Natural revegetation can be achieved by:

Related Mcqs:

1. Natural revegetation is:

   A. Cheapest and slow process of rehabilitating depleted rangelands
   B. Costly and fast process of rehabilitating depleted rangelands
   C. Both (a) & (b)
   D. None of these

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

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

3. Goals of scientific range management could be achieved as:

   A. All range lands of Pakistan be developed/managed primarily for livestock production consistent with multiple land use concept
   B. Independent and effective organisations be created at provincial as well as central levels to develop and manage vast rangelands resources
   C. The survey of record of rights, where it has not been carried out yet, be taken in hand as quickly as possible
   D. Preparation of livestock feeds from agro-industrial wastes and by-products be encourages
   E. All of the above

4. The major objectives are being achieved through development of:

   A. Suitable nursery and field planting techniques
   B. For afforestation / reforestation in different ecological zones
   C. Management of watersheds, range land and wildlife sustained yield
   D. From forests harvesting, transportation and utilization of the produce
   E. All of the above

5. The ecological equilibrium in mined areas can be achieved by:

   A. Preventing soil erosion
   B. Developing a vegetational cover
   C. Preventing overgrazing
   D. Introducing agriculture

6. Soil conservation can best achieved by having:

   A. Wind screens
   B. Good plant covers
   C. Restricted human activity
   D. Low rainfall

7. In natural ecosystem, decomposers include:

   A. Only bacteria and fungi
   B. Only microscopic animals
   C. The above two types of organisms plus macroscopic animals
   D. Only the above two types of organisms

8. The major steps of natural pruning is:

   A. Killing of the branches
   B. Shedding of the dead branches
   C. Occlusion or healing over of the branch stub
   D. All of the above

9. The modification of natural hazards such:

   A. As rain, snow and climate is not practical
   B. Control of man-made hazards such as roads, fences
   C. Directed towards particular species
   D. All of the above

10. Apart from natural timber, harvested from trees, many wood-based panel products are produced which includes:

    A. Ploywood (including blackboard)
    B. Particle board
    C. Compressed fibreboard
    D. Non-compressed fibreboard
    E. All of the above