What are the uses of bacteria ??
Answers
Explanation:
Autobiography of a Mobile Phone – Short Essay
Category: Essays and Paragraphs
On January 12, 2019 By Ananda
I’m a mobile phone. I wrote my autobiography. I am one of the very delicate phones. Tring! Tring! Is my sound. You can hear me everywhere. Life is incomplete without me. Let’s takes you back to my life story. I hope you will enjoy it.
My Origin:
I’m a latest touch phone and was made by a famous company. I shone like a bright sun in the start.
Answer :
Bacteria perform a number of beneficial activities in nature, viz , decomposition of organic wastes , recycling of minerals and biological nitrogen fixɑtion. They are also harmful as they cause many diseases in both humans and animals Bacteria therefore rightly called " freinds and foes of mankind " .
Useful Activities :
Agriculture :
- Nitrogen fixɑtion ... performed by Rhizobium leguminozarum (symbiotic)
- Ammonification .... eg : Bacillus ramosus , B vulgaris etc ....
- Nitrification ... eg : nitrobacter
- Bio insecticide ... bacillus thuringinesis is used as an agent against insect pests .
Industry :
- Curd preparation ... performed by streptococcus lactis , lactobacillus
- Curing : fermenting the leaves of tea and tobacco eg : bacillus megatherium
- Retting : eg :- clostridium speceis
- Production of Antibiotics
Bionoming :
Some bacteria are used in extracting valuable matal like Uranium from rocks .
Biosensensors :
DNA components from bacteria are used to detect biologically active toxic pollutants.
Bacteria are also used in medical diagnostic , food and fermentation and operations.