CLASS 8 SCIENCE CHAPTER-2 MICRO ORGANISMS
Question 1. Fill in the blanks.(a) Microorganisms can be seen with the help of a________________.(b) Blue-green algae fix ______________ directly from air to enhance fertility.(c) Alcohol is produced with the help of __________.(d) Cholera is caused by ____________.Solution :(a) Microorganisms can be seen with the help of a microscope.(b) Blue-green algae fix nitrogen directly from …