Write 10 lines on the usefulness of microorganisms in our lives.

Write a short paragraph on the harmful effects of microorganism.

Write any one use of zeolite.

Which one of the following microorganisms is used for production of citric acid in industries?

Write any two uses of silicones .

The microorganism used in production of biogas

Write three uses of cyclotron.

Write any two uses of yeast.

Write any two uses of boron.

[A] : Mycoplasma are the smallest free living microorganisms . [R] : They are prokaryotic and lack cell wall .