Hazards

Samacheer Book Back Questions And Answers For Geography Standard 8 Full Book “Hazards”

I Choose the correct answer:
1. _____ percentage of nitrogen is present in the air.
a) 78.09%
b) 74.08%
c) 80.07%
d) 76.63%

2. Tsunami in Indian Ocean took place in the year _____.
a) 1990
b) 2004
c) 2005
d) 2008
3. The word Tsunami is derived from _____ language.
a) Hindi
b) French
c) Japanese
d) German

4. The example of surface water is
a) Artesian well
b) Groundwater
c) Subsurface water
d) Lake

5. Event that occurs due to the failure of monsoons.
a) Condensation
b) Drought
c) Evaporation
d) Precipitation

II Fill in the blanks:
1. Hazards may lead to_______.
2. Landslide is an example of _____ hazard.
3. On the basis of origin, hazard can be grouped into _____ categories.
4. Terrorism is an example of _____ hazard.
5. Oxides of Nitrogen are _____ pollutants which affects the human beings.
6. Chernobyl nuclear accident took place in _____ year.

Answers:
1. Disaster
2. Geologic (or) Seismic
3. Eight
4. Human – induced
5. Primary
6. 26th April 1986

III Match the following:
1. Primary pollutant                  A. Terrorism
2. Hazardous waste                  B. Tsunami
3. Earthquake                           C. Outdated drugs
4. Meteorological drought       D. Oxides of Sulphur
5. Human induced hazard        E. Reduction in rainfall
Answers:
1. D
2. C
3. B
4. E
5. A