Question

What are useful bacteria?

Answer 1

Good bacteria or beneficial bacteria: These are generally referred to as probiotics and are similar to the bacteria found in the human body and are beneficial for humans and plants.

Some of the useful bacteria are as follows:

1. Streptomyces: Antibiotics that are used to treat bacterial infections are obtained from Streptomyces and hence these bacteria are called ‘good bacteria.
2. Lactobacillus Acidophilus: These bacteria are important in converting milk into curd. Dairy products such as milk are exposed to the microbial activity of the Lactobacillus acidophilus bacteria in order to produce yogurt.
3. Rhizobium: It is a bacteria found in the root nodules of the plant that supplies ammonia to the plants from the atmosphere.