BEVAE 181 Solved Assignment 2023-24
Environmental Studies
BEVAE 181 Solved
Assignment 2023-24 : All assignments are in PDF format which would be send
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Assignment Code: ASST/ BEVAE 181/2023-24
Marks: 100
Attempt all the questions.
Section A
Q1) Why ecological
significance of forest is more important in present day context? Explain.
The ecological
significance of forests is increasingly important in the present day context
for several reasons, as forests play a crucial role in maintaining the overall
health of the planet. Here are some key reasons why the ecological significance
of forests is particularly important today:
Biodiversity
Conservation: Forests are home to a vast array of plant and animal species,
many of which are not found anywhere else. The rich biodiversity in forests
contributes to ecosystem stability and resilience. In the face of climate
change and habitat destruction, preserving biodiversity becomes critical for
the survival of various species, including those essential for maintaining
ecosystem balance.
Climate
Regulation: Forests act as carbon sinks, absorbing carbon dioxide during
photosynthesis and storing carbon in trees and soil. This helps mitigate
climate change by reducing the concentration of greenhouse gases in the
atmosphere. Deforestation and forest degradation contribute significantly to
the release of stored carbon, exacerbating global warming.
Water Cycle
Regulation: Forests play a vital role in regulating the water cycle. Trees
absorb water from the soil and release it through a process called
transpiration. This contributes to the formation of clouds and precipitation.
Deforestation disrupts this cycle, leading to altered rainfall patterns,
increased runoff, and a higher risk of floods and droughts.
Soil
Conservation: The roots of trees help bind soil particles together, preventing erosion.
Forests act as natural barriers against soil degradation, maintaining soil
fertility and preventing landslides. Deforestation can result in soil erosion,
loss of topsoil, and increased vulnerability to natural disasters.
Human
Livelihoods: Many communities around the world depend on forests for their
livelihoods. Forests provide resources such as timber, non-timber forest
products, and medicinal plants. Sustainable management of forests can support
local economies and provide a source of income for communities.
Air Quality
Improvement: Forests release oxygen as a byproduct of photosynthesis,
contributing to cleaner air. The reduction of forested areas can lead to
decreased oxygen production and increased air pollution, impacting human and
animal health.
Cultural and
Recreational Value: Forests have cultural significance for many communities and
indigenous groups. They often hold spiritual and traditional value.
Additionally, forests provide recreational opportunities and contribute to the
overall well-being of people by offering spaces for outdoor activities.
Global
Ecosystem Connectivity: Forests connect different ecosystems and provide
corridors for the movement of species. This connectivity is crucial for
maintaining genetic diversity and allowing species to adapt to changing
environmental conditions.
In the present
day, with growing concerns about climate change, loss of biodiversity, and the
need for sustainable development, recognizing and preserving the ecological
significance of forests is paramount. Global efforts are underway to promote
responsible forestry practices, reforestation, and conservation initiatives to
ensure the long-term health and resilience of forest ecosystems.
Q2) 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. How does air pollution affect the
atmospheric processes?
d) 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?
Q4) “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?
Q5) “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?
Section B
Q6) Explain the following terms in about 60 words each:
a) Seed Bank
b) Incineration
c) Biological Oxygen
Demand
d) Public Health
Q7) 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.
Q8) Explain the causes
of ozone depletion? How do ultraviolet rays affects human health, animals,
plants, micro-organisms, water and air quality.
Q9) “Education for environmental
awareness is essential for the younger generation as well as for the older
generation.” Explain the statement with suitable examples.
Q10) “Water Harvesting
is one of the effective measures to combat drought.” Explain this statement
with suitable arguments.
BEVAE 181 Solved
Assignment 2023-24 : All assignments are in PDF format which would be send
on email/WhatsApp (9958676204) just after payment.
BEVAE 181 Solved
Assignment 2023-24, BEVAE 181 Solved Assignment 2023-24, BEVAE 181 Solved Assignment
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