LA Retail Florist Exam Content
2025/2026 Exam Questions and Correct
Answers | New Update
first and foremost basic need of cut flowers - 🧠 ANSWER ✔✔water
second basic need of cut flowers - 🧠 ANSWER ✔✔food
factors affecting quality of cut flowers (7) - 🧠 ANSWER ✔✔1. production
2. transpiration
3. floral food
4. temperature
5. humidity
6. ethylene
7. microbial activity
,effect of harvesting flowers too soon/cutting flowers prior to harvest stage -
🧠 ANSWER ✔✔flowers will have difficulty opening and maturing properly
and tight buds will never open
effect of harvesting flowers too late/cut past their prime harvest stage - 🧠
ANSWER ✔✔reduced vase life because flowers are too mature
natural loss of water in plants and flowers through stomata - 🧠 ANSWER
✔✔transpiration
energy source for the flower - 🧠 ANSWER ✔✔commercial floral food; sugar
temperature that would accommodate most flowers - 🧠 ANSWER ✔✔36 -
40 degrees
recommended amount of humidity for most flowers stored in the refrigerator
- 🧠 ANSWER ✔✔90%
ways to minimize ethylene damage (6) - 🧠 ANSWER ✔✔1. STS pre-
treatment
2. ethylene block treatment
3. removal of damaged and unhealthy tissue
4. keep refrigerator clean from old flowers and foliage
,5. do not store fruits, vegetables, or evergreens in the refrigerator
6. cooler temperatures of 40 degrees F and below
How does microbial activity reduce vase life of cut flowers? - 🧠 ANSWER
✔✔plugging the stem of flowers reducing the water intake capacity
ways to prevent and keep microbial activity damage to a minimum (2) - 🧠
ANSWER ✔✔1. good sanitation: washing buckets after each use with
bleach or bucket wash, washing refrigerator floor once per week, removing
foliage from lower stem that would be underwater in the storage container
2. proper use of commercial floral food
3 main ingredients of commercial floral food - 🧠 ANSWER ✔✔1. sugar
2. bio-inhibitor
3. acidifier
2 commonly used bio-inhibitors in commercial floral food - 🧠 ANSWER
✔✔8-hydroxyquinoline citrate (HQC) and Physan
ideal pH of acidic water - 🧠 ANSWER ✔✔3.5 - 5.0
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Why use and invest in commercial floral food? (3) - 🧠 ANSWER ✔✔1.
commercial floral food is scientifically blended to the correct proportions of
sugar, bio-inhibitor, and acidifier
2. commercial floral food is 40-80% more effective in extending vase life
3. commercial floral foods are much less expensive, especially when used
on a large scale
Why use commercial floral food if turnover of flowers is rapid? - 🧠 ANSWER
✔✔keeping customers satisfied and providing an excellent product
procedure used prior to the normal usage of floral food - 🧠 ANSWER
✔✔pre-treatment
procedure used after the flowers are already processed in a floral food
solution - 🧠 ANSWER ✔✔post-treatment
What is STS? - 🧠 ANSWER ✔✔silver thiosulfate
environmentally friendly treatment that prevents negative effects of
ethylene gas that comes in a powdered form and released as a gas and
can treat large quantities of flowers at one time - 🧠 ANSWER ✔✔MCP (1-
methyleopropene); EthylBloc
2025/2026 Exam Questions and Correct
Answers | New Update
first and foremost basic need of cut flowers - 🧠 ANSWER ✔✔water
second basic need of cut flowers - 🧠 ANSWER ✔✔food
factors affecting quality of cut flowers (7) - 🧠 ANSWER ✔✔1. production
2. transpiration
3. floral food
4. temperature
5. humidity
6. ethylene
7. microbial activity
,effect of harvesting flowers too soon/cutting flowers prior to harvest stage -
🧠 ANSWER ✔✔flowers will have difficulty opening and maturing properly
and tight buds will never open
effect of harvesting flowers too late/cut past their prime harvest stage - 🧠
ANSWER ✔✔reduced vase life because flowers are too mature
natural loss of water in plants and flowers through stomata - 🧠 ANSWER
✔✔transpiration
energy source for the flower - 🧠 ANSWER ✔✔commercial floral food; sugar
temperature that would accommodate most flowers - 🧠 ANSWER ✔✔36 -
40 degrees
recommended amount of humidity for most flowers stored in the refrigerator
- 🧠 ANSWER ✔✔90%
ways to minimize ethylene damage (6) - 🧠 ANSWER ✔✔1. STS pre-
treatment
2. ethylene block treatment
3. removal of damaged and unhealthy tissue
4. keep refrigerator clean from old flowers and foliage
,5. do not store fruits, vegetables, or evergreens in the refrigerator
6. cooler temperatures of 40 degrees F and below
How does microbial activity reduce vase life of cut flowers? - 🧠 ANSWER
✔✔plugging the stem of flowers reducing the water intake capacity
ways to prevent and keep microbial activity damage to a minimum (2) - 🧠
ANSWER ✔✔1. good sanitation: washing buckets after each use with
bleach or bucket wash, washing refrigerator floor once per week, removing
foliage from lower stem that would be underwater in the storage container
2. proper use of commercial floral food
3 main ingredients of commercial floral food - 🧠 ANSWER ✔✔1. sugar
2. bio-inhibitor
3. acidifier
2 commonly used bio-inhibitors in commercial floral food - 🧠 ANSWER
✔✔8-hydroxyquinoline citrate (HQC) and Physan
ideal pH of acidic water - 🧠 ANSWER ✔✔3.5 - 5.0
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
, Why use and invest in commercial floral food? (3) - 🧠 ANSWER ✔✔1.
commercial floral food is scientifically blended to the correct proportions of
sugar, bio-inhibitor, and acidifier
2. commercial floral food is 40-80% more effective in extending vase life
3. commercial floral foods are much less expensive, especially when used
on a large scale
Why use commercial floral food if turnover of flowers is rapid? - 🧠 ANSWER
✔✔keeping customers satisfied and providing an excellent product
procedure used prior to the normal usage of floral food - 🧠 ANSWER
✔✔pre-treatment
procedure used after the flowers are already processed in a floral food
solution - 🧠 ANSWER ✔✔post-treatment
What is STS? - 🧠 ANSWER ✔✔silver thiosulfate
environmentally friendly treatment that prevents negative effects of
ethylene gas that comes in a powdered form and released as a gas and
can treat large quantities of flowers at one time - 🧠 ANSWER ✔✔MCP (1-
methyleopropene); EthylBloc
