Tending Of Forest Crops MCQs

Option A: Cultural operation are the operations undertaken for the completion

Option B: Or assistance of regeneration/afforestation

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Hundred percent successful stocking from the first sowing

Option B: Or planting out is rarely attained except with the more elaborate methods

Option C: The causalities have to be replaced to give good results

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Trees are raised with the preliminary object of helping a less hardy species

Option B: They are usually removed at an early stage as soon as they have served this purpose

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Crops of subsidiary species, (usually low shrubs but on occasion small trees or even herbs)

Option B: Intentionally introduced into a plantation with the primary object of restoring a cover to the soil as quickly as possible

Option C: It minimizing the known deterioration consequent on exposure

Option D: All of the above

Correct Answer: All of the above ✔

Option A: It is sometimes recommended for plantations as for natural regeneration to put a controlled ground fire through as soon as possible

Option B: As a fire protection measure where the fire risk is great, as often with chir pine

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Involved in uprooting weeds as compared with cutting them, has been the subject of experiments

Option B: Which indicate that local experience is necessary

Option C: As sometimes the gain is considerable, whilst at other times, perhaps mainly with light soil and only moderate weeds

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Suppression of weeds, by restricting the amount of light on the ground surface and thus hindering their germination and growth

Option B: Conservation of soil, by preventing erosion

Option C: Maintenance or improvement of soil structure, by eliminating or mitigating the severity of rain and wind action

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Enhanced humification and microbial activity leading to higher nutrient availability

Option B: Improvement of soil structure, by incorporation of plant residues and by encouraging soil fauna.

Option C: Mulching is of profound importance in dry regions

Option D: Even in more humid climates it may have very beneficial effects with certain species, e.g., the poplar

Correct Answer: All of the above ✔

Option A: Artificial mulches: Paper and plastic mulches

Option B: Natural mulches

Option C: Inorganic; soil mulch and stone mulch

Option D: Organic; branches, twigs and leaves, leaf litter, grass weed

Correct Answer: All of the above ✔

Option A: As operations carried out for the benefit of a forest crop at any stage of its life between the seeding and mature stages

Option B: It essentially covers operations on the crop itself and on the competing vegetation

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: For continuous healthy development

Option B: A tree crop requires to be protected from pests and diseases

Option C: The individual trees must have adequate room to grow

Option D: If any infected trees are present

Correct Answer: All of the above ✔

Option A: As a tending operation done in a seedling crop involving the removal

Option B: Cutting back of any sort of weed growth, even woody

Option C: That is interfering with then growth of the corp.

Option D: It merges with cleaning as the seedling grow into saplings

Correct Answer: All of the above ✔

Option A: That denotes the removal of all plants competing with the crop species in seedling stages regardless of whether their crowns are above, beside

Option B: Or below those of the desirable trees

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: As a tending operation done in the sapling crop, particularly just before

Option B: With the first thinning, involving the removal

Option C: Cutting back of all inferior growth, climbers

Option D: All of the above

Correct Answer: All of the above ✔

Option A: There is no need to eliminate any plant that is not going to suppress, endanger

Option B: Or hamper the growth of a distinctly desirable member of the new stand

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Are a great menace to young regeneration

Option B: Must be closely watched

Option C: The course of a month or two

Option D: They may pull over the saplings, break the leading shoots

Correct Answer: All of the above ✔

Option A: Natural

Option B: Self-pruning

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Killing of the branches

Option B: Shedding of the dead branches

Option C: Occlusion or healing over of the branch stub

Option D: All of the above

Correct Answer: All of the above ✔

Option A: The production of clear material on rotations shorter than that would be required with natural pruning

Option B: The necessary period of growth after treatment is rather long, so the practice ordinarily must be coupled with thinning to stimulate diameter growth

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: The contrary, properly conducted pruning is not harmful to the tree

Option B: Careless pruning can, however, cause injury to the bole, leaving wounds extending through the bark into the cambium and even to the wood

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Unnecessary haste

Option B: Use of improper tools

Option C: Pruning during the growing season when the bark is loose

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Pruning trees that are growing very slowly

Option B: Removing large branches

Option C: Eliminating too much of the live crown

Option D: Committing similar errors of judgment

Correct Answer: All of the above ✔

Option A: Choice of species

Option B: Choice of stand and site

Option C: Growth rate, size and age of tree to be pruned

Option D: Number and characteristics of tree to be pruned

Correct Answer: All of the above ✔

Option A: Initial cost

Option B: Mortality

Option C: Number of years remaining before harvest

Option D: Interest rate at which pruning cost is compounded

Correct Answer: All of the above ✔

Option A: A felling made in an immature stand fox the purpose of improving the growth and form of the trees that remain, without permanently breaking the canopy

Option B: Cutting made in immature stands in order to stimulate the growth of the trees that remain and to increase the total yield of useful material from the stand are termed thinnings

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: To redistribute the growth potential of the stand to optimum advantage

Option B: To utilize all the merchantable material produced by the stand during the rotation

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Dominant trees (d)

Option B: Suppressed trees (s)

Option C: Dead and moribund trees (m)

Option D: Diseased trees (k)

Correct Answer: All of the above ✔

Option A: Predominant trees comprising all the largest trees which determine the general top level of the canopy

Option B: Codominant trees which fall short of this, averaging about 5/6th of the height of predominant

Option C: Trees with forked leader and similar defects

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Which do not form part of the upper most leaf canopy

Option B: But the leading shoots of which are not definitely overtopped by the neighbouring trees

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Which reach only about half to 5/8th of the height of the best trees with their leading shoots definitely overtopped by their neighbours

Option B: Al least shaded on all sides by the cm

Option C: A small tree of height typical of suppressed trees standing with its leader free in a chance gap should not be classed as D or D

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Bent over

Option B: Badly leaning trees usually of the whip type

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Dominant

Option B: Dominated and suppressed

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Low thinning or ordinary thinning

Option B: Crown thinnings or high thinning

Option C: Selection thinning

Option D: Mechanical thinning

Correct Answer: All of the above ✔

Option A: Trees are removed from the lower crown classes

Option B: In the highest grade of low thinnings only the suppressed trees would be removed

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: Light Thinning (A-Grade)

Option B: Moderate Thinning (B-Grade)

Option C: Heavy Thinning (C-Grade)

Option D: Very Heavy Thinning (D-Grade)

Correct Answer: All of the above ✔

Option A: Trees are removed from the upper crown classes in order to open up the canopy

Option B: It favour the development of the most promising trees of the same classes

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: In principle from the two methods already discussed

Option B: The dominant trees are removed in order to stimulate the growth of the trees of the lower crown classes

Option C: The same kind of vigorous trees those are favoured in crown

Option D: All of the above

Correct Answer: All of the above ✔

Option A: They are restricting the development of their neighbours on all sides

Option B: They are less valuable than their neighbours

Option C: They are of no special importance with regard to desirable species mixture

Option D: All of the above

Correct Answer: All of the above ✔

Option A: The trees to be cut or retained are chosen on the basis of a predetermined spacing

Option B: Or pattern with little or no regard for their position in the crown canopy

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔

Option A: The attention is concentrated still further on the selection of the stems evenly spaced over the ground

Option B: Which are to be retained to maturity or till the last thinning or two

Option C: Both (a) & (b)

Option D: None of these

Correct Answer: Both (a) & (b) ✔