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1. |
Tree Morphology' means: |
A. |
A branch of biology, which deals with external appearance or structure of plants |
B. |
Every tree has parts: Crown, stem, and roots |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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2. |
Shapes of crown serve to expose the leaves to sunlight and air. The types of crowns of tree: |
A. |
Conical |
B. |
Umbrella |
C. |
Spherical |
D. |
Columnar |
E. |
All of the above |
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Answer: Option E
Explanation:
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3. |
Crown includes: |
A. |
Palm trees |
B. |
Bamboo |
C. |
Conifers |
D. |
All of the above |
Answer: Option D
Explanation:
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4. |
General characteristics of crown are: |
A. |
In young age crowns are usually conical in shape but as the time passes the crown shape becomes rounded |
B. |
Drooping forms also occur in many species e.g. Polyalthia longifolia |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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5. |
Variation in 'Stem shape' is: |
A. |
in Most conifers, many species of bole dipterocarpus, Eucalyptus, Populus and Salmalia malabarica etc. |
B. |
In Teak seedlings have no branches till their third growing season |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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6. |
Forked Stem' is: |
A. |
Sometimes two shoots appear at the same time, giving usually a larger crown but from the forester's point of view, this is a most unsatisfactory bole |
B. |
Forking is often caused by injuries such as those resulting from frost damage, wind or hail storms, insect attack, particularly by budwarm (Salmalia) |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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7. |
How many parts of bark ? |
A. |
Outer part - dead |
B. |
Inner part - living (Cortext) |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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8. |
Functions of bark are: |
A. |
As a protective material against extreme conditions of temperature |
B. |
If the temperature is very light or very cold whatever the case may be |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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9. |
Reasons for fluting (buttressing) stem: |
A. |
Such irregularity may be the result of epicormic branches |
B. |
Also because of insect attack and genetical inheritance. |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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10. |
Thorniness means: |
A. |
It is generally characteristics of species, which are growing in a dry area |
B. |
Are longer when present in a young coppice or shoot |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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