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प्रश्न
What are biological disasters?
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उत्तर
Biological disasters are caused by germs developed in laboratories and released in the air to kill a large number of people. When these microbes are inhaled by a person, or get absorbed in his system through a cut or wound, they can infect him. Example — Even a few drops of the smallpox or plague virus could start an epidemic, killing thousands of people.
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संबंधित प्रश्न
Match the Columns
| A | B | ||
| 1 | Drought | a | Man-made disaster |
| 2 | Hiroshima bombing | b | Chemical disaster |
| 3 | Underwater earthquakes that cause tsunamis | c | Largest oil spill disaster |
| 4 | Accidental release of toxins in the environment from factories | d | Insufficient rainfall |
| 5 | Deepwater Horizon | e | Natural disaster |
What kind of environmental damage does a flood cause?
How do chemical disasters occur?
Which coastal region of India is cyclone-prone?
Is it man-made or natural?
How are disasters classified?
What causes fire? Give one example.
Fill in the blanks
While most disasters happen suddenly like earthquake, nuclear explosion, others like ______ may have a slow beginning and later increase in extent and intensity.
Fill in the blanks
An ______ is a sudden violent movement of a portion of the earth’s crust.
Fill in the blanks
______ explosion is the largest oil spill in the history of petroleum industry.
