100+ Free Ontario Pesticide Core Exam Practice Questions

Pass your Ontario Pesticide Applicator Core Exam (OPT&C Core Manual) exam on the first try — instant access, no signup required.

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2026 Statistics

Key Facts: Ontario Pesticide Core Exam Exam

50 MCQ / 1 hr

OPT&C Core Manual exam format (closed book)

ontariopesticide.com / OPT&C Info Guide 2025

75%

Minimum pass mark on Core and category exams

OPT&C Exterminators Info Guide 2025

1 year

Time to apply to MECP after certification

OPT&C Exterminators Info Guide 2025

$90 / 5 yr

MECP Exterminator Licence fee and term

OPT&C Exterminators Info Guide 2025

1-800-268-6060

Ontario Spills Action Centre toll-free

ontario.ca report pollution and spills

Ontario’s OPT&C Core Manual exam is 50 closed-book MCQs in one hour with a 75% pass mark, paired with a separate open-book category module. Certification is valid one year to apply for an MECP Exterminator Licence ($90 / 5 years). OPT&C Core + one category packages are listed around CAD $195–$214 depending on the source year—confirm current fees. This free bank offers 100 Core-focused practice questions.

Sample Ontario Pesticide Core Exam Practice Questions

Try these sample questions to test your Ontario Pesticide Core Exam exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the primary purpose of Ontario pesticide exterminator certification through OPT&C?

A.To ensure a basic level of competence among commercial pesticide exterminators

B.To replace the need for an MECP exterminator licence

C.To authorize pesticide manufacturing in Ontario

D.To register pesticide products with Health Canada

Explanation: OPT&C certification verifies foundational competence in safety, handling, legislation, IPM, and environmental protection before MECP licensing. Certification alone does not authorize commercial application.

2After you pass the OPT&C certification exams, how long is your letter of certification valid for applying to MECP for an exterminator licence?

A.One year

B.90 days

C.Five years

D.Indefinitely until the licence is issued

Explanation: You must apply to MECP for your Exterminator Licence within one year of obtaining OPT&C certification. The resulting exterminator licence itself is typically valid for five years.

3How is the Ontario OPT&C Core Manual exam structured?

A.50 multiple-choice questions, one hour, closed book

B.50 multiple-choice questions, 90 minutes, open book

C.100 multiple-choice questions, two hours, open book

D.Essay questions scored by an MECP officer

Explanation: Per OPT&C, the Core Manual exam is 50 multiple-choice questions in one hour and is closed book. The licence-category module exam is separately 50 questions, 1.5 hours, and open book.

4What minimum grade is required on the OPT&C Core Manual exam to obtain certification?

A.60%

B.70%

C.75%

D.80%

Explanation: OPT&C requires 75% or greater on both the Core Manual exam and the Licence Category Specific Module exam.

5Which ministry issues the Ontario Pesticide Exterminator Licence after OPT&C certification?

A.Ministry of the Environment, Conservation and Parks (MECP)

B.Ministry of Agriculture, Food and Agribusiness alone

C.Health Canada's Pest Management Regulatory Agency

D.University of Guelph Ridgetown Campus only

Explanation: OPT&C (University of Guelph Ridgetown Campus) certifies candidates; MECP Client Services and Permissions Branch issues the Exterminator Licence after you apply with proof of certification.

6Under Ontario's framework, which statute primarily governs provincial pesticide sale, use, storage, transportation, and disposal?

A.Pesticides Act and Ontario Regulation 63/09

B.Pest Control Products Act (Canada) alone

C.Occupational Health and Safety Act only

D.Transportation of Dangerous Goods Act only

Explanation: Ontario regulates sale, use, storage, transportation, and disposal under the Pesticides Act and O. Reg. 63/09. The federal Pest Control Products Act governs product registration and labelling nationally.

7Who registers pesticides for sale and use in Canada before Ontario classification applies?

A.Health Canada's Pest Management Regulatory Agency (PMRA)

B.MECP regional offices

C.Ontario Ministry of Labour

D.Municipal bylaw officers

Explanation: Health Canada's PMRA registers pesticides under the federal Pest Control Products Act. Once federally registered, products are automatically classified in Ontario under O. Reg. 63/09 without a separate provincial classification application.

8Which Ontario pesticide class corresponds to the federal Manufacturing product class?

A.Class A

B.Class B

C.Class C

D.Class D

Explanation: After 2020 harmonization, federal Manufacturing products are Class A in Ontario. Restricted→B, Commercial→C, Domestic→D; Class E covers certain neonicotinoid-treated seeds.

9Which Ontario pesticide class covers corn and soybean seeds treated with clothianidin, imidacloprid, or thiamethoxam?

A.Class A

B.Class B

C.Class D

D.Class E

Explanation: Ontario Class E is the stand-alone class for neonicotinoid-treated corn and soybean seeds (clothianidin, imidacloprid, or thiamethoxam), formerly managed as Class 12.

10Which licence authorizes a person to commercially perform pesticide applications (exterminations) in Ontario?

A.Operator licence only

B.Vendor licence only

C.Exterminator licence

D.Class E seed vendor certificate alone

Explanation: An Exterminator Licence authorizes performing exterminations. An Operator Licence is for running a commercial pesticide business that employs applicators; a Vendor Licence authorizes selling/transferring pesticides.

About the Ontario Pesticide Core Exam Exam

The Ontario OPT&C Core Manual exam is the closed-book foundational test for commercial pesticide exterminator certification. It covers legislation and licensing, labels, toxicology and first aid, PPE, formulations and application basics, IPM, environmental protection, storage/transport/disposal, and emergency spill response under the Pesticides Act and O. Reg. 63/09.

Assessment

Official pathway: Core Manual exam (50 MCQ, 1 hour, closed book) plus Licence Category Specific Module exam (50 MCQ, 1.5 hours, open book). Both require ≥75%. This bank focuses on Core Manual competencies shared by all exterminator categories.

Time Limit

1 hour (Core Manual exam)

Passing Score

75%

Exam Fee

CAD $214 Core + one category package (OPT&C exterminator page, reviewed Sep 2025); 2025 Info Guide listed CAD $195 — confirm current fee. MECP licence CAD $90 / 5 years. (Ontario Pesticide Training and Certification (University of Guelph Ridgetown Campus); licence issued by MECP)

Ontario Pesticide Core Exam Exam Content Outline

16%

Legislation & Licensing

OPT&C/MECP pathway, Pesticides Act, O. Reg. 63/09, PMRA registration, Classes A–E

12%

Pesticide Labels

Label compliance, signal words, registration numbers, SDS, REI

12%

Toxicology & First Aid

Exposure routes, LD50, acute/chronic effects, emergency first aid

10%

Personal Protective Equipment

Label PPE, gloves, respirators, eye/skin protection, PPE care

12%

Formulations & Application

Formulation types, calibration, nozzles, tank mixes, rates

12%

Integrated Pest Management

IPM process, thresholds, non-chemical tactics, resistance

12%

Environmental Protection

Drift, water protection, pollinators, buffers, cosmetic-use rules

Storage, Transport & Disposal

Secure storage, transport, triple rinse, leftovers, recycling

Emergency & Spill Response

Spill control, kits, fires, Spills Action Centre reporting

How to Pass the Ontario Pesticide Core Exam Exam

What You Need to Know

Passing score: 75%
Assessment: Official pathway: Core Manual exam (50 MCQ, 1 hour, closed book) plus Licence Category Specific Module exam (50 MCQ, 1.5 hours, open book). Both require ≥75%. This bank focuses on Core Manual competencies shared by all exterminator categories.
Time limit: 1 hour (Core Manual exam)
Exam fee: CAD $214 Core + one category package (OPT&C exterminator page, reviewed Sep 2025); 2025 Info Guide listed CAD $195 — confirm current fee. MECP licence CAD $90 / 5 years.

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

Ontario Pesticide Core Exam Study Tips from Top Performers

1Study the official OPT&C Core Manual end-of-section practice questions before the closed-book Core exam.

2Memorize the certification vs licence pathway, 75% pass mark, Core timing (50 Q / 1 hour / closed book), and Class A–E meanings.

3Drill label skills: signal words, PPE sections, rates, and environmental precautions—"the label is the law."

4Practice spill response steps and remember Spills Action Centre 1-800-268-6060.

5Use this 100-question bank timed in blocks of 50 to simulate Core pacing (~72 seconds/question).

Frequently Asked Questions

How many questions are on the Ontario OPT&C Core Manual exam?

The Core Manual exam has 50 multiple-choice questions, lasts one hour, and is closed book. You must also pass a separate 50-question open-book Licence Category Specific Module exam (1.5 hours).

What score do I need to pass the Ontario pesticide Core exam?

You need 75% or greater on both the Core Manual exam and the category module exam to receive OPT&C certification.

How much does Ontario pesticide exterminator certification cost?

OPT&C’s live exterminator page (reviewed September 2025) lists CAD $214 for the application package; the 2025 Exterminators Information Guide lists CAD $195 for Core Manual + one category module and exams. Additional categories within 12 months of passing Core are listed at CAD $175 in the guide. Confirm current fees before paying. MECP’s Exterminator Licence fee is CAD $90 for five years.

Is certification the same as an Ontario exterminator licence?

No. OPT&C issues a certification letter after you pass. You must apply to the Ministry of the Environment, Conservation and Parks (MECP) for the Exterminator Licence within one year of certification.

Who do I call to report a pesticide spill in Ontario?

Report pollutant spills to the Spills Action Centre 24/7 at 1-800-268-6060 (or 416-325-3000). Also notify the local municipality and the owner/controller of the substance when known. Call 911 for immediate life-threatening emergencies.