Yield regulation means:

Related Mcqs:

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

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

2. 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

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. 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

5. Volume regulation formulate are used:

   A. Hunder Shagen
   B. Van Mantle
   C. Blan Ford formulae
   D. All of the above

6. What is the object of sustained yield?

   A. Use of forest resource at a constant level which it can sustain in perpetuity at a given intensity of management
   B. Continuous supply of products from forests in existing stage
   C. To facilitate organization and administration
   D. All of the above

7. From yield table we determine:

   A. Future increment of even aged crop can be from valid yield table
   B. Under stocked stands tend to approach fully stocked stands with increase in age, though more rapid growth than the latter
   C. Both (a) & (b)
   D. None of these

8. Norman Borlaug, the American agricultural scientist and plant pathologist developed the high yield strains that greatly increased crop yields. He laid the groundwork for the green revolution and was awarded the Nobel Prize for Peace in ________

   A. 1970
   B. 1972
   C. 1974
   D. 1976

9. What are the contents of yield tables in term of main crop:

   A. Average diameter
   B. Average height
   C. Total basal area
   D. Number of trees
   E. All of the above

10. A yield table for any species gives the following information on per acre basis for different site qualities and at various ages of crops:

    A. Age (5, 10, 15, 20 or 25 years)
    B. Main crop
    C. Thinning
    D. Final yield
    E. All of the above