Question

cause of biologycal disaser

Answer 1

Answer:

Biological disasters might be caused by epidemics, accidental release of virulent microorganism(s) or Bioterrorism (BT) with the use of biological agents such as anthrax, smallpox, etc.

Answer 2

Causes Of Biological Disaster:-

1. Epidemic and Pandemic:

• When there is an outbreak of a disease in a specific region, it is called an 'epidemic'. Pandemic refers to an disease all over the world, like COVID-19.
• An epidemic is not limited to any one place. But if it spreads to other countries and other continents as well, it is called 'universal disease' or pandemic.
• Bacteria or viruses are the main cause of the epidemic.

2. Biological Agents:

• Natural enemies are called bio-agents that attack only their targets, not elsewhere.
• They don't affect the environment but humans, animals and birds.
• They're natural enemies, includes mainly insect classes.
• Example:- bacteria, fungal viruses and plant-borne insecticides.
• Small pox or diarrhoea are cause by these agents.

3. Fungi:

• Fungi is also a main cause of biological disaster as it cause disease in plants.
• Phoma blight is a new disease, but it is now becoming economically important in mango fruit production areas.
• Symptoms are caused by the fungus Peronealia glomerata.