Kingdom Monera - Harmful Activities of Bacteria

Description:

Some of the harmful activities caused by bacteria are −

Spoilage of Food − Saprotrophic bacteria cause rotting of vegetables, fruits, meat, bread, souring of milk etc.

Food Poisoning − Botulism is caused by Clostridium botulinum. Causes diarrhoea and vomiting.

Deterioration of Domestic Articles − Leather, wood, fibres etc.

Destruction of Penicillin − Bacillus brevis destroys Penicillin.

Denitrification of Soils − Converts nitrates of soil into gaseous nitrogen.

Desulphurification of Soils − Changes soil sulphates into hydrogen sulphide.

Diseases − Over 90% of the human and animal diseases and over 40% of plant diseases are caused by bacteria.