When a huge amount of sewage is dumped into a | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The $BOD$ (Biochemical Oxygen Demand) is a measure of the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic m

Vedclass · Accepted Answer

Increase

Vedclass · Answer

(A) The $BOD$ (Biochemical Oxygen Demand) is a measure of the amount of dissolved oxygen required by aerobic microorganisms to decompose the organic matter present in a given volume of water.When a large amount of sewage is dumped into a river,it introduces a significant quantity of organic matter.Microorganisms consume this organic matter,which leads to an increase in their metabolic activity and oxygen consumption.Therefore,the $BOD$ of the water increases as the level of organic pollution rises.

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)

When a huge amount of sewage is dumped into a river,the $BOD$ will

Similar Questions

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

What do you mean by Biological Oxygen Demand $(BOD)$?

Which of the following causes an outbreak of jaundice?

If water pollution continues at its present rate,it will eventually cause:

Vedclass Test Series

Exam Paper Generator

Online Exam Module