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ISA Arborist Certification Practice Exams Part 1 2024 The ideal soil ratio for solids to pore space is: (A) 20:80 (B) 35:65 (C) 40:60 (D) 50:50 - ANSWERSD What is the correct scientific name for the oak tree genus? (A) Quercus (B) Pyrus (C) Larix (D) Acer - ANSWERSA Which of the following is not one of the five major categories of soil horizons? (A) O (B) E (C) N (D) B - ANSWERSC Loam is least composed of what soil classification? (A) Sand(B) Silt(C) Clay(D) Loam is composed of all soi...

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23 pages

Written in 2024/2025

Grade A+

muchiracalorine

ISA Arborist Certification Practice Exams Part 2 For an ideal soil ratio, what component takes up the least amount of space within the overall makeup of the soil structure? (A) Water (B) Air (C) Organic matter (D) Mineral-rich soil - ANSWERSC What soil horizon category is most likely to include a large amount of organic material? (A) A (B) E (C) B (D) C - ANSWERSA What soil below most likely has the highest infiltration rate? (A) Loose sand (B) Compacted silt (C) Loose silt (D...

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11 pages

Written in 2024/2025

Grade A+

muchiracalorine

This document provides accurate and verified questions with correct answers from Part 1 of the 2025–2026 ISA Arborist Certification Practice Exams. It covers essential arboriculture topics such as tree biology, pruning techniques, soil science, identification and selection, and safe work practices. Ideal for professionals preparing for the ISA Certified Arborist Exam.

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39 pages

Written in 2024/2025

Grade A+

dennohz2000

With all clear answers

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2 items

muchiracalorine