ISA Arborist Certification Study Guide
Chapter 1 Questions with Complete
Solutions(SCORED A+)
Meristems - ANSWER-Sites of rapid cell division in the shoot tips, root tips, and
cambium are called ____________.
Apical - ANSWER-Meristems located at the end of the shoots are called primary or
__________ meristems.
Apical dominance - ANSWER-The tendency for terminal buds to inhibit the growth of
lateral buds is called __________.
Leaves - ANSWER-The "food factories" of trees are the _________.
Photosynthesis, Oxygen - ANSWER-The procress of ___________ combines carbon
dioxide and water in the reaction driven by light to produce sugars. __________ is also
a product of this reaction.
Chlorophyll - ANSWER-The green color of leaves is created by the presence of
_________, which is necessary for photosynthesis.
Transpiration - ANSWER-___________ is the loss of water vapor from the leaves.
Stomata, guard cells - ANSWER-The opening and closing of _________ allow for gas
exchange, and transpiration is controlled by the __________ _________.
Xylem, Phloem - ANSWER-Water and dissolved essential minerals are transported
within the tree in the ________. The __________ conducts carbohydrates.
Cambium - ANSWER-The _________ is a layer of meristematic cells located between
the phloem and xylem.
Branch collar, Branch bark ridge - ANSWER-The _________ _________ is formed
when trunk tissue grows around branch tissues. As the branch and trunk tissues expand
against each other in the branch union, the ________ ____ ________ is formed.
Bark - ANSWER-______ protects the branches and trunk of a tree from mechanical
injury and desiccation.
Chapter 1 Questions with Complete
Solutions(SCORED A+)
Meristems - ANSWER-Sites of rapid cell division in the shoot tips, root tips, and
cambium are called ____________.
Apical - ANSWER-Meristems located at the end of the shoots are called primary or
__________ meristems.
Apical dominance - ANSWER-The tendency for terminal buds to inhibit the growth of
lateral buds is called __________.
Leaves - ANSWER-The "food factories" of trees are the _________.
Photosynthesis, Oxygen - ANSWER-The procress of ___________ combines carbon
dioxide and water in the reaction driven by light to produce sugars. __________ is also
a product of this reaction.
Chlorophyll - ANSWER-The green color of leaves is created by the presence of
_________, which is necessary for photosynthesis.
Transpiration - ANSWER-___________ is the loss of water vapor from the leaves.
Stomata, guard cells - ANSWER-The opening and closing of _________ allow for gas
exchange, and transpiration is controlled by the __________ _________.
Xylem, Phloem - ANSWER-Water and dissolved essential minerals are transported
within the tree in the ________. The __________ conducts carbohydrates.
Cambium - ANSWER-The _________ is a layer of meristematic cells located between
the phloem and xylem.
Branch collar, Branch bark ridge - ANSWER-The _________ _________ is formed
when trunk tissue grows around branch tissues. As the branch and trunk tissues expand
against each other in the branch union, the ________ ____ ________ is formed.
Bark - ANSWER-______ protects the branches and trunk of a tree from mechanical
injury and desiccation.
