MSD 012 Solved Assignment 2023-24


MSD 012 Solved Assignment 2023-24

Ecosystem and Natural Resources

MSD 012 Solved Assignment 2023-24 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

Assignment Code: ASST/ MSD 012/2023-24

Marks: 100

Attempt all the questions.

Q1. Why decomposition is the key to proper functioning of ecosystem? Explain

Decomposition is a critical process in the proper functioning of ecosystems, playing a key role in nutrient cycling and overall ecosystem health. Here are several reasons why decomposition is essential:

Nutrient Recycling:

Decomposition breaks down complex organic matter from dead plants and animals into simpler compounds, releasing nutrients like nitrogen, phosphorus, and carbon back into the soil.

These recycled nutrients are then available for uptake by plants, supporting their growth and contributing to the overall productivity of the ecosystem.

Energy Flow:

Decomposers, such as bacteria and fungi, are responsible for breaking down organic material into smaller particles.

This process releases energy stored in the organic matter, making it available for use by other organisms in the ecosystem through the food chain.

Waste Management:

Decomposition is a natural waste management system, as it recycles dead organisms and their byproducts.

Without decomposition, dead organic matter would accumulate, leading to the depletion of nutrients and the potential for the spread of diseases.

Soil Formation:

Decomposition contributes to the formation of humus, a dark, organic material that enriches the soil.

Humus improves soil structure, water retention, and nutrient availability, creating a favorable environment for plant growth.

Carbon Cycle:

Decomposition is a crucial component of the carbon cycle. When organic matter decomposes, carbon is released into the atmosphere in the form of carbon dioxide.

This carbon dioxide is then utilized by plants during photosynthesis, completing the carbon cycle and maintaining a balance in atmospheric carbon levels.

Disease Control:

Decomposition helps control the spread of diseases by breaking down dead or diseased organisms.

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Rapid decomposition prevents the accumulation of pathogens and reduces the risk of disease transmission to living organisms within the ecosystem.

Ecosystem Stability:

Decomposition contributes to the overall stability of ecosystems by preventing the buildup of organic matter that could lead to imbalances in nutrient availability and soil structure.

In summary, decomposition is a fundamental ecological process that ensures the efficient cycling of nutrients, supports energy flow through the food web, maintains soil fertility, and contributes to the overall health and stability of ecosystems. Without decomposition, ecosystems would struggle to sustain life due to nutrient deficiencies, waste accumulation, and a lack of energy flow.

Q2. Define soil fertility. What are the major categories of soil available in India? Briefly explain.

Q3. What is mineral deposit? Explain the different types and grouping of mineral resources.

Q4. Define agrobiodiversity. Discuss the role of agrobiodiversity in achieving food security in India.

MSD 012 Solved Assignment 2023-24 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

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