There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They can accumulate in the environment and contaminate water and soil. 2. They can enter the food chains. 3. They can trigger the production of free radicals. Select the correct answer using the code given below.

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why? 1. They can accumulate in the environment — UPSC Prelims 2014 Answer & Explanation

Environment & Ecology2014

There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?

They can accumulate in the environment and
They can enter the food chains.
They can trigger the production of free radicals.

Select the correct answer using the code given below.

Explanation

The concern regarding nanoparticles of certain chemical elements in industrial products hinges on their potential environmental and health impacts. Firstly, nanoparticles can persist in the environment, leading to contamination of soil and water, where they may disrupt ecosystem balance. Secondly, due to their small size and high reactivity, these particles can easily enter food chains, posing risks to both wildlife and human health through bioaccumulation. Finally, nanoparticles can trigger oxidative stress by producing free radicals, contributing to cellular damage and various health issues. Understanding these interconnected risks is crucial in the context of environmental science and public health, as emphasized in standard UPSC-level resources.

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