WBCS.LIVE practice question

Which term describes the accumulation of toxic substances in a food chain, increasing in concentration at higher levels?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Eutrophication
  2. Biomagnification
  3. Photosynthesis
  4. Decomposition

Correct answer and explanation

Correct answer: Biomagnification

Explanation: āœ… Correct Answer: B) Biomagnification šŸ“š Explanation: Biomagnification occurs when persistent chemicals, such as DDT or mercury, are absorbed by organisms at the bottom of the food chain. Because these substances are not easily broken down, their concentration increases significantly as they move up toward apex predators. This process can lead to severe health issues and reproductive failure in birds and large mammals.