Texas Pesticide Applicator General Exam Questions with
Verified Answers |2026/2027 Update | A+ Graded
Which formulation is very hazardous because it is highly concentrated and absorbed easily by
the skin? - Answer -Emulsifiable concentrate
What is the difference between emulsifiable concentrates and flowables? - Answer -Flowables
start as solids: emulsifiable concentrates start as liquids
Would you choose an EC or a WP if phytotoxicity might be a problem? - Answer -WP
True or False: You should wear a respirator when mixing soluble or wettable powders. - Answer -
True
What formulation would you choose if you wanted to penetrate cracks, soil, burrows, and
enclosed areas? - Answer -Fumigant
What are disadvantages of fumigants? - Answer -Can be applied only in enclosed areas
- May be toxic enough to require full protective gear
1|Page
,Which pesticide formulations must be diluted before they are applied? - Answer -Wettable
powders and emulsifiable concentrates
When is the best time to add pesticide to the spray tank? - Answer -Immediately before
application
True of False: Mixing is the time when you are most likely to be exposed to pesticide poisoning. -
Answer -True
Through which routes of entry are you likely to be exposed during pesticide mixing? - Answer -
dermal and inhalation
___ devices keep spray mixture in the tank from escaping back through the hose into a water
source. - Answer -antisiphoning
True or False: When you empty a pesticide container, you should rinse it out at least three
times. - Answer -True
How much emulsifiable concentrate would you put in a 50 gallon tank, given the directions
above? - Answer -1.5 pints
2|Page
,True or False: You can mix all types of pesticides together without any problem. - Answer -False
What does chemical compatibility mean? - Answer -Mixing the chemicals will not produce a
highly toxic solution.
How can you find out if two pesticides are compatible? - Answer -Read the label
An ___ is a chemical added to the pesticide mixture that makes an active ingredient more
effective. - Answer -adjuvant
For what kind of job would you use a spreader-sticker? - Answer -Treatment of waxy leaf
surfaces
True or False: The most hazardous activities involving pesticides are mixing and loading
concentrates. - Answer -True
For most pesticide sprays, what is the recommended PH level? - Answer -from 4 to 6
When a pesticide is spilled accidentally, what should you do first? - Answer -Contain the spill
3|Page
, How much wettable powder would you put in a 450 gallon tank, given directions to add 3
pounds WP per 100 gallons of water? - Answer -13.5 pounds
How much wettable powder would you put in an 80 gallon tank, given directions to add 3
pounds WP per 100 gallons of water? - Answer -2.4 pounds
How much emulsifiable concentrate would you put in a 300 gallon tank, given directions to add
3 pints EC per 100 gallons of water? - Answer -9 pints
If 1 pound of WP is recommended per 100 gallons of water, how many tablespoons of WP
would you add to 1 gallon? - Answer -1 tablespoon but I have no idea why...
If 2 pints of EC are recommended per 100 gallons of water, how many teaspoons of EC would
you add to one gallon? - Answer -2 teaspoons
How much does 100 gallons of water weigh? - Answer -830 pounds
How much does 100 gallons of kerosene weigh? - Answer -660 pounds
4|Page
Verified Answers |2026/2027 Update | A+ Graded
Which formulation is very hazardous because it is highly concentrated and absorbed easily by
the skin? - Answer -Emulsifiable concentrate
What is the difference between emulsifiable concentrates and flowables? - Answer -Flowables
start as solids: emulsifiable concentrates start as liquids
Would you choose an EC or a WP if phytotoxicity might be a problem? - Answer -WP
True or False: You should wear a respirator when mixing soluble or wettable powders. - Answer -
True
What formulation would you choose if you wanted to penetrate cracks, soil, burrows, and
enclosed areas? - Answer -Fumigant
What are disadvantages of fumigants? - Answer -Can be applied only in enclosed areas
- May be toxic enough to require full protective gear
1|Page
,Which pesticide formulations must be diluted before they are applied? - Answer -Wettable
powders and emulsifiable concentrates
When is the best time to add pesticide to the spray tank? - Answer -Immediately before
application
True of False: Mixing is the time when you are most likely to be exposed to pesticide poisoning. -
Answer -True
Through which routes of entry are you likely to be exposed during pesticide mixing? - Answer -
dermal and inhalation
___ devices keep spray mixture in the tank from escaping back through the hose into a water
source. - Answer -antisiphoning
True or False: When you empty a pesticide container, you should rinse it out at least three
times. - Answer -True
How much emulsifiable concentrate would you put in a 50 gallon tank, given the directions
above? - Answer -1.5 pints
2|Page
,True or False: You can mix all types of pesticides together without any problem. - Answer -False
What does chemical compatibility mean? - Answer -Mixing the chemicals will not produce a
highly toxic solution.
How can you find out if two pesticides are compatible? - Answer -Read the label
An ___ is a chemical added to the pesticide mixture that makes an active ingredient more
effective. - Answer -adjuvant
For what kind of job would you use a spreader-sticker? - Answer -Treatment of waxy leaf
surfaces
True or False: The most hazardous activities involving pesticides are mixing and loading
concentrates. - Answer -True
For most pesticide sprays, what is the recommended PH level? - Answer -from 4 to 6
When a pesticide is spilled accidentally, what should you do first? - Answer -Contain the spill
3|Page
, How much wettable powder would you put in a 450 gallon tank, given directions to add 3
pounds WP per 100 gallons of water? - Answer -13.5 pounds
How much wettable powder would you put in an 80 gallon tank, given directions to add 3
pounds WP per 100 gallons of water? - Answer -2.4 pounds
How much emulsifiable concentrate would you put in a 300 gallon tank, given directions to add
3 pints EC per 100 gallons of water? - Answer -9 pints
If 1 pound of WP is recommended per 100 gallons of water, how many tablespoons of WP
would you add to 1 gallon? - Answer -1 tablespoon but I have no idea why...
If 2 pints of EC are recommended per 100 gallons of water, how many teaspoons of EC would
you add to one gallon? - Answer -2 teaspoons
How much does 100 gallons of water weigh? - Answer -830 pounds
How much does 100 gallons of kerosene weigh? - Answer -660 pounds
4|Page
