CSS :: Tending Of Forest Crops
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1. |
Tending of forest crops includes: |
A. |
Cultural operation are the operations undertaken for the completion |
B. |
Or assistance of regeneration/afforestation |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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2. |
Beating up (Replacement) covers: |
A. |
Hundred percent successful stocking from the first sowing |
B. |
Or planting out is rarely attained except with the more elaborate methods |
C. |
The causalities have to be replaced to give good results |
D. |
All of the above |
Answer: Option D
Explanation:
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3. |
Nurse crop is: |
A. |
Trees are raised with the preliminary object of helping a less hardy species |
B. |
They are usually removed at an early stage as soon as they have served this purpose |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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4. |
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 |
Answer: Option D
Explanation:
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5. |
Controlled burning depicts: |
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 |
Answer: Option C
Explanation:
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6. |
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 |
Answer: Option D
Explanation:
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7. |
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 |
Answer: Option D
Explanation:
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8. |
Thermal insulation, leading to greater deposition of dew. In addition organic mulches also contribute to: |
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. |
Mulching is of profound importance in dry regions |
D. |
Even in more humid climates it may have very beneficial effects with certain species, e.e., the poplar |
E. |
All of the above |
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Answer: Option E
Explanation:
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9. |
The major types of Mulches is / are: |
A. |
Artificial mulches: Paper and plastic mulches |
B. |
Natural mulches |
C. |
Inorganic; soil mulch and stone mulch |
D. |
Organic; branches, twigs and leaves, leaf litter, grass weed |
E. |
All of the above |
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Answer: Option E
Explanation:
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10. |
Tending operations is / are: |
A. |
As operations carried out for the benefit of a forest crop at any stage of its life between the seeding and mature stages |
B. |
It essentially covers operations on the crop itself and on the competing vegetation |
C. |
Both (a) & (b) |
D. |
None of these |
Answer: Option C
Explanation:
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