Advertisements
Advertisements
Question
State four causes of population growth.
Solution
Reasons for High Population Growth
- Increase in longevity. Decline in death rate, maternal mortality rate (MMR), and infant mortality rate (IMR).
- Decrease in death rate. An increase in number of people in reproductive age.
- Role of Reproductive and Child Heath Care (RCH) Programmes. RCH programmes could bring down the population growth rate but it was only marginal.
- Control of diseases. Control of diseases has reduced the death rate.
- Improvements in medical facilities. Better public health care and greater medical attention.
- Advancement in agriculture, improvement in food storage conditions and better means of transport. These means decrease death rate.
- Protection from natural calamities. This has decreased death rate.
- Role of certain religions.Certain religions are against family planning.
APPEARS IN
RELATED QUESTIONS
State consequences of population growth.
Give the scientific term for the following:
Statistical study of the human population.
Name the scientist who has contributed to the following: Principle of limiting factors
Halophytes are organism which are ______.
The soil, which is transported by wind is known as ______.
A biologist studied the population of rats in a barn. The bound that the average natality was 250, average mortality 240, immigration 20 and emigration 30. The net increase in population is ______.
An association of individuals of different species living in the same habitat and having functional interactions is
Ecological niche is ______.
A protozoan reproduces by binary fission. What will be the number of protozoans in its population after six generations?