Free Practice Questions for Ontario Pesticide Core Exam

Exam-style questions and explanations by OpenExamPrep.

✓ No registration✓ No credit card

132+ Questions

100% Free

Loading practice questions...

Same family resources

Explore More Canadian Provincial Pesticide Applicator Exams

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

Ontario Pesticide Structural Exterminator Module Exam (Canada)

Practice Questions126 questions Study Guide Cheat Sheet Flashcards50 cards

Ontario Pesticide Landscape Exterminator Module Exam (Canada)

Practice Questions100 questions

Exam Review

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 Core-focused practice questions with explanations; live practice inventory is shown on the page.

Sample Ontario Pesticide Core Exam Practice Questions

Try these sample questions to review concepts for the Ontario Pesticide Core Exam exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 132+ question experience with AI tutoring.

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

A.To confirm basic competence in all commercial exterminators

B.To exempt the holder from needing an MECP exterminator licence

C.To authorize the holder to manufacture pesticides in Ontario

D.To register pesticide products for sale anywhere in Canada

Explanation: OPT&C certification tests foundational knowledge of safety, pesticide handling, legislation, integrated pest management and environmental protection. It is a prerequisite for the MECP exterminator licence, not a substitute for it.

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 from the date certification is obtained

B.Ninety days from the date of the exam sitting

C.Five years, matching the exterminator licence term

D.Indefinitely, until MECP issues the licence

Explanation: OPT&C requires you to apply to MECP for a Pesticide Exterminator Licence within one year of obtaining certification. The licence MECP then issues runs for five years.

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

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

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

C.One hundred multiple-choice questions, two hours, closed book

D.Twenty-five questions plus a written case study, open book

Explanation: OPT&C sets the Core Manual exam at 50 multiple-choice questions in one hour, closed book. The Licence Category Specific Module exam is a separate 50-question paper of one and a half hours, 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 per cent or greater on both the Core Manual exam and the Licence Category Specific Module exam. Passing only one paper does not produce a letter of certification.

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

A.Ministry of the Environment, Conservation and Parks

B.Ministry of Agriculture, Food and Agribusiness

C.Health Canada's Pest Management Regulatory Agency

D.University of Guelph, Ridgetown Campus

Explanation: OPT&C at the University of Guelph Ridgetown Campus certifies candidates, and MECP issues the Pesticide Exterminator Licence once the applicant applies with a copy of the certification letter.

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 and its federal regulations

C.Occupational Health and Safety Act and the WHMIS regulation

D.Transportation of Dangerous Goods Act and Regulations

Explanation: Ontario regulates the sale, use, storage, transportation and disposal of pesticides under the Pesticides Act and O. Reg. 63/09. Federal law governs product registration and label approval.

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

A.Health Canada's Pest Management Regulatory Agency

B.MECP's Client Services and Permissions Branch

C.The Ontario Ministry of Labour under WHMIS rules

D.The municipality in which the product is sold

Explanation: PMRA registers pest control products under the federal Pest Control Products Act. Once a product is federally registered, Ontario classifies it automatically as Class A, B, C or D without a separate provincial 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: Since May 1, 2020 Ontario mirrors the federal classes: Manufacturing is Class A, Restricted is Class B, Commercial is Class C and Domestic is Class D. Class E is the extra provincial class for neonicotinoid-treated seed.

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: Class E is the stand-alone Ontario class for corn and soybean seed treated with clothianidin, imidacloprid or thiamethoxam. No exterminator licence authorizes Class E use; section 45.1 of O. Reg. 63/09 sets the requirements.

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

A.An operator licence issued to the extermination business

B.A vendor licence of the General class

C.An exterminator licence in the appropriate class

D.A treated seed vendor licence for Class E products

Explanation: An exterminator licence authorizes an individual to perform the exterminations its classes list. An operator licence covers running the extermination business, and a vendor licence covers selling or 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.

Exam sponsor: Ontario Pesticide Training and Certification (University of Guelph Ridgetown Campus); licence issued by MECP. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

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 / Certification Fees

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.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Not published

Legislation & Licensing

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

Not published

Pesticide Labels

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

Not published

Toxicology & First Aid

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

Not published

Personal Protective Equipment

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

Not published

Formulations & Application

Formulation types, calibration, nozzles, tank mixes, rates

Not published

Integrated Pest Management

IPM process, thresholds, non-chemical tactics, resistance

Not published

Environmental Protection

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

Not published

Storage, Transport & Disposal

Secure storage, transport, triple rinse, leftovers, recycling

Not published

Emergency & Spill Response

Spill control, kits, fires, Spills Action Centre reporting

Preparing for 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 / certification fees: 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. Official sources

Using Our Practice Resources

Work through all 132 available questions
Review every answer and explanation
Track weak areas and revisit them
Use our AI tutor for tough concepts

Ontario Pesticide Core Exam: Suggested Study Strategy

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 132-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.