Trunk Physiology Update Test

Trunk Physiology Update Test
Please fill out your email address in the first box and your name and ISA Cert. number in the second box. Answer the questions below and when your are finished, press submit.

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Question: 1. The principal areas of any tree:
are the roots.
are the trunk.
are the leaves.
all of the above.

Question: 2. The trunk and branches of a tree:
support the weight of the foliage.
store nutrients.
.provide a conduit for water and nutrients.
all of the above.

Question: 3. Bark:
is a build up of old phloem layers.
protects the tree from external threats.
is one means of identifying tree species.
all of the above.

Question: 4. The cambium:
is responsible for producing secondary growth.
is made of vessels that are connected end to end.
dies after one year.
all of the above.

Question: 5. The phloem:
loses water by evaporation.
dies after one year.
is responsible for distributing organic nutrients.
all of the above.

Question: 6. The phloem tissue consists of:
tracheids.
up to 15 cells in thickness.
sieve-tube cells and companion cells.
all of the above.

Question: 7. The xylem:
is made of vessels that are connected end to end.
contains parenchyma cells.
is made of fibers.
all of the above.

Question: 8. Growth rings:
tell the age of the tree.
contain a dark-colored area that is growth that occurs during the spring.
contains the light-colored area that occurs during the winter.
all of the above.

Question: 9. Spring-wood occurs:
during the winter.
during the spring.
during the summer.
during the fall.

Question: 10. If a tree is harvested in winter:
the tree is a bit easier to kiln dry.
the sap is likely out of the tree.
the wood is less susceptible to twisting.
all of the above.

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