Question

The term biomagnification refers to

• A. increase in concentration of non-degradable poilutant through a food chain
• B. growth of organisms due to food consumption
• C. decrease in population size
• D. increase in population size

Answer 1

The Correct Option is A

The term biomagnification or biological amplification or concentration refer to the increase in concentration of non-biodegradable pollutant through successive trophic level of a food chain. The organisms of last tropic level possess high concentration of the non-biodegradable pollutant. One of the best example of biomagnification of mercury pollutant is Minimata lake of Japan. Where accumulation of pollutant in fishes through food chain was responsible for a large number of death due to Minimata disease.