Neha Sharma, Dimple Tomar and, Dr. Archana Pundirr Solutions for Chapter: Waste Management, Exercise 5: EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT
Neha Sharma Science Solutions for Exercise - Neha Sharma, Dimple Tomar and, Dr. Archana Pundirr Solutions for Chapter: Waste Management, Exercise 5: EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT
Attempt the practice questions on Chapter 18: Waste Management, Exercise 5: EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT with hints and solutions to strengthen your understanding. Start Up Science 7 solutions are prepared by Experienced Embibe Experts.
Questions from Neha Sharma, Dimple Tomar and, Dr. Archana Pundirr Solutions for Chapter: Waste Management, Exercise 5: EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT with Hints & Solutions
Give two examples each of organic impurities, inorganic impurities, nutrients, bacteria and microbes present in sewage.
Wastewater released from houses is called domestic sewage.
Discharge of untreated sewage into water bodies leads to dense algal growth.
Stagnant water does not lead to any disease.
Dried sludge can be used as manure.
Contamination of drinking water can happen in covered drains also.
Chemical products such as medicines, motor oils, paints, grease, machine oils and insecticides may kill water-purifying microorganisms and accelerate the degradation process.
Increased growth of algae occurs due to the presence of
