1. Major part of annual rings is
formed by
a) spring wood
b) autumn wood
c) both a and b
d) none of these
2. Autumn wood is present at the ---of annual ring
a)beginning
b)middle
c)end
d)none of these
3. Heartwood is also known as
a)duramen
b)sap wood
c)non porous wood
d)porous wood
4. Which region in heartwood is light in colour?
a)innermost region
b)middle region
c)outermost region
d)peripheral region
5. Tracheid percentage is 90-95% in
a)soft wood
b)hardwood
c)sapwood
d)heartwood
a) non porous wood
b)
homoxylous wood
c) early
wood
d) hard
wood
7. Which of the following
monocot showing anaomalous secondary growth?
a) Rice
b) Maize
c)Dracena
d)none of the above
8. Which of the following is
durable?
a) Heartwood
b) soft wood
c) sap wood
d)Spring wood
9. In an old stem the major part
of wood is filled with tannins, resins, gums etc. This region is known are
a) sap wood
b) soft wood
c) Heartwood
d)Spring wood
10. The age of tree by counting
the annual rings is called
a)chronology
b)countology
c)dendrology
d)dendrochronology
Learn more: MCQ on Paleobotany MCQ on Plant Pathology
Answers
1. a) spring wood
2. c)end
3. a)duramen
4. d)peripheral region
5. a)soft wood
6. a) non porous wood
7. c)Dracena
8. a) Heartwood
9. c) Heartwood
10. d)dendrochronology
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