Physical properties which are subjected to change by silvicultural operations are:

Related Mcqs:

1. What is silvicultural system?

   A. It is the process by which the crops constituting a forest are tended, removed and replaced by new crops, resulting in the production on woods of a distinctive form
   B. Rearing of silk worm
   C. It is a kind of upland watersheds
   D. None of these

2. The essence of silvicultural system:

   A. The methods adopted for the regeneration of the crop
   B. The character of the crops produced by such system
   C. Distribution of the age-classes over the area of the forest
   D. All of the above

3. Soils are classified on the basis of physical properties which determine:

   A. Productive capacity
   B. Supporting power
   C. Monitor storage capacity
   D. Nutrients availability
   E. All of the above

4. Properties of clay are:

   A. Fine textured
   B. Highly plasticity
   C. Have low drainage
   D. All of the above

5. Properties of silts are:

   A. Intermediate in size between sand and clay
   B. Powdery feeling
   C. More plasticity than sand
   D. All of the above

6. Properties of ‘Sand Particles’ are:

   A. Composed of mineral quartz
   B. Larger is size
   C. Have large pores due to which they
   D. Do not retain water/nutrients
   E. All of the above

7. Certain cities of Pakistan have been subjected to tremendous air pollution due to increased:

   A. Urbanization
   B. Mechanization
   C. Industrialization
   D. Civilization

8. Mark the plant showing insecticidal properties:

   A. Ocimum basilicum
   B. Azadirachta indica
   C. Both (a) & (b)
   D. Dalbergia sissoo

9. Which of the following plants shows insecticidal properties

   A. Riccinus communis
   B. Iberis amara
   C. Cynodon dactylon
   D. All of these

10. Tending operations is / are:

    A. As operations carried out for the benefit of a forest crop at any stage of its life between the seeding and mature stages
    B. It essentially covers operations on the crop itself and on the competing vegetation
    C. Both (a) & (b)
    D. None of these