They are living organisms of very small size
They are so small that we cannot see them by naked eye
We would need a microscope or a magnifying glass to see them
NCERT Question 1 (a) - Fill in the blanks:
Microorganisms can be seen with the help of a ____________.
NCERT Question 4 - Can microorganisms be seen with the naked eye? If not, how can they be seen?