A. When natural vegetation cannot recover within a short period and there are few desirable species
B. In grassy plains
C. In flooded areas
D. None of these
Related Mcqs:
- 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 - Range reseeding is:
A. Natural reseeding
B. Artificial reseeding
C. Both (a) & (b)
D. None of these - Large scale reseeding of selected grasses and lagumes can be undertaken immediately in comparaively high rainfall areas of:
A. Pothwar
B. Himalayan forest grazing land
C. Salt range
D. All of the above - Reseeding is generally successful on the sites where:
A. Soil moisture and nutrients for plant growth are adequate
B. In grassy lands
C. Both (a) & (b)
D. None of these - Reseeding is not likely to be successful on areas receiving less than ______
A. 300 mm
B. 400 mm
C. 500 mm
D. 600 mm - Name the principles and procedure which are used for reseeding of desert rangeland in Pakistan:
A. Proper selection of range sites
B. Choice of ecologically suitable species
C. Use of mixture
D. Elimination of plant competition
E. All of the above - Measurement of Diameter several instruments are used for measuring the diameters of trees depending on such circumstances as the position and condition of the part of the tree that is to be measured, the degree of accuracy required, and the portability, etc., of the instrument:
A. The Rule
B. The caliper
C. The Diameter Tape
D. Dendrometers
E. All of the above - What is meant by the term artificial regeneration?
A. If it is achieved naturally without involvement of man effort
B. If it is achieved by mechanically
C. If it is achieved through the involvement of human efforts
D. None of these - What are merits of artificial regeneration?
A. Quicker results
B. Full and more even stocking
C. Species composition can be regulated
D. Concentration of all phases of forest work
E. All of the above - Artificial pruning is:
A. The production of clear material on rotations shorter than that would be required with natural pruning
B. The necessary period of growth after treatment is rather long, so the practice ordinarily must be coupled with thinning to stimulate diameter growth
C. Both (a) & (b)
D. None of these
The correct answer to the question: "Artificial reseeding is prescribed in which circumstances:" is "When natural vegetation cannot recover within a short period and there are few desirable species".
