A. Actual annual yield (Ya) in a forest should bear the same relationship to volume of actual growing stock (Va)
B. The normal annual yield (Yn) does to volume of normal growing stock (Vn)
C. Both (a) & (b)
D. None of these
Related Mcqs:
- Von Mantel’s formula is:
A. Based on idea of relationship between volume
B. Increment Mental in 1852 formulated it
C. Both (a) & (b)
D. None of these - Numbers size of trees methods is:
A. Number of trees in each size class
B. Passage of time from one dia class to another dia class
C. Casualty percentage
D. All of the above - Stocking and density means:
A. Stocking: Is a qualitative term, which designates the relative occupation of the site by trees
B. Stand density: A quantitative measure of tree stocking, expressed either relatively as a co-efficient, taking normal numbers, basal area
C. Both (a) & (b)
D. None of these - 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 - 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 - What are the essential components of normal forest?
A. It is an ideal against which an actual forest may be compared
B. Normal increment “the increment laid on by a normal forest”
C. Normal age class distribution “A complete series of age classes in such proportions as will permit equally yields by volume from annual or periodic felling under given rotation and silvicultural system
D. All of the above - Increment determination by control method is / are:
A. In Swiss, forest are managed intensively under selection system
B. Each compartment is enumerated 100% at 5-6 years intervals
C. Records are kept by compartments of all mortality and all cut trees in interval between two successive counts
D. All of the above - Movement ration means:
A. Estimation of movement ration from actual diameter growth of individual tree
B. 4 trees will remain in 6″ dia class
C. 5 trees will move to 7″ dia class
D. 6 trees will move to 8″ dia class
E. All of the above - Current annual increment (CAI) means:
A. Every year, the volume of a growing tree or of a stand of trees, increases by quantity
B. But periodic annual increment after 5/10 years is taken to be CAI
C. Both (a) & (b)
D. None of these - Variation of volume increment with age is:
A. Current annual increment (CAI)
B. Mean annual increment (MAI)
C. Both (a) & (b)
D. None of these
The correct answer to the question: "Hunder Shagan’s formula is:" is "Both (a) & (b) ".