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Zoology · PYQ NEET UG 2023

हिन्दी

Which of the following statements is correct?

  1. Eutrophication refers to increase in domestic sewage and waste water in lakes.
  2. Biomagnification refers to increase in concentration of the toxicant at successive trophic levels.
  3. Presence of large amount of nutrients in water restricts 'Algal Bloom'
  4. Algal Bloom decreases fish mortality

Correct answer · Option 2

Biomagnification refers to increase in concentration of the toxicant at successive trophic levels.

Explanation

Biomagnification refers to the progressive increase in concentration of toxic substances at successive trophic levels.
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