Fill in the blanks with suitable words :
c) Micro - organisms can be seen with the help of a ……..

Explanation

To fill in the blank for the statement "Micro-organisms can be seen with the help of a ……..", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for a tool or instrument that is used to observe micro-organisms, which are too small to be seen with the naked eye.

2. **Identify the Characteristics of Micro-organisms**: Micro-organisms include bacteria, viruses, fungi, and protozoa, which are generally microscopic in size.

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