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BEVAE 181 AECC ON ENVIRONMENTAL STUDIES Solved Assignment 2023-24
| University | IGNOU (Indira Gandhi National Open University) |
| Code | BEVAE 181 |
| Course | Bachelor’s Degree Programme under CBCS |
| Title | AECC ON ENVIRONMENTAL STUDIES |
| Language | English |
| Session | July 2023-January 2024 |
BEVAE 181 Solved Assignment 2023-24 : for college kids – BEVAE 181 AECC ON ENVIRONMENTAL STUDIES Solved Assignment 2023-24, Students are advised that after successfully downloading their Assignments, you’ll find each and every course assignments of your downloaded. Candidates got to create separate assignment for the IGNOU Master Course, so as that it’s easy for Evaluators to ascertain your assignments.
Download IGNOU BEVAE 181 Question Paper
PART-A
1. Why ecological significance of forest is more important in present day context? Explain.
The ecological significance of forests has become even more important in the present-day context due to a range of environmental, social, and economic challenges that the world is facing. Forests play a critical role in maintaining the health of the planet and supporting various ecosystems, and their significance has been amplified for the following reasons:
- Biodiversity Conservation: Forests are home to a vast array of plant and animal species, many of which are endemic and found nowhere else. Biodiversity is crucial for ecosystem stability, resilience, and the provision of ecosystem services that benefit humans.
- Carbon Sequestration and Climate Regulation: Forests are among the most effective natural carbon sinks. They absorb and store carbon dioxide, helping to mitigate climate change by reducing the concentration of greenhouse gases in the atmosphere.
- Air and Water Quality: Forests act as natural filters, improving air quality by absorbing pollutants and releasing oxygen. They also play a vital role in maintaining water quality by preventing soil erosion, filtering water, and regulating water flows.
- Habitat Connectivity: Forests provide corridors that connect fragmented habitats, allowing species to migrate, disperse, and maintain genetic diversity. This is particularly important in the face of habitat loss and climate change.
- Erosion Prevention: Forests help prevent soil erosion by stabilizing soil with their root systems and providing a protective canopy that reduces the impact of rainfall on the ground.
- Water Cycle Regulation: Forests contribute to regulating the water cycle by influencing precipitation patterns, regulating runoff, and maintaining soil moisture levels.
- Medicinal and Economic Resources: Forests provide valuable resources such as timber, non-timber forest products, and medicinal plants that contribute to local economies and global trade.
- Recreation and Cultural Significance: Forests offer recreational opportunities, provide aesthetic value, and have cultural significance for many indigenous communities and societies.
- Natural Disaster Mitigation: Forests serve as natural barriers against natural disasters like floods, landslides, and avalanches, reducing their impact on communities.
- Resilience to Climate Change: Well-managed forests can enhance ecosystem resilience to climate change impacts, including extreme weather events and shifting climatic patterns.
- Research and Education: Forests provide a platform for ecological research and education, helping us understand complex ecosystem dynamics and their roles in the broader environment.
- Global Sustainability: As the world faces challenges related to climate change, biodiversity loss, and ecosystem degradation, the preservation and restoration of forests are crucial for achieving global sustainability goals, including those outlined in agreements like the Paris Agreement and the Convention on Biological Diversity.
Given the increasing concerns about climate change, loss of biodiversity, and the urgent need for sustainable development, the ecological significance of forests cannot be overstated. They are a key part of the solution for addressing these challenges and ensuring a healthy and livable planet for current and future generations.
2. Answer the following questions in about 125 words each.
a) Explain the characteristics of Western Ghats for inclusion as Biodiversity hotspots.
b) Why hydropower is regarded as the best source of energy? Explain it in detail.
c) The importance of Biomass has been increasing day by day in our surroundings among
renewable resources. Explain it with suitable examples.
d) How does air pollution affect the atmospheric processes?
e) What is Disposal of waste? Why segregation of waste is needed?
3. Explain the human-environment relationship by taking examples of biotic and abiotic
components?
4. “As humans civilisation progressed, man started altering the environment in the pursuit of
creating an economic, social and cultural environment of his own choice. This slowly
resulted in the depletion of natural resources and degradation of environment.” Explain it
in context of national legislations of water acts?
5. “Biosphere reserves are internationally recognised areas established to promote and
demonstrate a balanced relationship between Humans and the Biosphere.” Elaborate this
statement in the context of conservation of nature?
PART-B
6. Explain the following terms in about 60 words each:
(a) Seed Bank
(b) Incineration
(c) Biological Oxygen Demand
(d) Public Health
7. Answer the following questions in about 150 words each.
(a) What is lentic and lotic ecosystem? Explain these two with suitable examples.
(b) What is ecological succession? Explain the types of succession with suitable diagrams.
(c) Explain the biocentrism and ecocentrism in context of human’s attitude towards nature?
(d) Define natural calamities and its types with suitable examples.
8. Explain the causes of ozone depletion? How do ultraviolet rays affects human health,
animals, plants, micro-organisms, water and air quality.
9. “Education for environmental awareness is essential for the younger generation as well as
for the older generation.” Explain the statement with suitable examples.
10. “Water Harvesting is one of the effective measures to combat drought.” Explain this
statement with suitable arguments.
IGNOU Assignment Status 2023-24
BEVAE 181 AECC ON ENVIRONMENTAL STUDIES Solved Assignment 2023-24: Those students who had successfully submitted their Assignments to their allocated study centres can now check their Assignment Status. Alongside assignment status, they will also checkout their assignment marks & result. All this is often available in a web mode. After submitting the assignment, you’ll check you IGNOU Assignment Status only after 3-4 weeks. it’d take 40 days to declare.
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Those students who had successfully submitted their Assignments to their allocated study centres can now check their Assignment Status. Along with assignment status, they can also checkout their assignment marks & result. BEVAE 181 Solved Assignment 2023-24 All this is available in an online mode. After submitting the assignment, you can check you IGNOU Assignment Status only after 3-4 weeks. It might take 40 days to declare.
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