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Chapters
1.2: From Trade to Territory
1.3: Rural Life and Society
1.4: People’s Revolt
1.5: Educational Development in India
1.6: Development of Industries in India
1.7: Urban changes during the British period
1.8: Status of Women in India through the ages
2.1: Rocks and Soils
2.2: Weather and Climate
2.3: Hydrologic Cycle
2.4: Migration and Urbanisation
▶ 2.5: Hazards
2.6: Industries
2.7: Exploring Continents Africa, Australia and Antarctica
2.8: Map Reading
3.1: How the State Government Works
3.2: Citizens and Citizenship
3.3: Understanding Secularism
3.4: Human Rights and UNO
3.5: Road Safety Rules and Regulations
3.6: Defence & Foreign Policy
3.7: The Judiciary
4.1: Money, Savings and Investments
4.2: Public and Private Sectors
![Samacheer Kalvi solutions for Social Science [English] Class 8 TN Board chapter 2.5 - Hazards - Shaalaa.com](/images/social-science-english-class-8-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Social Science [English] Class 8 TN Board chapter 2.5 - Hazards")
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Solutions for Chapter 2.5: Hazards
Below listed, you can find solutions for Chapter 2.5 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Social Science [English] Class 8 TN Board.
Samacheer Kalvi solutions for Social Science [English] Class 8 TN Board 2.5 Hazards Evaluation [Pages 129 - 130]
Choose the correct answer
______ percentage of nitrogen is present in the air.
78.09%
74.08%
80.07%
76.63%
Tsunami in Indian Ocean took place in the year _________.
1990
2004
2005
2008
The word Tsunami is derived from __________ language.
Hindi
French
Japanese
German
The example of surface water is ______.
Artesian well
Groundwater
Subsurface water
Lake
Event that occurs due to the failure of monsoons.
Condensation
Drought
Evaporation
Precipitation
Fill in the blanks
Hazards may lead to _______.
Landslide is an example of _______ hazard.
On the basis of origin, hazard can be grouped into _______ categories.
Terrorism is an example of _______ hazard.
Oxides of Nitrogen are _______ pollutants which affect the human beings.
Chernobyl nuclear accident took place in _______ year.
Match the following
| List I | List II |
| 1. Primary pollutant | Terrorism |
| 2. Hazardous waste | Tsunami |
| 3. Earthquake | Outdated drugs |
| 4. Meteorological drought |
Oxides of Sulphur |
| 5. Human induced hazard |
Reduction in rainfall |
Answer briefly
Define ‘hazard'.
What are the major types of hazards?
Write a brief note on hazardous wastes.
List out the major flood-prone areas of our country.
Mention the types of drought.
Why should not we construct houses at foothill areas?
Distinguish between Hazards and disasters.
Distinguish between Natural hazard and human-made hazard.
Distinguish between Flood and drought.
Distinguish between Earthquake and Tsunami.
Answer in a paragraph
Write an essay on air pollution.
Define the earthquake.
list out the effects of the earthquake.
Give a detailed explanation on the causes of landslides.
Elaborately discuss the effects of water pollution.
Solutions for 2.5: Hazards
Samacheer Kalvi solutions for Social Science [English] Class 8 TN Board chapter 2.5 - Hazards
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Concepts covered in Social Science [English] Class 8 TN Board chapter 2.5 Hazards are Need for Prevention Measures, Introduction of Hazards, Hazards, Types of Hazards, Major Hazards in India.
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