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 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

3. Wood of chir pine and eucalypts has been found useful for _________.

   A. Pulp
   B. Paper
   C. Both (a) & (b)
   D. None of these

4. The cutting of trees from the forests of hill near a catchment area:

   A. Will have no effect on causing floods in plain
   B. May cause flood in plains in rainy season
   C. Will have no effect on climatic condition of that area
   D. Will benefit the mankind for more area for cultivation

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. The altitudinal range is from about 1,525 m. To 3,350 m. Extending to ______ on southerly aspects in case of dry temperate forests:

   A. 3,550 m
   B. 3,650 m
   C. 3,750 m
   D. 3,850 m

7. Chir pine nursery is:

   A. To find out the growth response of chirpine seeds in different soil mixtures, effect of fertilizer, and suitable type of containers
   B. The best season for sowing the seed; and to find out optimum water regime for quick germination and growth
   C. Both (a) & (b)
   D. None of these

8. Pinus roxburghil (Chir pine) period of ripening of seed is:

   A. April – May
   B. September – November
   C. February – April
   D. None of these

9. It has been possible to raise the yield of resin from chir pine from the existing 1.5 kg per tree to 3.5 kg on the average per tree by using the American Bark Hack method in conjunction with ______ sulfuric acid:

   A. 30%
   B. 40%
   C. 50%
   D. 60%

10. Chir (Pinus rixburghii) utilization of timber:

    A. Roofing, flooring, railway sleepers
    B. Transmission poles, cheap joinery
    C. Furniture making match
    D. All of the above