Exam (elaborations)

Aquatic Herbicide Applicator – 340 Q&A | Certified Exam Prep 2025 | Adjuvants, PPE, Application, Calculations

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This comprehensive exam guide contains 340 question-and-answer items specifically created to prepare students and professionals for the Aquatic Herbicide Applicator certification exam 2025/2026. It is ideal for those studying environmental science, agronomy, aquatic plant management, or enrolled in pesticide applicator training programs at the university or technical college level. The material covers in depth: Registered herbicide types: systemic vs. contact, selective vs. nonselective Application variables: impact of wind, rainfall, water and soil chemistry Herbicide formulations: EC, WP, DF, granules, and mixing methods Protective equipment (PPE), exposure routes, label compliance, safety measures Tank mixing and calibration formulas for precision application Waterbody math: area, volume, acre-feet, PPM calculations Equipment types: pumps, nozzles, boats, injection systems Adjuvants and their classifications: surfactants, polymers, buffering agents Environmental and biological impacts, including fish safety, degradation rates, and biological control agents (e.g., grass carp, insects) Aquatic plant identification and specific herbicide effectiveness (e.g., for coontail, hydrilla, water hyacinth) This document is highly relevant for: State-certified pesticide applicator candidates Aquatic vegetation control professionals Students in agriculture, natural resource management, or biology Municipal, state, or private sector workers involved in environmental protection or waterway maintenance Its structure supports quick review, thorough learning, and accurate exam readiness, with regulatory references like FIFRA and the Noxious Weed Act integrated. Keywords: aquatic herbicides, pesticide applicator exam, contact herbicide, systemic herbicide, selective herbicide, application techniques, herbicide mixing, adjuvants, PPE, calibration formulas, tank mixing, aquatic plant ID, biocontrol agents, label compliance, water chemistry, weed control, water hardness, biological control, EPA regulation, herbicide safety, FIFRA, aquatic weeds, algae control, fish safety, invasive species, residue breakdown

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Institution

Herbicide

Course

Herbicide

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Institution: Herbicide
Course: Herbicide

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Uploaded on: November 29, 2025
Number of pages: 49
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

Subjects

herbicide applicator

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Aquatic Herbicide Applicator Questions
2025/2026 Exam All Answers and
Illustrations Given

How many herbicides are registered in the USA? - 🧠 ANSWER ✔✔About

200

How many aquatic herbicides are registered in the USA? - 🧠 ANSWER

✔✔10

What are the absorption characteristic groups that herbicides are classified

by? - 🧠 ANSWER ✔✔Contact herbicides

Systematic herbicides

,What are the physiological processes groups that herbicides are classified

by? - 🧠 ANSWER ✔✔Cell division

Tissue development

Photosynthesis

Respiration

Nitrogen metabolism and enzyme activity

What are the selectivity groups that herbicides are classified by? - 🧠

ANSWER ✔✔Nonselective (broad spectrum)

Selective

List the aquatic contact herbicides - 🧠 ANSWER ✔✔Endothall

Diquat

Copper

List the aquatic systematic herbicides - 🧠 ANSWER ✔✔2,4-D

Dichlobenil

,Fluoridone

Glyphosate

Simazine

List cell division aquatic herbicides - 🧠 ANSWER ✔✔Dichlobenil

List tissue development aquatic herbicides - 🧠 ANSWER ✔✔2,4-D

List the photosynthesis aquatic herbicides - 🧠 ANSWER ✔✔Copper

Diquat

Fluridone

Simazine

List the respiration aquatic herbicides - 🧠 ANSWER ✔✔Endothall

List the nitrogen metabolism and enzyme activity aquatic herbicides - 🧠

ANSWER ✔✔Glyphosate

List the broad spectrum aquatic herbicides - 🧠 ANSWER ✔✔Copper

Diquat

Endothall

Glyphosate

COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3

, Simazine

Dichlobenil

Selectivity can be affected by... - 🧠 ANSWER ✔✔the amount of herbicide

applied

List the selective aquatic herbicides - 🧠 ANSWER ✔✔2,4-D

Fluridone

What weather conditions can affect herbicide appliaction? - 🧠 ANSWER

✔✔Rainfall, Wind, Temperature, Water movement, Soil chemistry, and

Water chemistry

Why does more rainfall affect herbicide application? - 🧠 ANSWER

✔✔Washes off foliar applied herbicide before it can be adequately

absorbed into the plant

How does less rainfall affect herbicide application? - 🧠 ANSWER

✔✔drought stressed plants are less likely to absorb both foliar and soil

applied herbicides

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Aquatic Herbicide Applicator – 340 Q&A | Certified Exam Prep 2025 | Adjuvants, PPE, Application, Calculations

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