The $BOD$ limit prescribed by the Central Pollution Control Board $(CPCB)$ for the discharge of industrial and municipal wastewater into natural surface water bodies is .....
- A$< 100 \ ppm$
- B$< 30 \ ppm$
- C$< 3.0 \ ppm$
- D$< 10 \ ppm$
Explore More
Similar Questions
In a coal-based power plant,electrostatic precipitators are installed to control which of the following?
Easy
View SolutionConcentration of $DDT$ in zooplankton is
Easy
View SolutionWhich steps were taken in Delhi to reduce pollution from vehicles?
$I-$ Phasing out of old vehicles
$II -$ Use of leaded petrol
$III -$ Use of low-sulphur petrol and diesel
$IV -$ Use of catalytic converters in vehicles
$V -$ Application of stringent pollution level norms for vehicles
$I-$ Phasing out of old vehicles
$II -$ Use of leaded petrol
$III -$ Use of low-sulphur petrol and diesel
$IV -$ Use of catalytic converters in vehicles
$V -$ Application of stringent pollution level norms for vehicles
Medium
View SolutionWhich of the following metals causes harmful effects?
Easy
View SolutionExplain pollution caused by automobiles and how the use of a catalytic converter in them reduces pollution.
Medium
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo