Pollution is defined as:
Show answer Hide answer
Answer: A. Always an unfavourble alteration
Explanation
Pollution is ecologically defined as an unfavourable alteration of the natural environment. Human activities introduce harmful physical, chemical, or biological contaminants that degrade ecosystem health. Such adverse changes disrupt natural biogeochemical cycles and threaten the survival of living organisms. Environmental pollution encompasses air, water, and soil contamination resulting from industrial and domestic wastes. Ecosystems possess natural buffering capacities, but excessive contaminant loads cause permanent ecological damage. Scientific monitoring establishes baseline environmental parameters to detect unfavourable alterations promptly.
Environmental legislation aims to prevent unfavourable alterations by enforcing strict emission and waste standards. Public health policies rely on defining pollution accurately to protect communities from hazardous exposures. Global conservation efforts focus on reversing pollution impacts to restore degraded natural habitats. Claiming pollution is ever a favourable change contradicts the fundamental scientific definition of environmental degradation. Stating that pollution is rarely unfavourable is factually incorrect given its well documented harmful impacts. Describing it as usually unfavourable ignores the absolute fact that environmental pollution is universally detrimental.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
Related questions
Q1. The propagation method involving root suckers in Shisham is:
Show answer Hide answer
Answer: C. Both (a) & (b)
Shisham propagation utilizing root suckers involves both trenching after felling in forests and intentional practices. Forestry management exploits the natural tendency of Shisham trees to regenerate vigorously from unde...
Q2. Government possesses the legal authority to:
Show answer Hide answer
Answer: E. All of the above
Governments possess comprehensive statutory authority to confiscate property, conduct legal trials, and execute arrests. Legal frameworks grant sovereign governments exhaustive administrative powers to maintain public or...
Q3. Volume tables applicable to specific tree species are typically displayed in the format of:
Show answer Hide answer
Answer: D. All of the above
Forestry volume tables incorporate multiple standardized formats including round timber and bark volumes. Comprehensive timber measurement tables assist foresters in calculating total usable wood yields. Species-specific...
Q4. Windbreaks and shelterbelts cover:
Show answer Hide answer
Answer: C. Both (a) & (b)
Windbreaks and shelterbelts utilize strategic plantings of trees and shrubs across agricultural landscapes. They protect farmlands that are heavily exposed to damaging high-velocity winds. Both factors combine to substan...
Q5. Which of the following pairs is mismatched?
Show answer Hide answer
Answer: B. Prairie – Epiphytes
Prairies are temperate grasslands characterized by grasses rather than epiphytes, which are typical of tropical rainforests. Epiphytes require humid tropical canopy environments to absorb moisture from the air, absent in...
Q6. Wood consumption reduction involves:
Show answer Hide answer
Answer: D. All of the above
Comprehensive biodiversity strategies require surveying and cataloging indigenous flora and fauna within potentially rich natural areas. Conservationists must legally declare these biodiverse zones as protected wildlife...