2024 · Paper IV · 10 marksFrequently asked

"Proper functioning of various components of eco-system is the basis for maintaining pollution-free environment." Discuss.

In short

Producers, consumers and decomposers together regulate natural cycles, absorbing, transforming and recycling pollutants, so their proper functioning keeps the environment clean. Vegetation filters air, balanced food webs protect water bodies and decomposers break down waste, while deforestation and industrial effluents, as near Ramagundam, weaken these functions.

Model answer

Ghissu Editorial · Verified 4 Oct 2026

Introduction
The proper functioning of ecosystem components is fundamental to sustaining a pollution-free environment by regulating pollutant absorption, transformation, and recycling. This role is increasingly crucial amid rising industrialisation and urbanisation, which intensify pollution and threaten human health and ecological balance, including in rain-fed Telangana.
Importance of Ecosystem Components
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Producers Sustain Energy Flow

Plants and phytoplankton convert solar energy into biomass, forming the base of food chains; tank restoration under Mission Kakatiya has revived aquatic vegetation and ecosystem resilience.

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Consumers Regulate Populations

Herbivores, carnivores and omnivores keep species in balance; apex predators in Kawal Wildlife Sanctuary check herbivore numbers and prevent overgrazing.

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Decomposers Recycle Nutrients

Fungi and bacteria break down organic matter and waste, returning nutrients to the soil and reducing the need for chemical fertilisers.

Contribution to a Pollution-Free Environment
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Natural Filters

Vegetation absorbs carbon dioxide and particulate matter, and urban green spaces in Hyderabad complement the National Clean Air Programme, while wetlands absorb nutrients that would otherwise cause algal blooms.

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Strains on Functions

Deforestation, habitat fragmentation and industrial effluents, as near Ramagundam, weaken these components and their pollution-control capacity.

Way Forward
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Restore and Protect

Expand wetland and forest restoration, protect wildlife habitats, build green infrastructure into Hyderabad's growth and involve communities in monitoring pollution.

Conclusion
Producers, consumers and decomposers together regulate natural cycles and cleanse pollutants, making them the basis of a pollution-free environment. Protecting them fulfils the duty under Article 51-A(g) and supports SDG 13 and 15.

This model answer is indicative and the model can make mistakes; please verify key facts independently.

Hand-drawn diagram: Ecosystem Cycle that Cleans Pollution. Ecosystem Cycle that Cleans Pollution. Flow: Producers absorb CO2 and particulates → Consumers keep populations balanced → Decomposers break down organic pollutants → Nutrients return to soil → (back to start)
Diagram: Ecosystem Cycle that Cleans Pollution

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This chapter in the exam

Ecosystems and biodiversity4 questions

Asked in 2 of 2 sittings since 2016

2016
2
2024
2

Most tested: Biodiversity conservation and its practical management

All 4 questions, sorted by sub-topic, with model answers and practice.

Question from the official TGPSC Group-I Mains 2024 paper. Answer written by Ghissu's engine and checked against our editorial standards. Found an error? Tell us and we correct it within 48 hours.

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