Class X

The full form of UV rays is
  1. Ultra violet
  2. Ultra violent
  3. Ultra valve
  4. Ultimate violet
Floods can be prevented by
  1. Afforestation
  2. Removing top soil
  3. Deforestation
  4. Agriculture
Which of the following is best method from environment point of view?
  1. Reduce
  2. recycle
  3. reuse
  4. all of above
Water harvesting is a method which
  1. Increase ground water level
  2. Not practiced in modern days
  3. Has no relation with ground water
  4. Decrease ground water level
Narmada bachao andolan was to
  1. Clean narmada
  2. Expand narmada
  3. Save narmada
  4. None of these
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