Methods of yield regulation for even-aged forests are:

Related Mcqs:

1. 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

2. The Boluchistan Wild Birds and Animals (Amendment) Regulation (Regulation 3 of ________):

   A. 1940
   B. 1941
   C. 1942
   D. 1943

3. What are the objects of yield regulation?

   A. To protect measure trees from wastage
   B. Molding growing stock into efficient machine
   C. Optimum and regular yield
   D. To meet the demand of the people
   E. All of the above

4. Yield regulation means:

   A. A loose term generally to the determination of yield and prescribed means of achieving it
   B. Yield includes final yield and intermediate yield
   C. Both (a) & (b)
   D. None of these

5. 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

6. 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

7. Forage yield of grass depends on soil moisture after burning. In wet areas when there is enough presipitation after burning, forage yield can be increased by ________

   A. 50 percent
   B. 60 percent
   C. 70 percent
   D. 80 percent

8. Normal uneven-aged forest means:

   A. Cannot be easily visualized as that of even-aged forests
   B. To provide sustained yield annually, an unevenaged forest must have more trees in each of lower size classes
   C. Both (a) & (b)
   D. None of these

9. Opening of canopy by scattered gaps, young crop more or less even-aged in which system:

   A. Uniform system
   B. Group system
   C. Irregular system
   D. Strip system

10. Opening of canopy even young crop more or less even aged and uniform felling happing under:

    A. Uniform system
    B. Group system
    C. Irregular system shelterwood system
    D. Strip system