MCQ Class 7 Science Chapter 13 Wastewater Story Advertisement MCQ’s For All Chapters – Science Class 7th 1. Which one of the following is a quality of wastewater?Foul smellBad tasteDirty lookAll of theseQuestion 1 of 102. Period 2005-2015 is being celebrated as the international decade for action onwater for lifeeducation for allglobal warterrorismQuestion 2 of 103. In sewerage manholes are located at every20-25 m50-60 m90-100 m100-110 mQuestion 3 of 104. Which one of the following is a step in wastewater treatment?AerationFiltrationChlorinationAll of theseQuestion 4 of 105. Sludge in separate tanks is decomposed to get biogas byyeastsaerobic bacteriaanaerobic bacterianone of theseQuestion 5 of 106. Which one of the following is used in vermi-processing toilet?EarthwormCockroachBoth of theseNone of theseQuestion 6 of 107. Sewage is mainly aliquid wasteSolid wastegaseous wasteMixture of solid and gasQuestion 7 of 108. Which of the following is/are products of wastewater treatment?BiogasSludgeBoth Biogas and sludgeAeratorQuestion 8 of 109. Open drain system is a breeding place for which of the following:FilesMosquitoesOrganisms which cause diseasesAll of theseQuestion 9 of 1010. Which of the following is not a source of waste water?SewersHomesIndustriesHospitalsQuestion 10 of 10 Loading...
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I got 10/10
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I scored 10 /10
I got 10 marks
I got 9 marks
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Devalchaur Bandobasti Rampur Road Haldwani
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VERY GOOD QUESTION
I scored 10 out of 10
thank you evidyarthi
was very easy even though i got 9 out of 10 because i c=accidentally ticked the wrong one but good quiz
NICE TEST BUT BUT VERY EASY FOR A STUDENT OF CLASS 7
its actually too easy for class 7th to solve it.
It is based on the standard 7 but is actually too easy for std7
It was very nice test for students of class 7th
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