Principal advantages of the selection system are:

Related Mcqs:

1. The principal disadvantages of the selection system are:

   A. The quality of the timber may be inferior to that grown in even-aged crops
   B. The whole are being always under regeneration
   C. The light conditions provided by the irregular crop of mixed ages may result in the young growth having a poor chance to develop, except with shadebearing species
   D. The fellings are scattered over comparatively large areas
   E. All of the above

2. Advantages of pure forest are:

   A. The forest easily be managed (rotation period is same soil felling can be carried out at the same time
   B. In pure forest less skill of forester is required than in mixed forest
   C. Both (a) & (b)
   D. None of these

3. Advantages of mixed stand are:

   A. Utilization of site properly
   B. Wind damages
   C. Snow damages
   D. Insect damages
   E. All of the above

4. Sustained yield management has how many advantages:

   A. It ensures continuity of the forests indefinitely
   B. It ensures steady income to owner
   C. It helps better organization of works, and assures steady employment
   D. All of the above

5. Sustained yield management has how many advantages:

   A. It ensures continuity of the forests indefinitely
   B. It ensures steady income to owner
   C. It helps better organization of works, and assures steady employment
   D. All of the above

6. Advantages of sampling technique can be enumerated as:

   A. Since the area of sampling units to be measured is small, greater care can be exercised in collection of data
   B. Supervision can be improved
   C. Fewer but better trained personnel will suffice
   D. All of the above

7. The principal of positive economic features and the underlying hypotheses about agroforestry are:

   A. Maintains or increases site productivity through nutrient recycling and soil protection, at low capital and labour costs
   B. Increase the value of output on a given area of land through spatial or inter temporal intercropping of tree and other species
   C. Both (a) & (b)
   D. None of these

8. Coppice selection means:

   A. When mature crop is removed by clear felling and regeneration is entirely by vegetative methods
   B. When some selected shoots are selected for retention for future period
   C. When crop is partly of coppicing and partly of seedling organ of different age clear
   D. None of these

9. 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

10. Selection of the “best” alternative should be based on several factors:

    A. Technical soundness of the plan
    B. Available resources in terms of funding, manpower, infrastructure, etc.
    C. Institutional (legal, political) potential for success
    D. All of the above