The major steps of natural pruning is:

Related Mcqs:

1. The major factors of financial as pects of pruning are:

   A. Initial cost
   B. Mortality
   C. Number of years remaining before harvest
   D. Interest rate at which pruning cost is compounded
   E. All of the above

2. Pruning can be highly profitable or extravagantly wasteful, depending on the judgment of the supervisor of the work. The important considerations are:

   A. Choice of species
   B. Choice of stand and site
   C. Growth rate, size and age of tree to be pruned
   D. Number and characteristics of tree to be pruned
   E. All of the above

3. Effect of the tree in pruning is:

   A. The contrary, properly conducted pruning is not harmful to the tree
   B. Careless pruning can, however, cause injury to the bole, leaving wounds extending through the bark into the cambium and even to the wood
   C. Both (a) & (b)
   D. None of these

4. Artificial pruning is:

   A. The production of clear material on rotations shorter than that would be required with natural pruning
   B. The necessary period of growth after treatment is rather long, so the practice ordinarily must be coupled with thinning to stimulate diameter growth
   C. Both (a) & (b)
   D. None of these

5. Construction procedure essentially involves the steps:

   A. Selection of the sample trees
   B. Determining the sample size for each diameter and height class
   C. Felling the trees in the forest and their careful measurement
   D. All of the above

6. The major types of methods of thinnings is:

   A. Low thinning or ordinary thinning
   B. Crown thinnings or high thinning
   C. Selection thinning
   D. Mechanical thinning
   E. All of the above

7. The major types of vegetation removed is:

   A. There is no need to eliminate any plant that is not going to suppress, endanger
   B. Or hamper the growth of a distinctly desirable member of the new stand
   C. Both (a) & (b)
   D. None of these

8. The major types of Mulches is / are:

   A. Artificial mulches: Paper and plastic mulches
   B. Natural mulches
   C. Inorganic; soil mulch and stone mulch
   D. Organic; branches, twigs and leaves, leaf litter, grass weed
   E. All of the above

9. The major effects of mulches, irrespective of their composition, are attributed to:

   A. Suppression of weeds, by restricting the amount of light on the ground surface and thus hindering their germination and growth
   B. Conservation of soil, by preventing erosion
   C. Maintenance or improvement of soil structure, by eliminating or mitigating the severity of rain and wind action
   D. All of the above

10. Which area of Pakistan have a high potential for natural revegetation?

    A. Potohar
    B. Cholistan
    C. River side
    D. None of these