Available Answers

1. 1.

   What are the ways by which you can save yourself and your family when a gas leak happens at home?

2. 2.

   Fill in the blanks.

   1. Some disasters like ____________ may begin slowly and later increase in extent and instantly.
   2. Earthquake is an example of a major ___________ disaster.
   3. Cyclones are __________ areas that occur over warm ocean waters of temperate and tropical regions.
   4. The ____________ of the earth's plates caused the earthquake in Nepal in April 2015.
   5. The __________ gas tragedy was caused by the accidental leakage of a highly toxic gas called methyl isocyanate from the Union Carbide factory.
3. 3.

   Match the following.

   A	B
   1. drought	(i)  man-made disaster
   2. Hiroshima bombing	(ii) chemical disaster
   3. underwater earthquakes that cause tsunamis	(iii) largest oil spill disaster
   4. accidental release of toxins into the environment from factors	(iv) insufficient rainfall
   5. Deepwater Horizon	(v) natural disaster

    

4. 4.

   Choose the correct answer.

   1. Droughts are caused by insufficient ____________ over a long period of time.
      1. flood
      2. storm
      3. rainfall
      4. sunlight
   2. In 1986, an accidental explosion at a nuclear plant at ____________ in the former USSR caused radiation to spread across Ukraine and other regions, killing over 12,000 people.
      1. Kiev
      2. Chernobyl
      3. Astana
      4. St Petersburg
   3. Chemical disasters are caused by _____________.
      1. gases
      2. germs
      3. pollen
      4. virus
   4. Biological disasters occur when _____________, which are grown in laboratories, get released in the air.
      1. chemicals
      2. germs
      3. pollen
      4. virus
   5. Chemicals from ___________ kill marine life and coral reefs and also affect birds and mammals
      1. cyclones
      2. drought
      3. earthquake
      4. oil spills
5. 5.

   State whether the following are true or false.

   1. Earthquake also trigger landslide, avalanches, and tsunamis.
   2. Floods wash away the top layer of the soil, which is the most infertile.
   3. West Bengal is most vulnerable to floods.
   4. Oil spills harm marine life.
   5. The attacks carried out on Hiroshima and Nagasaki by the United States during World War II were an example of unintentional nuclear disaster.
6. 6.

   How are earthquake caused?