ISA Certified Arborist Practice Exam

What is the primary purpose of an arborist?

1. To manage pest control for landscapes

2. To design and plant new gardens

3. To care for and manage trees

4. To conduct research on tree species

The correct answer is: To care for and manage trees

The primary purpose of an arborist is to care for and manage trees. This role encompasses a range of responsibilities including pruning, planting, fertilizing, diagnosing tree issues, and assessing tree health and structural integrity. Arborists have specialized knowledge that allows them to understand tree biology, growth patterns, and the importance of trees to the ecosystem. Their expertise helps in promoting the longevity and health of trees, which are vital components of urban and rural landscapes. While managing pest control, designing gardens, and conducting research are all important aspects of landscape management and ecology, they do not encapsulate the main focus of arboriculture. Arborists specifically concentrate on the health and care of trees, making their role crucial in maintaining the balance and sustainability of our green environments.