The earliest settlers on barren lands generally are:

Related Mcqs:

1. A place was rocky and barren but now there is a green forest; the sequence of origin is:

   A. Lichen, mos, herbs, shrubs
   B. Moss, lichen, herbs, shrubs
   C. Lichen, moss, shrubs, herbs
   D. Shrubs, herbs, moss, lichen

2. If a piece of land which had a plant community becomes barren due to some external thrust, the succession taking place here is called:

   A. Induced
   B. Deflated
   C. Secondary
   D. Retrogessive

3. Many forested regions of today were once barren rock areas. Mot likely this change involved the following sequence of stages:

   A. Lichens-mosses-annual herbs-wood shrubs
   B. Annual herb-weedy shrubs-lichens-mosses
   C. Woody shrubs-mosses-lichens-annual herbs
   D. Mosses-annual herbs-woody shrubs-lichens

4. Forests are assigned difficult inaccessible and low quality lands are

   A. Forests get, what can be called as residual lands in the land use
   B. The result of the agriculture based civilization
   C. Where the best available land is generally put under the plough
   D. All of the above

5. Forests and range lands of Pakistan and their conditions is:

   A. Forests area under the control of the forest department is 4.23 m. HA.
   B. Per-capita forest area is less than 0.03 ha.
   C. Both (a) & (b)
   D. None of these

6. Alpine pastures, Trans-Himalayan ranges and Himalayan forest grazing lands have a large number of:

   A. Rivers
   B. Perennial springs
   C. Seepage water for livestock
   D. All of the above

7. Range lands in Pakistan are located in:

   A. Arid areas
   B. Semiarid areas
   C. Both (a) & (b)
   D. None of these

8. Important plants in the Kohistan ranges forest grazing lands are:

   A. Trees/Shrubs: Acacia nilotics, A. Senegal, Barleria acanthoides, Calotropis procera
   B. Grasses: Aristida adscensionis, A. Nutabilis Cenchrus ciliaris, C. Biflorus
   C. Forbs: Aerva tomentosa, Cassia holosericea, Convolvulus glomeratus, Crotolaria biforia
   D. All of the above

9. Range lands are:

   A. Those areas of the world which by reason of physical limitation, low and erratic precipitation, rough topography, poor drainage
   B. Extreme temperature are unsuited to cultivation
   C. A source of wood products, water and wildlife
   D. All of the above

10. Improvement techniques of arable lands are:

    A. Mulch tillage
    B. Contour cultivation
    C. Tie Ridging
    D. Sub-soiling
    E. All of the above