Which of the following statement related to overpopulation condition is correct?

1. It exists when the number of existing human population is too small than the carrying capacity of the land.
2. It exists when the number of existing human population exceeds the carrying capacity of the land
3. It leads to the under-utilisation of resources.
4. Emigration is the main cause of overpopulation.

Which of the following age group is known as dependent population?

1. Only young age group (below 15 years)
2. Only elderly age group (above 65 years)
3. Mature age group (15-65 years)
4. Both (1) & (2)

Which of the following countries has a population pyramid with broad base and a narrow tapering top?

1. Japan
2. USA
3. Kenya
4. Norway