's scientific name of a plant is composed of _________ and _________. - Correct
☑️
Answer genus and species
☑️
Alba is a term that describes a plant as _________. - Correct Answer white
Triacanthos describes a plant that is _________. - Correct Answer ☑️three spined
The functions of the root system are: - Correct Answer ☑️anchorage, absorption, conduction and
storage
☑️
The tap root could be described as: - Correct Answer a fleshy food storing organ
☑️
When a person is preparing to transplant a plant: - Correct Answer expose the roots to little air as
possible
Plants that are root bound in their containers should: - Correct Answer ☑️coiled roots should be
straightened and pruned
☑️
The xylem is resonsible for: - Correct Answer transporting water and minerals from the roots upward
through the plant
,An example of a monocot plant would be _________. - Correct Answer corn ☑️
☑️
If the cambium layer and vascular bundles are damaged: - Correct Answer the plant could die
☑️
Girdling of a plant can be described as: - Correct Answer damage to the plants food supply pipeline
A node is considered to be: - Correct Answer ☑️an area on a stem where the leaves emerge
Tulips develop each spring from _________. - Correct Answer ☑️bulbs
A plant that developes from rhizome would be _________. - Correct Answer ☑️cannas
Potatoes are propogated from _________. - Correct Answer ☑️tubers
When a plant a "suckers" it means that a new shoot will develops from the _________. - Correct
☑️
Answer roots
In Louisiana, spring flowerihg bulbs are usually planted from _________ to _________. - Correct
☑️
Answer October to December
☑️
Amaryllis bulbs are usually planted _________. - Correct Answer during fall
☑️
The term "venation" is a term used to describe a plants _________. - Correct Answer vein
distribution
A leaf gives off water into the atmosphere through a process called _________. - Correct
☑️
Answer transpiration
, ☑️
If transpiration is more rapid than absorption in a plant: - Correct Answer the plant will show signs of
wilting
Transpiration in a plant depends on: - Correct Answer ☑️water pressure should be lower in the top of
the plant
☑️
The pistil is the: - Correct Answer female part of the plant
☑️
Ferns reproduce from single cell structures called _________. - Correct Answer spores
The highest priority of food produced by leaves is to feed _________. - Correct Answer ☑️flowers
A primary element used for plant growth would be _________. - Correct Answer ☑️urea
Overall yellowing of the plant beginning at the bottom of the plant could mean _________. - Correct
☑️
Answer nitrogen deficiency
Spindly growth, low flower and fruit production, dark green leaves with reddish overcast could mean
☑️
_________. - Correct Answer phosphorous deficiency
Slow growth, scorched leaves and shriveled fruit on a plant could mean _________. - Correct
☑️
Answer potassium deficiency
Light green leaves with leaf margins turning upward are symptoms of _________. - Correct
☑️
Answer calcium deficiency
A 50 poind bag of 13-13-13 would contain how many pounds of nitrogen? - Correct Answer ☑️6.5
A 50 pound bag of 20-15-10 would contain how many pounds of phosphorus? - Correct Answer 7.5 ☑️
