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Environmental Chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryEnvironmental Chemistry1 Mark
MCQ
Bioamplification is due to :
  • A
    Increase in the concentration of pesticides in water.
  • ✓
    Gradual accumulation of pesticides from lower animals to higher animals.
  • C
    Gradual decrease in concentration of pesticides in $\ce{H_2​O}$.
  • D
    Increase in space of biosphere.
✓

Answer

Correct option: B.
Gradual accumulation of pesticides from lower animals to higher animals.
Bioamplification is the condition where the concentration of toxic chemicals increases as it moves through the trophic levels. It is also known as bio $-$ magnification. The concentration of a substance, such as $\text{DDT}$ or mercury, in an organism exceeds the background concentration of the substance in its diet.

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