Water filled in two glasses $A$ and $B$ have $BOD$ values of $10$ and $20$ respectively. The correct statement regarding them is:
- A$B$ is more polluted than $A$
- B$A$ is suitable for drinking,whereas $B$ is not
- Cboth $A$ and $B$ are suitable for drinking
- D$A$ is more polluted than $B$
Explore More
Similar Questions
Which one of the following is mainly responsible for the depletion of the ozone layer?
Assertion : Photochemical smog is produced by nitrogen oxides.
Reason : Vehicular pollution is a major source of nitrogen oxides.
Reason : Vehicular pollution is a major source of nitrogen oxides.
MediumAIIMS 2003
View SolutionWrite a note on the effect of various pesticides on living things.
Medium
View SolutionMatch the water pollutants given in List-$I$ with their sources given in List-$II$.
List-$I$ List-$II$ $A$. Toxic heavy metals $1$. Soil erosion from agricultural and mineral industries. $B$. Pesticides $2$. Domestic sewage disposal. $C$. Sediments $3$. Chemical factories and industries. $D$. Microorganisms $4$. Substances used to kill insects,fungi,and weeds.
| List-$I$ | List-$II$ |
|---|---|
| $A$. Toxic heavy metals | $1$. Soil erosion from agricultural and mineral industries. |
| $B$. Pesticides | $2$. Domestic sewage disposal. |
| $C$. Sediments | $3$. Chemical factories and industries. |
| $D$. Microorganisms | $4$. Substances used to kill insects,fungi,and weeds. |
Easy
View Solution$BHC$ and $DDT$ act as
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