Advertisements
Advertisements
प्रश्न
Represent diagrammatically three kinds of age-pyramids for human populations.
Name three representative kinds of age-pyramids for human population and list the characteristics for each one of them
Advertisements
उत्तर
A population can be composed of individuals of different age groups. Age distribution plot for a given population is given by the age pyramid.
APPEARS IN
संबंधित प्रश्न
Construct an age pyramid which reflects a stable growth status of human population.
Study the graph given below and answer the questions that follow :
(i) Write the status of food and space in the curves (a) and (b).
(ii) In the absence of predators, which one of the two curves would appropriately depict the prey population?
(iii) Time has been shown on X-axis and there is a parallel dotted line above it. Give the significance of this dotted line
Define the carrying capacity.
Mention the different ways by which the population density of different species can be measured.
Give an account of population regulation.
Nutrient enrichment of water body result.
Population having large number of postreproductive and small number of prereproductive age group is called
The following diagrams are the age pyramids of different populations. Comment on the status of these populations.
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.
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
