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 he code given below :
-
A.
1 and 2 only
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B.
3 only
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C.
1 and 3 only
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D.
1, 2 and 3
Correct Answer:
D. 1, 2 and 3
Explanation:
Due to their stability and minute size, many nanoparticles tend to accumulate and easily penetrate food chains. Their resilient nature allows them to persist within these systems, where they can induce oxidative stress in cells by generating free radicals.
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