Q. Which of the following statements is correct?
A) Algal Bloom decreases fish mortality.
B) Eutrophication refers to increase in domestic sewage and waste water in lakes.
C) Biomagnification refers to increase in concentration of the toxicant at successive trophic levels.
D) Presence of large amount of nutrients in water restricts ‘Algal Bloom’.
Explanation
[Solution from source] Biomagnification is the increase in toxicant concentration at successive trophic levels. Algal blooms increase fish mortality, and excess nutrients promote blooms. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.