Alpine forests occur at an altitude:

Related Mcqs:

1. 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:

   A. 140 m
   B. 150 m
   C. 160 m
   D. 170 m

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

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

4. Sub-alpine forests found in:

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

5. 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

6. Plants growing in alpine zone are dwarf due to:

   A. Low temperature
   B. High wind velocity
   C. High light intensity
   D. None of these

7. The temperature based zone at an altitude of 10,000 is:

   A. Tropical
   B. Sub-tropical
   C. Temperate
   D. Alpine

8. Rhododendron is most prominent at an altitude of:

   A. Above 9,000
   B. At 6,000
   C. 6,000-9,000
   D. At sea level

9. Alpine Scrub is:

   A. Shrub formations often forming a quite dense cover 0.4 to 1.4 m
   B. Shrub formations often forming a quite dense cover 0.5 to 1.6 m
   C. Shrub formations often forming a quite dense cover 0.6 to 1.8 m
   D. None of these

10. 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