Question

Shashi and her friends wonder if pond water smells bad because it has microorganisms in it. Describe a way they could find out this.

Answer 1

Microbes and Microscope:

1. Microbes are organisms which are not visible by naked eyes.
2. Microbes can only be visualized under electron microscope as it is able to magnify objects by 300 times.
3. Shashi and her friend might examine the pond water with a microscope to see if microbes are present.
4. They can also boil the pond water to eliminate or remove germs before testing whether it still smells.