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प्रश्न
List any four characters that are employed in human population census.
उत्तर
- Birthrates
- Death rates
- Sex ratio
- Age distribution
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संबंधित प्रश्न
Construct an age pyramid which reflects a stable growth status of human population.
List the attributes that populations but not individuals possess.
Define population
What is an age-pyramid?
Measures of ‘Central tendency’ refer to:
Nutrient enrichment of water body result.
Age distribution in a population can influence
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Bacteria
Given below is the Age Pyramid of the population in one of the states in India as per 2011 census. It depicts the male population on the left-hand side, female population on the right-hand side, newborns towards the base and gradually increasing age groups as we move from base to the top, with the oldest population at the top. Study this pyramid and comment upon the appropriateness of the Assertion and the Reason.
Percentage to the total population
Assertion: It is a stable population.
Reason: The pre-reproductive and reproductive individuals are almost in equal numbers and the post-reproductive individuals are relatively fewer.
Important attributes belonging to a population but not to an individual are:
- Birth rate and death rate
- Male and female
- Birth and death
- Sex-ratio
Select the correct option from the given options:
