611. What was the third mild producing country ?
A. United States
B. Germany
C. Russia
D. France

612. Which of the following countries leads in the production of gold in the world ?
A. India
B. Bhutan
C. South Africa
D. China

613. Continent of South America covers ___ of the total land of earth ?
A. 15.8%
B. 11.8%
C. 10.8%
D. 15.4%

614. Which of the following countries lead in the production of Nickel ?
A. Canada
C. China
D. Russia

615. The extent to which the results of a study can be generalized to the larger population refers to ?
A. internal validity
B. face validty
C. reliability
D. external validity

616. Which is the biggest seaport of the world ?
A. Singapore seaport
B. Settle seaport
C. Rotterdam seaport
D. None of these

617. The degree of urbanisation of any given community is indicated by its?
A. population size
B. population density
C. population heterogeneity
D. All of the above

618. Which is not a characteristic of urban life ?
A. Loss of humanistic value
B. Impersonal relationship
C. informal relationship
D. Competition

619. Demography is the social science of ?
A. A person
B. Type of attitude
C. Mid of the way
D. population

620. Which one of the following is the best criterion of contrast between a rural and urban community ?
A. Geographic location
B. Specific size of population
C. Specific density of population
D. Diversification of occupations