All Free Forestry MCQs with Answers
Every Forestry question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
1,681 questions · page 68 of 85
- A. Such irregularity may be the result of epicormic branches
- B. Also because of insect attack and genetical inheritance
- C. None of these
- D. Both (a) & (b)
Explanation: Fluting or buttressing may be associated with irregular growth around epicormic branches and can also be influenced by insect injury and…
Correct answer: Both (a) & (b)1342. Thorniness means:
- A. It is generally characteristics of species, which are growing in a dry area
- B. Are longer when present in a young coppice or shoot
- C. None of these
- D. Both (a) & (b)
Explanation: Thorniness is commonly associated with species growing under dry conditions, and thorn development may be more pronounced or longer on…
Correct answer: Both (a) & (b)- A. Seedling
- B. All of the above
- C. Pole
- D. Tree stages
- E. Sapling
Explanation: A tree generally progresses through seedling, sapling, pole and mature tree stages.
Correct answer: All of the above1344. The 'Root system' is:
- A. Form of roots
- B. All of the above
- C. Special roots
- D. Root growth
Explanation: A root system describes the arrangement or form of roots, their growth pattern and special root types or modifications.
Correct answer: All of the above- A. Girdling method
- B. Root pruning
- C. Typing a knot
- D. Grafting
- E. All of the above
Explanation: Girdling, root pruning, tying or bending a branch, and grafting can all alter hormone or nutrient movement and stimulate earlier flowering…
Correct answer: All of the above- A. All of the above
- B. Mechanical
- C. Fire treatment
- D. Water treatment
- E. Weathering
Explanation: Seed dormancy may be broken by weathering, mechanical scarification, fire or heat treatment, and soaking or other water treatments.
Correct answer: All of the above- A. Cultural operation are the operations undertaken for the completion
- B. Both (a) & (b)
- C. Or assistance of regeneration/afforestation
- D. None of these
Explanation: Tending consists of cultural operations carried out after or during regeneration to assist the establishment and development of a forest…
Correct answer: Both (a) & (b)- A. Hundred percent successful stocking from the first sowing
- B. Or planting out is rarely attained except with the more elaborate methods
- C. All of the above
- D. The causalities have to be replaced to give good results
Explanation: Complete stocking after sowing or planting is rarely achieved, so dead or missing plants, called casualties, are replaced through beating…
Correct answer: All of the above1349. Nurse crop is:
- A. Both (a) & (b)
- B. They are usually removed at an early stage as soon as they have served this purpose
- C. Trees are raised with the preliminary object of helping a less hardy species
- D. None of these
Explanation: A nurse crop is established to shelter or assist a less hardy species during its early development.
Correct answer: Both (a) & (b)1350. Cover crops is:
- A. Crops of subsidiary species, (usually low shrubs but on occasion small trees or even herbs)
- B. All of the above
- C. It minimizing the known deterioration consequent on exposure
- D. Intentionally introduced into a plantation with the primary object of restoring a cover to the soil as quickly as possible
Explanation: Cover crops are usually low-growing subsidiary plants introduced to restore soil cover, reduce exposure and limit deterioration such as…
Correct answer: All of the above- A. It is sometimes recommended for plantations as for natural regeneration to put a controlled ground fire through as soon as possible
- B. As a fire protection measure where the fire risk is great, as often with chir pine
- C. Both (a) & (b)
- D. None of these
Explanation: Controlled burning is used both to prepare or assist regeneration and to reduce hazardous fuel where fire risk is high, notably in…
Correct answer: Both (a) & (b)1352. Soil working is:
- A. Involved in uprooting weeds as compared with cutting them, has been the subject of experiments
- B. Which indicate that local experience is necessary
- C. As sometimes the gain is considerable, whilst at other times, perhaps mainly with light soil and only moderate weeds
- D. All of the above
Explanation: Experiments show that uprooting weeds through soil working can sometimes give substantial benefits, but its success depends on soil type…
Correct answer: All of the above- A. Suppression of weeds, by restricting the amount of light on the ground surface and thus hindering their germination and growth
- B. All of the above
- C. Maintenance or improvement of soil structure, by eliminating or mitigating the severity of rain and wind action
- D. Conservation of soil, by preventing erosion
Explanation: Mulches reduce weed germination by blocking light, limit erosion from rain and wind, and protect soil aggregates and structure.
Correct answer: All of the above- A. Enhanced humification and microbial activity leading to higher nutrient availability
- B. Improvement of soil structure, by incorporation of plant residues and by encouraging soil fauna.
- C. All of the above
- D. Even in more humid climates it may have very beneficial effects with certain species, e.g., the poplar
- E. Mulching is of profound importance in dry regions
Explanation: Besides insulating the soil and increasing dew deposition, organic mulch decomposes into humus, stimulates microbes and soil fauna, and…
Correct answer: All of the above- A. Artificial mulches: Paper and plastic mulches
- B. Natural mulches
- C. Inorganic; soil mulch and stone mulch
- D. All of the above
- E. Organic; branches, twigs and leaves, leaf litter, grass weed
Explanation: Mulches may be artificial, natural organic, or inorganic. Paper and plastic are artificial, while soil, stones, branches, leaves and grass…
Correct answer: All of the above- A. Both (a) & (b)
- B. It essentially covers operations on the crop itself and on the competing vegetation
- C. As operations carried out for the benefit of a forest crop at any stage of its life between the seeding and mature stages
- D. None of these
Explanation: Tending includes operations performed from the seedling stage to maturity to benefit the crop.
Correct answer: Both (a) & (b)- A. All of the above
- B. A tree crop requires to be protected from pests and diseases
- C. The individual trees must have adequate room to grow
- D. If any infected trees are present
- E. For continuous healthy development
Explanation: Tending maintains healthy continuous development by controlling pests and diseases and giving desirable trees sufficient growing space.
Correct answer: All of the above1358. Weeding is meant for:
- A. As a tending operation done in a seedling crop involving the removal
- B. Cutting back of any sort of weed growth, even woody
- C. All of the above
- D. It merges with cleaning as the seedling grow into saplings
- E. That is interfering with then growth of the corp.
Explanation: Weeding is an early-stage tending operation that removes or cuts back herbaceous and woody competitors interfering with seedlings.
Correct answer: All of the above1359. Weeding is a term:
- A. That denotes the removal of all plants competing with the crop species in seedling stages regardless of whether their crowns are above, beside
- B. Or below those of the desirable trees
- C. None of these
- D. Both (a) & (b)
Explanation: Weeding removes competing plants during the seedling stage whether they overtop the crop, grow beside it, or remain beneath its crowns.
Correct answer: Both (a) & (b)1360. Cleaning is:
- A. All of the above
- B. With the first thinning, involving the removal
- C. Cutting back of all inferior growth, climbers
- D. As a tending operation done in the sapling crop, particularly just before
Explanation: Cleaning is carried out mainly in the sapling crop before the first thinning and removes inferior growth, including unwanted climbers.
Correct answer: All of the above