Opening of canopy irregular and gradual, young crop somewhat uneven-aged:

Related Mcqs:

1. 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

2. 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

3. Felling and regeneration distributed continuously over the whole area, corp wholly uneven-aged:

   A. Uniform system
   B. Wedge system
   C. Strip system
   D. Selection system

4. 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

5. 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

6. _________ consists of a crop arranged in two different stories, one above the other; each story being approximately even-aged not of seedling as opposed to coppice origin:

   A. Two-storied high forest
   B. Three-storied high forest
   C. Four-storied high forest
   D. Five -storied high forest

7. Form of forest produced by introducing a young crop beneath an existing immature is called:

   A. High forest with standards
   B. Two-storied high forest
   C. Wedge system
   D. None of these

8. Dominant tree: Including all trees which form the upper most leaf canopy and have their leading shoots free. These are usually sub-divided into:

   A. Predominant trees comprising all the largest trees which determine the general top level of the canopy
   B. Codominant trees which fall short of this, averaging about 5/6th of the height of predominant
   C. Trees with forked leader and similar defects
   D. All of the above

9. Irregular shelter, wood system means:

   A. If canopy is opened out evenly in making regeneration felling
   B. If the canopy is opened out by creating scattered gaps which are subsequently extended over the whole area
   C. If the canopy is opened out gradually and irregularly with a long regeneration period, resulting in a more uneven aged forest
   D. None of these

10. Methods of yield regulation for even-aged forests are:

    A. Area method
    B. Periodic yield and regeneration block (Cotta Formula)
    C. Both (a) & (b)
    D. None of these