ISA Certified Arborist - Chapter 1 Questions & Answers (Graded A+)

ISA Certified Arborist - Chapter 1
Questions & Answers (Graded A+)

Tree biology - ANSWER-The study of structure and function of trees and the
relationship between them.

(pg 3)

Cells - ANSWER-Basic building blocks of structure

(plural)
(pg 3)

Mitosis - ANSWER-Process of cell division used to create new cells in plants.
Genetically identical.

(FCHP)

Differentiation - ANSWER-Process by which cells change their structure and specialize
in a particular function.

(pg 3)

Tissues - ANSWER-Cells grouped together with similar structure and function.

(plural)
(pg 3)

Organs - ANSWER-Organized tissues that provides a particular function to the plant

(plural)
(pg 3)

Leaves, Stems, Roots, Flowers, Fruit - ANSWER-What are the 5 organs of a tree:

Format answer in the form of:
______, _____, _____, _______, _____
(plural)
(pg 3)

Organs, Tissues, Specialized Cells, Differentiation, Mitosis - ANSWER-Trees are
composed of ______

,Organs are made up of _______
Tissues are groups of ___________ ____
Specialized Cells are created via _______________
Cells undergo Differentiation after they are created by the process of _______

Format answer in the form of:
______, _______, ___________ ____, _______________, _______
(plural)
(pg 3, FCHP)

Primary Growth - ANSWER-The type of growth occurring from Apical Meristems

(pg 3)

Primary Growth - ANSWER-The type of growth that results in the elongation of shoots
and roots

(pg 3)

Apical Meristem - ANSWER-The meristem located at the tip of a shoot or a root.
a.k.a. Primary Meristem

(singular)
(pg 4)

Secondary Growth - ANSWER-The type of growth occurring from secondary meristems.

(pg 4)

Secondary Growth - ANSWER-The type of growth that results in the widening / increase
in diameter of stems, branches, and roots.

(pg 4)

Secondary Growth - ANSWER-The type of growth that produces the wood of trees

(pg 3 & 4)

Secondary Meristem - ANSWER-The type of meristem that produces Secondary
Growth
a.k.a Lateral Meristem

(singular)
(pg 3 & 4)

Buds - ANSWER-House primary meristems in the shoots of a plant.

, Can be lateral or terminal. Can develop into a shoot or a flower

(plural)
(pg 4)

Stipules - ANSWER-Modified leaves (differing in function from true leaves) which serve
to protect the buds meristematic region and any developing shoot growth

(plural)
(FCHP)

Root Cap - ANSWER-Overlapping scales which help protect the apical meristem of
roots

(singular)
(pg 4)

Cambium - ANSWER-The first type of Secondary (lateral) Meristem

(pg 4)

Cambium - ANSWER-A thin sheath of dividing cells (region of mitosis) which produces
cells that specialize in making up the vascular system (vascular tissue) of the plant.

(pg 4)

Cork Cambium - ANSWER-The second type of Secondary (lateral) Meristem which
produces the bark.

(pg 4)

Periderm - ANSWER-The bark of the tree.
Literally meaning "enclosing skin"

(pg 4)

Cellulose - ANSWER-The component of the cell wall that provides the cell with its
structure. It plays a large role in providing the framework of different types of cells.

(pg 4)

Lignin - ANSWER-Provides strength and rigidity to the cell walls of wood in a tree. It
helps allow the tree to grow so tall without collapsing in on itself from its own weight.

(pg 4)