Certified Arborist Practice Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Study for the Certified Arborist Exam. Utilize flashcards and multiple choice questions with hints and explanations for each question. Prepare confidently for your test!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

What is the term used for the lower part of the branch attachment?

Lion-tailing
Branch collar
Included Bark
Subordination

The correct answer is: Branch collar

The term that describes the lower part of the branch attachment is indeed the branch collar. The branch collar is a thickened area of tissue that forms at the base of a branch, where it connects to the trunk or a larger branch. This area plays a significant role in the tree's biology, as it contains specialized cells that help in the healing process after a branch is pruned or removed. The branch collar assists in callus formation and helps to compartmentalize the wound, which is crucial for protecting the tree from pathogens and ensuring its overall health. In terms of tree care, recognizing the branch collar is essential when pruning, as it helps ensure that cuts are made in a way that promotes the natural healing of the tree and minimizes damage. This is important for maintaining the structural integrity and health of the tree. The other terms listed pertain to different concepts in arboriculture. Lion-tailing refers to an improper pruning technique that can lead to weak branch structures. Included bark describes a situation where two branches grow too closely together, leading to a weak attachment and potential failure. Subordination is a technique used in tree training to remove competing leaders in young trees but does not relate to the branch attachment.