ISA Utility Specialist (Chapters 1-7)
A herbicide's method of disrupting biochemical pathways is called its
__________ __________ __________. Common types include: - Correct
Answer ✔️✔️mode of action;
- ALS or AHAS inhibitors
- Synthetic auxins
- EPSP inhibitors
- Photosystem I inhibitors
- Photosystem II inhibitors
- Proton inhibitors
- Auxin transport inhibitors
1|Page
,Palm trees are __________, meaning their embryos have only one seed leaf. -
Correct Answer ✔️✔️monocots
(short for monocotyledon)
Faults that affect the dielectric properties of a system for an instant, & no longer
exist after the power has been restored: - Correct Answer ✔️✔️transient
fault
A "just-in-time" approach to inventory management finds the proper balance of
maintaining enough herbicide to meet short-term needs without: - Correct
Answer ✔️✔️purchasing, storing, or maintaining a surplus
Name for palm leaves: - Correct Answer ✔️✔️frond
Each of the two coils in a transformer has a different number of turns. The ratio
of one to the other is the __________ ratio, while the proportion of the primary
to secondary voltage is the __________ ratio. - Correct Answer ✔️✔
️turns;
2|Page
,voltage
Proper mixing protocol: - Correct Answer ✔️✔️- Half-fill the tank with
diluents (water or oil)
- Add concentrate or diluted concentrate
- Add any supplemental adjuvants
- Add remainder of diluents
If they aren't removed, frequent pruning will be required for __________ trees
because they cannot be reduced in height or directionally pruned - Correct
Answer ✔️✔️palm
Secondary wire that has two insulated conductors and a neutral wire wrapped
around a supportive cable: - Correct Answer ✔️✔️triplex wire
3|Page
, A chemical is classified as relatively nontoxic when it has an oral LD₅₀ of _____
mg/kg or more, or a dermal LD₅₀ of _____ mg/kg or more. - Correct Answer ✔
️✔️5,000;
20,000
When should a tree be removed? - Correct Answer ✔️✔️when it costs as
much or more to prune it, when it poses unacceptable risk, or when the species
doesn't respond well to pruning
Which type of current is typically used in power supplies? - Correct Answer ✔
️✔️alternating current
IVM is an __________-based, systematic process of modifying plant
communities & controlling __________ vegetation on a site, with an underlying
philosophy derived from integrated __________ management. - Correct
Answer ✔️✔️ecosystem;
incompatible;
4|Page
A herbicide's method of disrupting biochemical pathways is called its
__________ __________ __________. Common types include: - Correct
Answer ✔️✔️mode of action;
- ALS or AHAS inhibitors
- Synthetic auxins
- EPSP inhibitors
- Photosystem I inhibitors
- Photosystem II inhibitors
- Proton inhibitors
- Auxin transport inhibitors
1|Page
,Palm trees are __________, meaning their embryos have only one seed leaf. -
Correct Answer ✔️✔️monocots
(short for monocotyledon)
Faults that affect the dielectric properties of a system for an instant, & no longer
exist after the power has been restored: - Correct Answer ✔️✔️transient
fault
A "just-in-time" approach to inventory management finds the proper balance of
maintaining enough herbicide to meet short-term needs without: - Correct
Answer ✔️✔️purchasing, storing, or maintaining a surplus
Name for palm leaves: - Correct Answer ✔️✔️frond
Each of the two coils in a transformer has a different number of turns. The ratio
of one to the other is the __________ ratio, while the proportion of the primary
to secondary voltage is the __________ ratio. - Correct Answer ✔️✔
️turns;
2|Page
,voltage
Proper mixing protocol: - Correct Answer ✔️✔️- Half-fill the tank with
diluents (water or oil)
- Add concentrate or diluted concentrate
- Add any supplemental adjuvants
- Add remainder of diluents
If they aren't removed, frequent pruning will be required for __________ trees
because they cannot be reduced in height or directionally pruned - Correct
Answer ✔️✔️palm
Secondary wire that has two insulated conductors and a neutral wire wrapped
around a supportive cable: - Correct Answer ✔️✔️triplex wire
3|Page
, A chemical is classified as relatively nontoxic when it has an oral LD₅₀ of _____
mg/kg or more, or a dermal LD₅₀ of _____ mg/kg or more. - Correct Answer ✔
️✔️5,000;
20,000
When should a tree be removed? - Correct Answer ✔️✔️when it costs as
much or more to prune it, when it poses unacceptable risk, or when the species
doesn't respond well to pruning
Which type of current is typically used in power supplies? - Correct Answer ✔
️✔️alternating current
IVM is an __________-based, systematic process of modifying plant
communities & controlling __________ vegetation on a site, with an underlying
philosophy derived from integrated __________ management. - Correct
Answer ✔️✔️ecosystem;
incompatible;
4|Page
