Description

SESSION JULY-AUGUST 2024
PROGRAM BACHELOR OF BUSINESS ADMINISTRATION
SEMESTER (IBVBA)
COURSE CODE & NAME DBB2204 ENVIRONMENTAL SCIENCE

Assignment Set – 1

1. Define Biosphere and Anthroposphere
Ans 1.
Biosphere
The biosphere refers to the layer of the Earth where life exists, encompassing all living
organisms and their interactions with the physical environment. It includes all ecosystems on
Earth, such as forests, oceans, grasslands, deserts, and even the atmosphere where airborne
organisms are found. The biosphere integrates the three main components of the Earth’s
environment: the lithosphere (land), the hydrosphere (water), and the atmosphere (air).
This dynamic system is crucial for maintaining the delicate balance that supports life. It
provides the necessary resources, such as water, air, and nutrients, for organisms to survive
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2. Describe Ecosystem values and services. List out reason for degradation of ecosystem
Ans 2.
Ecosystem Values and Services
Ecosystems are vital components of the Earth’s environment, providing a wide array of
benefits known as ecosystem values and services. These services are categorized into four
main types: provisioning, regulating, cultural, and supporting services. Together, they sustain
life and contribute to human well-being.
1. Provisioning Services
These include the tangible products obtained from ecosystems, such as food, water, timber,
3. Explain in detail, different types of water contaminants. List out control measure for
water contamination
Ans 3.
Different Types of Water Contaminants
Water contamination is a critical environmental issue caused by the presence of harmful
substances in water bodies. Contaminants can originate from natural or human-made sources
and affect the health of ecosystems and human populations. These contaminants are broadly
categorized into physical, chemical, biological, and radiological types.
1. Physical Contaminants
These include particles or substances that affect the appearance or physical quality of water.
Assignment Set – 2
4. Define the various reasons for population growth and how it affects our environment
Ans 4.
Reasons for Population Growth
Population growth is driven by several factors, which can vary across regions and societies.
These factors are primarily linked to improvements in living standards, cultural norms, and
economic conditions.
1. Decline in Mortality Rates: Advancements in healthcare, sanitation, and nutrition have
significantly reduced mortality rates, particularly infant and maternal deaths. Vaccinations, a
5. Explain the classification of solid waste. Come up with a plan on disposal methods
and its effects
Ans 5.
1. Classification of Solid Waste
Solid waste is classified into various categories based on its origin, composition, and potential
for reuse or recycling. These categories help in devising appropriate management and
disposal strategies.
Municipal Solid Waste (MSW): This includes everyday items discarded by households and
commercial establishments, such as food scraps, paper, plastics, glass, and packaging
6. Write a short note on climate change. Also discuss the causes of global warming. 5 + 5
Ans 6.
Climate Change
Climate change refers to long-term shifts in temperature, weather patterns, and other
atmospheric conditions on Earth. These changes are primarily driven by human activities,
although natural processes like volcanic eruptions and solar variations also contribute.
Climate change manifests in rising global temperatures, altered precipitation patterns, melting