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प्रश्न
What makes Bihar the most flood-prone state among all north Indian states?
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उत्तर
Bihar is the most flood-prone state among all north Indian states because many of the rivers flowing through Bihar, such as the Kosi, Bagmati and Gandaki, flow through the high mountainous region of Nepal, before crossing very small distances and rapidly reaching the plains of Bihar, making them far more forceful. When it rains heavily in Nepal, the extra water enters these river channels and rushes into the plains of Bihar. As the rivers break their banks and overflow into the adjoining areas, large area of land and thousands of people and livestock are affected. More than 76% of the population in Northern Bihar live under the threat of floods every year.
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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 |
State whether the following are true or false
Oil spills harm marine life.
On an outline map of India mark the following
- Earthquake zones with moderate damage risk and high damage risk.
- Any two flood-prone areas
- Any two cyclone zones
- Any two drought-prone areas
What are biological disasters?
How do oil spills occur?
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
Earthquakes usually occur without ______.
Fill in the blanks
About ______ per cent of the land area in India is drought-prone.
Write true or false:
The geographical location and landscape of India expose it to earthquakes.
Fill in the blank:
_________ is the process of collecting and storing rainwater for future use.
