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. Broad leaved deciduous forests are typical of:

   A. Monsoon region
   B. Mid-latitude forests
   C. Mediterranean region
   D. Coniferous forests

3. The best seed moisture content is below 10% of the oven dry weight for the coniferous but it must be kept above _____ for most of the broad leaved species:

   A. 20%
   B. 25%
   C. 30%
   D. 35%

4. 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

5. Broad leaved forest oak are found in:

   A. Tropical deciduous forest
   B. Tropical evergreen forest
   C. North coniferous forest
   D. Temperature deciduous forest

6. Tropical dry deciduous forest having:

   A. An open rather low forest composed
   B. A few trees of the thorn forest type
   C. With a predominantly deciduous shrub layer
   D. All of the above

7. Tropical littoral and swamp forests is/are:

   A. Tidal Swamp Forests
   B. Littoral Grassland
   C. Both (a) & (b)
   D. None of these

8. Tropical thorn forests are these:

   A. Which thorny usually hard wooded species predominate, Acacia spp. Being particularly characteristic
   B. The trees usually have short boles and low branching crowns which rarely meet except on exceptionally favourable spots
   C. Both (a) & (b)
   D. None of these

9. Sub-tropical pine forest depict:

   A. High forest in which Pinus roxburghii (Chir) forms practically whole of the top canopy
   B. Which may be upto 37.5 m. High with trees upto 2.0 or 2.5 m. In girth
   C. The pine canopy tends to be nearly even aged over compact areas sometimes of considerable extent
   D. All of the above

10. Tropical rain forests are:

    A. The most valuable and the richest ecosystems on earth
    B. They play a critical pat in the earth’s life support systems and house 50% and possibly as much as 90% of all the species on earth
    C. They are a key storehouse of foods, oils and minerals and source of ingredients that make up a range of medical treatments
    D. All of the above