What is BOD ? | Biological Oxygen Demand

B.O.D (Biological Oxygen Demand): It shows the deficiency of oxygen in the water. Pollution in water due to presence of organic biodegradable waste causes increase in number of microbes. These microbes consumes maximum dissolved oxygen. This results in deficiency of dissolved oxygen for higher organisms.Increased BOD is an indicator of water pollution. Daphnia is the … Read more

Medieval India History by Romila Thapar PDF Download

Medieval India History by Romila Thapar : National Council of Educational Research and Training publishes Medieval India History by Romila Thapar for Class 6 under the guidance of CBSE. Students who are clear with the content that is present in Medieval Indian History Old NCERT Books can easily secure good marks in the examination. In this page … Read more

Ancient Indian History by Romila Thapar PDF Download

Ancient Indian History by Romila Thapar: National Council of Educational Research and Training publishes Ancient India by Romila Thapar for Class 6 under the guidance of CBSE. Students who are clear with the content that is present in Ancient Indian History Old NCERT Books can easily secure good marks in the examination. In this page we are … Read more

MCQ ON Performance Auditing Guidelines 2014 MCQ | SAS EXAM PREPARATION

MCQ ON Performance Auditing Guidelines We have provide Mcq on performance audit guidelines 2004 ,MCQs have been taken from available sources and telegram group. These Mcqs are provided so that it can be accessed easily for revision. Performance audit guidelines is important portion of PC 22 SAS Syllabus. Which one is not correct regarding Performance … Read more