Need of tending operations are:
A.Sanitation: To protect from pest and diseases
B.Control of Growing Spaces: Growth and density is also controlled
C.Both (a) & (b)
D.None of these
Category: Forest Operations Mcqs
Arbocides are :
A.2-4 ? D
B.2-4 ? ST
C.Ammonium sulphate
D.Arsenic compound
E.All of the above
Tending operations means:
A.As operations carried-out for the benefit of a forest crop
B.Any stage of its life between seedling and mature stage
C.It covers operations on crop itself
D.All of the above
Factor affection thinning is/are:
A.Site quality (S.Q) : For good SQ thinning will be heavy but for poor S.Q. It will be of lighter intensity
B.For hot, dry, weedy site, southern aspect thinning will be of lighter intensity.
C.Objective: For getting timber, heavily thinnings carried out and for getting fuel wood, no need or light, thinning is done
D.All of the above
Thinning define as:
A.Felling made in an immature stand for the purpose of improving the growth
B.Form of the trees that remain, without permanently breaking the conopy
C.Both (a) & (b)
D.None of these
Thinning in mixed plantations are:
A.It is hardly impossible that mixed plant have same height
B.Ordinary thinning is not applied as it deprives of slow growing spp.
C.Both (a) & (b)
D.None of these
In different working plans different rules are prescribed. Champion, Seth and Khattak has prescribed rules are:
A.Felling of saleable dead trees
B.Thinning where crowed trees are present
C.Climber cuttings
D.Climber affected trees
E.All of the above
The major types of thinning are:
A.Mechanical
B.Selection
C.Ordinary/low
D.Crown
E.All of the above
Thinning methods are:
A.Mechanical
B.Selective
C.Schedule/statistical
D.All of the above
Thinning problems are:
A.Good and bad trees mix that their spacing in uneven, so either good trees or trees at equal spacing are maintained
B.To search out negative characteristic tree (negative approach)
C.Both (a) & (b)
D.None of these
