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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)
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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.
If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?
Give an account of population regulation.
Measures of ‘Central tendency’ refer to:
Which one of the following organisms reproduces sexually only once in its lifetime?
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Fish
Label the three tiers 1, 2, 3 given in the above age pyramid.
An individual and a population has certain characteristics. Name these attributes with definitions.
The following diagrams are the age pyramids of different populations. Comment on the status of these populations.
Identify the type of pyramid given above. Write the identifying feature on the basis of which you identified it.
