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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
Fill in the blanks
Earthquake is an example of a major ______ disaster.
Choose the correct answer
Biological disasters occur when______, which are grown in laboratories, get released in the air.
State whether the following are true or false
West Bengal is most vulnerable to floods.

Is it man-made or natural?

What are the causes of this kind of disaster?
How do oil spills occur?
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______ lead to acute shortage of water and crop failure.
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Nepal lies on the fault called ______.
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We should make an effort to know more about the different kinds of ___________ to use in case of fire.
Fill in the blank:
_________ is the process of collecting and storing rainwater for future use.
