CBSE Questions for Class 9 Economics People As Resource Quiz 2 - MCQExams.com

When people are considered as a resource it is called human resource. Human resource form an important part because any resource can be turned into a useful resource through human resource.

Scientist is a human resource.

Population growth is nothing but the increase in the number of individuals in an area. Among the given options, a decline in infant mortality rate results in population growth and rest of the options like an increase in infant mortality rate and the decline in health attributes result in the decline of population.

The money spent on food is not a part of the opportunity cost of going on holiday.Opportunity cost of production of a commodity refers to the cost which has to be sacrificed in terms of the next best alternative which could be produced out of that cost. Therefore, food is part of our everyday expense which will not be considered as the sacrifice of any other commodity. 

Some of the most important characteristics of population are as follows:

1. Population size and density,
2. Natality,
3. Mortality,
4. Population growth,
5. Age distribution of population, and
6. Population fluctuations.
   Hence, correct answer is option C.

The population has the following characteristics:

1. Population Size and Density: Total size is generally expressed as the number of indi­viduals in a population. Population density is defined as the numbers of individuals per unit area or per unit volume of environment.
2. Population dispersion or spatial distribution: Dispersion is the spatial pattern of in­dividuals in a population relative to one another.
   
3. Age structure: In most types of populations, individuals are of different age. The pro­portion of individuals in each age group is called age structure of that population.
   
4. Mortality (death rate): Mortality means the rate of death of individuals in the population.
   Hence, correct answer is option B.