PPSCFPSCNTSPakistan govt jobs
- Subject
- Forestry Mcqsforestry-mcqs
- Published
- 24 May 2024
- Last updated
- 28 May 2026
Explanation
A windbreak with 50% crown density provides better protection than one with either full (100%) density or a lower density such as 25%. Therefore, 25% density windbreaks are less effective compared to those with 50% or 100% density.
More Forestry Mcqs
Practice related questions from the same subject.
- 1.What do windbreaks or shelterbelts typically encompass?
- 2.What factors determine the type of windbreak used?
- 3.Which of the following best describes how windbreaks operate?
- 4.What is the optimal crown density percentage for tall rows when low-profile shrubs and rows have a full 100% crown density in an effective windbreak design?
- 5.In Pakistan, due to the limited size of agricultural fields, windbreaks typically consist of 2 or 3 rows. The protective influence of these windbreaks generally extends approximately 12 times the height downwind and _____ times the height upwind. What is the upwind distance factor?
- 6.How does the influence on crop yields manifest?
- 7.Once the windbreak has been correctly designed and implemented, which management aspects should the farmer prioritize?
- 8.At what altitude above sea level is the oldest known Bristlecone Pine (Pinus longaeva) located on the northeast slope in Nevada, USA?
Subcategories
- AGRO FORESTRY
- Afforestation Method
- Afforestation Techniques
- Agro-forestry and social forestry's
- Associated Concepts in Forestry
- Biodiversity
- Ecology and General Silviculture
- Forest Classifications
- Forest Management
- Forest Mensuration
- Forest Nursery Techniques
- Forest Operations
- Forest Protection
- Forest Types and Geographical Distribution
- Forestry Environment
- Forestry MISCELLANEOUS
- Forestry Situation in Pakistan
- Importance of Trees
- Landscape Planning
- Laws and Policies
- Ornamental Plants
- Pollution
- Population Biotic Community
- Protected Areas of Pakistan
- Research and Education in Forestry
- Social Forestry
- Soil Erosion and Conservation
- Soils and Topography
- Sustained Yield Regulations
- Tending Of Forest Crops
- Tree Morphology
- Trees on NON-Forest Areas
- Utilization of Forest Products
- Valuation of Forest Crops
- Watershed and Range Management
- Wildlife and its Management
- Windbreaks - Shelter belts
- World of Trees