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प्रश्न
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:
विकल्प
(i) only
(ii) only
(ii) and (iii)
(i) and (iv)
उत्तर
(i) and (iv)
Explanation:
A population is a collection of people who belong to the same species and live in a specific location. Population density, sex ratio, age distribution pattern, birth rate, and death rate are characteristics of a population, not an individual.
संबंधित प्रश्न
(a) Name the two growth models that represent population growth and draw the respective growth curves they represent.
(b) State the basics for the difference in the shape of these curves
(c) Which one of the curves represents the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.
Construct an age pyramid which reflects a stable growth status of human population.
If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?
What is reproductive fitness? Explain it with the help of an example.
Mention the different ways by which the population density of different species can be measured.
Nutrient enrichment of water body result.
Population having large number of postreproductive and small number of prereproductive age group is called
List any four characters that are employed in human population census.
Identify the type of pyramid given above. Write the identifying feature on the basis of which you identified it.
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
