Biological Magnification


 
 
Concept Explanation
 

Biological Magnification

Biological Magnification:

Producers like plants and algae take in nutrients from their surroundings. Sometimes they also take in harmful chemicals along with the other nutrients. These harmful chemicals include compounds of mercury, and chemicals like DDT, which is widely used to kill mosquitoes. These chemicals cannot be broken down by plants and other organisms. So, they accumulate in their bodies. Since organisms at a higher trophic level eat many lower-level organisms, the amount of chemicals entering their bodies increases

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Sample Questions
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Question : 1

Biomagnification involves accumulation of _________________

Right Option : B
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Question : 2

If a water body is contaminated with a toxicant, its bio-magnification will be more marked in _____________

Right Option : D
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Question : 3

The ecological niche of population is a _________________

Right Option : B
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