Influence of climate means:

Related Mcqs:

1. Influence of soil and moisture conditions means:

   A. If soil is properly worked and weeding is carried out then any local spp can be planted nan area
   B. It has been seen that in spite of high early success there is failure later on
   C. Both (a) & (b)
   D. None of these

2. 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

3. When a plant of hot climate is transferred to colder regions, it gets an injury called:

   A. Chilling
   B. Thermal death
   C. Desiccation
   D. Freezing

4. The climate, as a whole is categorized by:

   A. Scarce and erratic rainfall
   B. Low relative humidity
   C. Extreme temperatures
   D. Strong hot and cold winds
   E. All of the above

5. Trees and climate is:

   A. Every one has experienced the blissful effect of trees on amelioration of climate
   B. Stopping under a tree for shade or shelter, driving into a tree lined road from a desert country or turning of a wind storm into a gentle breeze in a forest are common experience
   C. Both (a) & (b)
   D. None of these

6. Last stable community in succession dependent on climate is:

   A. Seral community
   B. Climax community
   C. Both (a) & (b)
   D. None of these

7. Influence of even-aged and un-even aged groups on the tree (differences) are:

   A. To bole length
   B. To growth rings
   C. To shade
   D. To number of trees
   E. All of the above

8. Conditions or factors which influence the crown closure is:

   A. Manner of formation of the stand
   B. Quality of soil
   C. Soil moisture
   D. All of the above

9. Influence on crop yields is:

   A. Are carefully measured at various points on a line perpendicular to the center of the windbreak
   B. By calculation, it can be shown that the total potential yields for most crops will be 2-10% greater on the field
   C. Both (a) & (b)
   D. None of these

10. Regeneration means:

    A. Replacement of one crop by the other
    B. Rotation of crops
    C. Both (a) & (b)
    D. None of these