Class 8 Science - Biology Microorganisms Friend and Foe - Worksheet
Fill in the blanks with suitable words:
1. The science which studies about microorganisms is known as _________________.
2. Microbes can be seen with the help of a _______________.
3. Blue-green algae fix ___________ directly from air to enhance the fertility of the soil.
4. Alcohol is produced with the help of ___________
5. Cholera is caused by ________.
