A. Which do not form part of the upper most leaf canopy
B. But the leading shoots of which are not definitely overtopped by the neighbouring trees
C. Both (a) & (b)
D. None of these
Related Mcqs:
- Common combinations of the agroforestry system in Pakistan are: Trees species: Agricultural crops grown with trees:
A. Poplars: wheat / maize / turmeric / sugarcane / vegetables / fodder
B. Eucalypts: wheat/sunflower/tomatoes/potatoes/chilies
C. Simal: maize/sunflower/vegetables/fodder
D. Shisham: turmeric/wheat/maize/vegetables
E. All of the above - The climax vegetation in a lithosere of temperate zone is dominated by plants like:
A. Boswellia
B. Balanites
C. Anogeissus
D. Quercus - The classes of trees are removed in selection thinning:
A. They are restricting the development of their neighbours on all sides
B. They are less valuable than their neighbours
C. They are of no special importance with regard to desirable species mixture
D. All of the above - Diseased trees (k) including those which are infected with parasites to such an extent that their growth is seriously affected or that they are a danger to their neighbours:
A. Dominant
B. Dominated and suppressed
C. Both (a) & (b)
D. None of these - Suppressed trees (S) is:
A. Which reach only about half to 5/8th of the height of the best trees with their leading shoots definitely overtopped by their neighbours
B. Al least shaded on all sides by the cm
C. A small tree of height typical of suppressed trees standing with its leader free in a chance gap should not be classed as D or D
D. All of the above - Dead and Moribund trees (m) include:
A. Bent over
B. Badly leaning trees usually of the whip type
C. Both (a) & (b)
D. None of these - Dominant tree: Including all trees which form the upper most leaf canopy and have their leading shoots free. These are usually sub-divided into:
A. Predominant trees comprising all the largest trees which determine the general top level of the canopy
B. Codominant trees which fall short of this, averaging about 5/6th of the height of predominant
C. Trees with forked leader and similar defects
D. All of the above - Form of forest produced by retaining certain trees of the old crop after regeneration is completed known as:
A. High forest with standards
B. Selection system
C. Two-storied high forest
D. None of these - The number of trees required as a basis for a satisfactory table depends upon:
A. The grouping adopted
B. The precision required
C. The deviations of individuals tree volumes from the means in each group
D. All of the above - Importance of trees are:
A. One of the most precious gifts of God to mankind
B. When planted over large areas, they constitute a valuable resource
C. A resource much superior to other bounties and blessing because not only it is renewable but also it is multipurpose one
D. All of the above
The correct answer to the question: "Dominated trees (d) is:" is "Both (a) & (b) ".