Any two examples of secondary sources of population data are statistical yearbooks and organizations .....

The data which are already collected and complied by others (i.e. institutions, organizations, individual researcher or research groups) is called secondary sources of population .....

The psychological factors mean those aspects which inspire the mentality to have children . They are described below : Feeling of competition : The sense of competition brings the tradition of bearing more sons and daughters among .....

Economic factors concern about earning or involvement in the activities that provide monitory  profit to the family . In under developed and developing countries where education and awareness level of people is low at par, more number of .....

Population study remains incomplete  without fertility or birth . It is birth that is responsible to replace the old people with young ones . So , that  the biological replacement is possible only through of people . It maintains human .....

The determinants of fertility are as follows : Age at marriage Level of income Climate It is deceived if you find either daughter or son Educational attainment of couple  Child death rate  Occupation Urbanization Religious .....

Vital registration was taken in 2047 BS in all 75 districts of .....

Vital registration was taken in Norway in 1684 .....

Vital registration was taken in sweden in 1608 .....

It cannot provide complete data and required information for population .....

It needs less manpower and it is useful to collect the population .....

It may not represent the entire population .....

It fulfils inter census data gap and it is cheaper and easier to administer than .....

The data from vital registration system cannot be alternative to census .....

It makes easy to know the future trend of population and it helps policy makers to plan for .....

The population statics include the information about birth , migration age , sex, marital status , nationality , religion , literacy , mother tongue , the profession of people , living in a particular place and at the particular time . The following .....

 Five reasons of more density in Terai region and Kathmandu Valley of Nepal are : Availability of plain and fertile land : There is more density in Terai region and valley due to availability of plain and fertile land  for .....

The vital registration system can be defined as a continuous,permanent and compulsory legal registration and statistical recording of vital events which include: live birth, deaths, divorce, migration, marriage, adoption, etc primarily for their .....

Sample survey is one of the vital sources of the population used in different countries . In short time and with less use of financial resources , detailed figures of population will be obtained through sample survey .....

Modified De-jure method of census is used in .....

There are three census enumeration .....

The first population census was taken in China in 3000 .....

The first population census was taken in Bolivia in 4000 .....

Any two features of census are, census provides first hand information and it is the data bank of human .....

De-jure method is a types of method in which people are counted at their permanent .....

Census was first conducted in Nepal in 1911 .....

The enumeration of the entire population of a country or a territory of a country at a particular timeis known as .....

Any two primary sources of population data are census and vital registration .....

Demography is the scientific study of population .....

Census : The process of enumeration , analysis and publication of entire population of the country at a single time is known as the census . I t is the major source of population  statistics . It is the population counted the same time .....

Demography is the study of human population and the social condition of a nation . In demography , we study the size , distribution , composition and their changes in a society . It is a science which studies chiefly of births , death , .....

The population census is the first source of fundamental , national data necessary for social , national planning , economic , political and administrative purpose . Through census , we know about trends in population growth , changes in the age , .....

 The word demography is derived from the Greek word "demos" means people and "graphian "  means the science or studies . Thus demography refers to the scientific study of population , primarily with respect to their size , structure .....

Risks always result in a great loss of human life and property including physical structure to the human activities is known as human induced risk .It caused more impact on the socio- economic life of every people.  Chemical Risk : Chemical can .....

The education process which provided education to the people about safety rules and measures is known as safety education . It is very important to us because it help us to be safe . Following are some important points of it are given below : All .....

Following are the risk induced by human activities are as follow : The risk which is result of the main accident . The risk which is the result of the war. The risk which is by fire due to negligence in use of fire . The risk of landslides due to .....

Never cross the street if the traffic signal is against .....

Do not keep electric wires bare and use safety measures while fixing the electric .....

It helps to provide the safe and healthy .....

Safety education is series of instruction and warning that provide awareness about possible harm and injuries .....

There should be regular monitoring and survey of the Glacier .....

There are 2,323 lakes in .....

Any two causes of Glacier Lake Outburst Flood are climate change and .....

A Glaciel Lake Outburst Flood (GLOF) is a type of outburst flood that occurs when dam containing a glacial lake .....

The fulform of GLOF is Glacier Lke Outburst .....

15% of total land of Nepal is covered by high mountains in .....

Any two causes of avalanche are heavy snowfall and warm .....

Any two preventive measures of landslide are deforestation should be stopped and bare land should be protected by .....

Any two causes of landslide are intenseheavy rainfalland .....

Landslide is a downward movement of soil, rock or vegetation due to gravitational .....