This is a class of science and technology.I am studying 3rd chapter of your syllabus name microorganisms friends or enemy.This chapter is most basic concepts of biology.This chapter will further help in upcoming study.I firstly cover basic concept on that.then introduction about this topic . microorganisms types like bacteria viruses fungue etc.Then study about how it may help us in our daily life,our health,our productivity,our foodetc.some example given to you for better understanding.Then we start learning about bacteria its tyare its benifits,why some good bacteria in our environment has been deprived? What is save soil mission?How bacteria is become enemy for us? Then talks about virus its varient its tramission how then effects us good and bad.what are the steps we do for subside virus and bacteria.who is more danger virus or bacteria?Other musselanious topic like fungus algae etc.After study that we will conclude the topic.Then discuss about your doubts.If you enjoy my session then upcoming classes we will arrange