Which of the following statements is correct?

  • A
    Algal bloom decreases fish mortality.
  • B
    Eutrophication refers to the increase in domestic sewage and wastewater in lakes.
  • C
    Biomagnification refers to the increase in the concentration of the toxicant at successive trophic levels.
  • D
    Presence of a large amount of nutrients in water restricts 'Algal Bloom'.

Explore More

Similar Questions

In $2002$,the World Summit on Sustainable Development was held in which of the following places?

All statements regarding $BOD$ (Biochemical Oxygen Demand) are correct,except:

In an ecological crisis,whose interference plays an important role?

Select the appropriate option regarding the natural aging of a lake.

Match the following and choose the correct combination from the options given:
Column $I$ | Column $II$
$(1)$ $DDT$ | $(p)$ $CO, CO_2$
$(2)$ $PAN$ | $(q)$ Smog
$(3)$ Acid rain | $(r)$ Biological magnification
$(4)$ Global warming | $(s)$ $SO_2$

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo