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CSS :: Tree Morphology


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

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    

3.  Crown includes:
A. Palm trees B. Bamboo
C. Conifers D. All of the above

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

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

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

7.  How many parts of bark ?
A. Outer part - dead B. Inner part - living (Cortext)
C. Both (a) & (b) D. None of these

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

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

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




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