Birth rate refers to the

1. No of live births per 100 persons in a given geographical area per year.
2. No of live births per 1000 persons in a given geographical area per year.
3. No of live births per 500 persons in a given geographical area per year.
4. No of live births per 200 persons in a given geographical area per year.

When birth rate is less than the death rate, population will

1. Increase
2. Decrease
3. Remain constant
4. Not change

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)