A. Are a great menace to young regeneration
B. Must be closely watched
C. The course of a month or two
D. They may pull over the saplings, break the leading shoots
E. All of the above
Related Mcqs:
- The relationship between a climber and the host corresponds to:
A. Neutralism
B. Mutualism
C. Parasitism
D. Commensalism - Selection thinning is:
A. In principle from the two methods already discussed
B. The dominant trees are removed in order to stimulate the growth of the trees of the lower crown classes
C. The same kind of vigorous trees those are favoured in crown
D. All of the above - Crown thinning or high thinning is:
A. Trees are removed from the upper crown classes in order to open up the canopy
B. It favour the development of the most promising trees of the same classes
C. Both (a) & (b)
D. None of these - The major types of vegetation removed is:
A. There is no need to eliminate any plant that is not going to suppress, endanger
B. Or hamper the growth of a distinctly desirable member of the new stand
C. Both (a) & (b)
D. None of these - Cleaning is:
A. As a tending operation done in the sapling crop, particularly just before
B. With the first thinning, involving the removal
C. Cutting back of all inferior growth, climbers
D. All of the above - The fundamental objectives of thinning are:
A. To redistribute the growth potential of the stand to optimum advantage
B. To utilize all the merchantable material produced by the stand during the rotation
C. Both (a) & (b)
D. None of these - Effect of the tree in pruning is:
A. The contrary, properly conducted pruning is not harmful to the tree
B. Careless pruning can, however, cause injury to the bole, leaving wounds extending through the bark into the cambium and even to the wood
C. Both (a) & (b)
D. None of these - The major steps of natural pruning is:
A. Killing of the branches
B. Shedding of the dead branches
C. Occlusion or healing over of the branch stub
D. All of the above - The major effects of mulches, irrespective of their composition, are attributed to:
A. Suppression of weeds, by restricting the amount of light on the ground surface and thus hindering their germination and growth
B. Conservation of soil, by preventing erosion
C. Maintenance or improvement of soil structure, by eliminating or mitigating the severity of rain and wind action
D. All of the above - Cover crops is:
A. Crops of subsidiary species, (usually low shrubs but on occasion small trees or even herbs)
B. Intentionally introduced into a plantation with the primary object of restoring a cover to the soil as quickly as possible
C. It minimizing the known deterioration consequent on exposure
D. All of the above
The correct answer to the question: "Climber control is:" is "All of the above".
