5.
What are the major groups of microorganisms?
Name the microorganisms which can fix atmospheric nitrogen in the
6

5.
What are the major groups of microorganisms?
Name the microorganisms which can fix atmospheric nitrogen in the
6.
XERCISES
Write 10 lines on the usefulness of microorganisms in our lives.
Write a short paragraph on the harmful effects of microorganisms
What are antibiotics? What precautions must be taken while to
9.
antibiotics?
Extended Learning – Activities and Projects
1.
Pull out a gram or bean plant from the field. Observe its roots. Yo
will find round structures called root nodules on the roots. Draw​

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