ISA Arborist Certification Study Guide
Chapter 1 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Meristems - CORRECT ANSWER - Sites of rapid cell division in the shoot tips, root tips,
and cambium are called ____________.
Apical - CORRECT ANSWER - Meristems located at the end of the shoots are called
primary or __________ meristems.
Apical dominance - CORRECT ANSWER - The tendency for terminal buds to inhibit the
growth of lateral buds is called __________.
Leaves - CORRECT ANSWER - The "food factories" of trees are the _________.
Photosynthesis, Oxygen - CORRECT 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 - CORRECT ANSWER - The green color of leaves is created by the presence
of _________, which is necessary for photosynthesis.
Transpiration - CORRECT ANSWER - ___________ is the loss of water vapor from the
leaves.
Stomata, guard cells - CORRECT ANSWER - The opening and closing of _________
allow for gas exchange, and transpiration is controlled by the __________ _________.
Xylem, Phloem - CORRECT ANSWER - Water and dissolved essential minerals are
transported within the tree in the ________. The __________ conducts carbohydrates.
Chapter 1 UPDATED ACTUAL Exam
Questions and CORRECT Answers
Meristems - CORRECT ANSWER - Sites of rapid cell division in the shoot tips, root tips,
and cambium are called ____________.
Apical - CORRECT ANSWER - Meristems located at the end of the shoots are called
primary or __________ meristems.
Apical dominance - CORRECT ANSWER - The tendency for terminal buds to inhibit the
growth of lateral buds is called __________.
Leaves - CORRECT ANSWER - The "food factories" of trees are the _________.
Photosynthesis, Oxygen - CORRECT 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 - CORRECT ANSWER - The green color of leaves is created by the presence
of _________, which is necessary for photosynthesis.
Transpiration - CORRECT ANSWER - ___________ is the loss of water vapor from the
leaves.
Stomata, guard cells - CORRECT ANSWER - The opening and closing of _________
allow for gas exchange, and transpiration is controlled by the __________ _________.
Xylem, Phloem - CORRECT ANSWER - Water and dissolved essential minerals are
transported within the tree in the ________. The __________ conducts carbohydrates.
