An opendrain system is a breeding place for which of the following a Flies b Mosquitoes c Organisms ...

Name: s-bb-ncertexemplar7-chp18-ex-q4
Uploaded: 2022-01-05T06:16:12+00:00
Description: NCERT Exemplar Solutions - Science - class 7 Wastewater Story Wastewater Story - Exercise solutions written by Lido's expert teachers

Question

An opendrain system is a breeding place for which of the following a Flies b Mosquitoes c Organisms which cause diseases d All of these

Accepted Answer

The answer is d All of these Explanation The opening draining system causes problems with the foul smell The open drainage system is the breeding sources for mosquitos and flies The open drainage system also helps the growth of diseasecausing organisms

NCERT Exemplar Solutions Class 7 Science Solutions for Wastewater Story - Exercise in Chapter 18 - Wastewater Story