These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ______ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:

Related Mcqs:

1. Sub-alpine forests found in:

   A. Kashmir
   B. Dir
   C. Swat
   D. Chitral
   E. All of the above

2. The areas laying above an altitude of about ______ and below zone of perpetual snow constitute alpine pastures:

   A. 3000 m
   B. 4000 m
   C. 5000 m
   D. 6000 m

3. Sub-alpine forest is:

   A. Coniferous trees limited to Abies (Fir)
   B. Pinus wallichiana (blue pine) stand singly
   C. In groups over an irregular, sometimes dense, lower storey of broadleaved trees
   D. All of the above

4. The alpine forests are classed under the plant group called:

   A. Mesotherms
   B. Megatherms
   C. Microtherms
   D. Hekistotherms

5. Alpine forests occur at an altitude:

   A. 3,900-6,000 m
   B. 1,900-3,000 m
   C. 1,000-1,5000 m
   D. 500-1,000 m

6. Edaphic factor is due to:

   A. Man
   B. Temperature
   C. Soil
   D. Herbivores

7. Which one of the following factors is biotic?

   A. Photoperiod
   B. CO2 content to the soil
   C. Texture and porosity of soil
   D. Rainfall

8. Dry sub-tropical broad-leaved forests having:

   A. Low forest of branchy trees forming a canopy
   B. Varying in density from complete closure
   C. Under the most favourable conditions to scattered single trees or groups on the driest sites
   D. Typically field in with a shrub growth which similarly varies in density
   E. All of the above

9. The most striking difference between tropical rain forests and temperate forests is that:

   A. The tropical rain forests have preponderance of angiosperms while the temperate ones have preponderance of gymnosperms
   B. The trees of temperate forests are taller than these of tropical rain forests
   C. Plants of temperate forests are comparatively more mesophytic
   D. Tropical forests are comparatively homogenous

10. Hazara Forest Act ________.

    A. 1936
    B. 1938
    C. 1939
    D. 1940