Vedclass
Class 12BiologyEnvironmental IssuesWater Pollution and Its Control
Easy

By which method can the quantity of organic pollutants in water be determined?

  • A
    By $pH$ measurement
  • B
    By transparency measurement
  • C
    By measuring the change of colour
  • D
    By measuring $BOD$
Share

Explore More

Browse All

Question Bank

12

All Subjects

Class 12 Questions

Class 12

Biology Questions

Chapter

Environmental Issues

Subtopic

Water Pollution and Its Control

Similar Questions

When sewage is added to water bodies,fish die because:

MediumAIPMT 1996
View Solution

What is the consequence of discharging organic-rich domestic sewage into a river?

MediumNEET 2016
View Solution

What is the percentage of impurities in domestic sewage that makes it unfit for human use (in $\%$)?

Easy
View Solution

Match the following impurities in water with their respective categories:
Column-$I$Column-$II$
$(P)$ Suspended solids$(I)$ Fecal matter, bacteria, cloth and paper fibers
$(Q)$ Colloidal materials$(II)$ Sand, silt, and clay
$(R)$ Dissolved materials$(III)$ Nutrients (nitrate, ammonia, phosphate, sodium, calcium)

Medium
View Solution

Which methods can be used to prevent water pollution?

Medium
View Solution

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