Available Answers

1. 1.

   Answer the questions given by choosing the most appropriate alternative.

   1. _________________ per cent of Indians live in urban areas.
      1. 20
      2. 25
      3. 30
      4. 40
   2. Dependent population is below 15 years and above ______________ years.
      1. 60 
      2. 55
      3. 65
      4. 70
   3. Sex ratio is the number of females per _____________ males.
      1. 100
      2. 1000
      3. 10,000
      4. 10
   4. The current growth rate of the world is around ____________ per cent.
      1. 1
      2. 1.5
      3. 2
      4. 2.5
   5. Of the 10 most populous countries, six are located in ____________.
      1. Africa
      2. South America
      3. Europe
      4. Asia
2. 2.

   Fill in the blanks.

   1. A study of population changes in a geographical area over time is called ___________.
   2. The number of females per thousand males in a year is the ____________.
   3. The age of elderly dependents in India is _____________ years.
   4. Growth rate is the change in population expressed as a _____________.
   5. In India, the highest literary rate is in _____________.
3. 3.

   Write (T) for true and (F) for false.

   1. Urban areas have less population than rural areas.
   2. Literacy is the ability to read and write.
   3. The current growth rate of the world's population is 2.5 per cent.
   4. An underdeveloped country has a broad base population pyramid.
   5. Megacities have a population of over 10 million inhabitants.
4. 4.

   How fast is the world's population growing?
5. 5.

   What do you understand by the term 'underpopulation'? Give two examples.
6. 6.

   What does the term 'population explosion' mean?