EXERCISES

1. Bacteria cannot be seen with the naked eyes, but these can be seen with the help of a microscope. If you have to carry a sample from your home to your biology laboratory to demonstrate the presence of microbes with the help of a microscope,

Curd can be used as a sample for the study of microbes. Curd contains

numerous lactic acid bacteria (LAB) or Lactobacillus. These bacteria

produce acids that coagulate and digest milk proteins. A small drop of curd

contains millions of bacteria, which can be easily observed under a

microscope.