1. Tree Biology
7% of the examIdentify weak areas and improve with focused review.
Start PracticingPass your ISA-CA certification
Free ISA-CA Practice Test
Pass the ISA Certified Arborist exam with confidence.
Start with a free ISA-CA practice test and build exam-ready confidence for the ISA Certified Arborist exam.
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1000+ISA-CA Questions
9Exam Domains
10Free Questions
2026Updated
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Everything your ISA-CA certification prep needs
Practice expert-vetted questions, find your weak domains, and turn every mistake into a focused review plan.
Expert-vetted questions
Every question is reviewed by an experienced ISA-CA professional for clarity, accuracy and practical exam relevance.
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Domain analytics show which parts of the exam blueprint are holding you back.
Turn mistakes into confidence
Missed questions become a review list, so nervous guessing turns into focused repetition.
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Study by domain
Practice the ISA-CA exam by domain
2. Soil Science
6% of the examIdentify weak areas and improve with focused review.
Start Practicing3. Water Management
5% of the examIdentify weak areas and improve with focused review.
Start Practicing4. Tree Nutrition and Fertilization
5% of the examIdentify weak areas and improve with focused review.
Start Practicing5. Tree Selection and Installation
8% of the examIdentify weak areas and improve with focused review.
Start Practicing6. Pruning
12% of the examIdentify weak areas and improve with focused review.
Start Practicing7. Diagnosis and Treatment
14% of the examIdentify weak areas and improve with focused review.
Start Practicing8. Trees and Construction
5% of the examIdentify weak areas and improve with focused review.
Start Practicing9. Urban Forestry
8% of the examIdentify weak areas and improve with focused review.
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Frequently asked questions
Straight answers about the ISA-CA exam, the questions, pricing, the free trial, and how this fits your prep.
The ISA-CA exam spans 9 domains - Tree Biology (7%), Soil Science (6%), Water Management (5%), Tree Nutrition and Fertilization (5%), Tree Selection and Installation (8%), Pruning (12%), Diagnosis and Treatment (14%), Trees and Construction (5%), and Urban Forestry (8%). Every practice question maps to one of them, so you train on exactly what's tested.
The ISA Certified Arborist (ISA-CA) exam has 200 questions and is completed in 3 hours 30 minutes. Our timed practice tests mirror that length and pacing, so exam day feels familiar.
No - and that matters. These are original practice questions written to mirror the style, difficulty, and domain coverage of the ISA-CA exam blueprint. We never distribute actual exam content, so practicing here keeps you fully compliant with official exam policies.
No. ISA-CA Exam Prep is an independent study resource for ISA Certified Arborist (ISA-CA). It is not affiliated with, sponsored by, or endorsed by the official certifying body or exam administrator.
Every paid plan unlocks the full bank of 1,000+ practice questions covering all 9 ISA-CA domains - Tree Biology (7%), Soil Science (6%), Water Management (5%), Tree Nutrition and Fertilization (5%), Tree Selection and Installation (8%), Pruning (12%), Diagnosis and Treatment (14%), Trees and Construction (5%), and Urban Forestry (8%). You can practice the whole bank, filter by domain, or run a timed, domain-balanced exam simulation.
Yes - the bank is maintained against the current exam outline, and questions are revised when the exam changes.
No honest practice platform can guarantee a pass. What realistic practice does is show you - before exam day - exactly which domains are weak, and give you the repetitions to fix them. That's the difference between hoping you're ready and knowing where you stand.
Yes. You get 10 free sample questions with instant feedback - no credit card and no account required.
The free sample shows you the question quality. Paid plans unlock the full 1,000+ question bank, exam-style practice modes, mistake review, and - on Fast Track and Pass Confidence - progress analytics that show your readiness by domain.
No. Every plan is a single one-time payment for a fixed access window - 48 hours, 7 days, or 6 weeks. There is no auto-renewal and no recurring billing.
Match it to your exam date: Final Review (2 days) for an exam in the next day or two, Fast Track (7 days) for an exam this week, Pass Confidence (6 weeks) for a structured run-up.
For most countries, the price you see is exactly what you pay - tax is already included. Where local law requires it to be added separately, it's shown clearly at checkout before you pay, so there are never any surprise fees.
Access is instant after payment and runs for your plan's full window from that moment. When the window ends, your local progress stays on your device - you can buy another window any time and pick up where you left off.
Yes - the whole platform is mobile-first: practice, mistake review, and analytics all work on any phone, tablet, or laptop with a browser. Nothing to install.
Every answer feeds your per-domain accuracy, readiness score, and weak-area list. Instead of re-reading everything, you drill the domains that are actually costing you points - that's what moves a score in days, not months.
Chat with us any time - the 24/7 support chat in the corner of every page gives instant answers about plans, access, and billing. Prefer email? The contact link is in the footer. Payments are processed securely by Polar, and active customers can download an invoice from their profile page.
Make sure you're signed in with the same email you used at checkout - access activates within a minute of payment. If it still doesn't appear, email us from the contact link in the footer and it'll be sorted out.
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Drill a single domain, run a mixed session, or sit a full timed exam simulation - pick the mode that fits your study window.
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Start quick practice →Domain Practice
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A full-length timed exam that mirrors the real ISA-CA test, balanced across every domain.
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Flashcards
Flip, grade yourself, and repeat the tough ones until they stick.
Train with flashcards →Review Mistakes
Re-drill the questions you got wrong.
Review now →Review Weak Domains
Drill your lowest-scoring domains first.
Find weak spots →All Questions
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$29.95Save 33%Limited time
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A focused 48-hour cram for candidates sitting the exam in the next day or two.
- Full 1,000+ question bank
- All 9 ISA-CA domains
- Multiple-choice & true/false practice
- 48 hours of unlimited practice
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Fast Track
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≈ $7.14 per day of access
7-day access
A focused one-week study push with full progress analytics.
- Ensure success with analytics & mistake review
- Everything in Final Review
- Full-length timed exam simulation
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Pass Confidence
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★ 2.6× more likely to pass first time
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For candidates with 2-6 weeks before exam day - the complete, confident way to prepare.
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Trusted by ISA-CA candidates
Real feedback from ISA-CA candidates on Reddit.
"didnt touch diagnosis and treatment until two weeks out and that section alone is 14% of the exam. the practice questions on this site drilled it enough that i actually felt ok going in. passed first try, which honestly surprised me."
"i'll be real, i was pretty skeptical of exam prep sites in general. been in the field for years and figured i'd just read the study guide and be fine. i wasn't. kept missing pruning questions in ways i didn't expect."
"solid mock exams. 200 questions at full length, timed. doing that a few times before the real thing made the format feel way less stressful. quiet relief when the screen showed i passed."