Advertisements
Advertisements
Question
What are the three components of population change?
Solution
- Crude Birth Rate (CBR): It is expressed as number of live births in a year per thousand of population in a particular region.
- Crude Death Rate (CDR): It is the number of deaths in a place per thousand of population in a particular region. CBR and CDR are natural factors of population growth. They result in natural population growth, which is equal to the difference between CBR and CDR.
- Migration: It is the induced factor in population growth. It is the number of people moving in and out of a place due to various social, economic and political reasons. It is taken into account while calculating actual growth of population.
APPEARS IN
RELATED QUESTIONS
List any three important characteristics of a population and explain.
If the birth rate is greater than the death rate then the population ______.
Examine the following statement and correct the incorrect one.
Greater economic prosperity indicates the development of a region.
Identify the correct correlation :
A: Assertion; R: Reasoning
A: Population of a region does not change.
R: Birth rate, death rate, and migration affect the population of a region.
Write a short note on the correlation between birth rates and death rates.
Assertion: Population of a region does not change.
Reason: Birth rate, death rate and migration affect the population of a region.
Which one of the following is not a push factor?
Birth rate and death rate.
Push factors and pull factors of migration.
What is population doubling time?
How did science and technology help in population growth?
Define the term ‘positive growth of population’.
Why do people migrate in large numbers from rural to urban areas in India?
The continent that has the highest growth rate of population.
What is the present annual growth rate of India?
Which of the following is not a pull factor?
Population increased by the difference between births and deaths in a particular region between two points of time.
What is the present growth rate of population in the world?
Study the given graph carefully and answer the following question:
Intra-state Migration by place of Last Residence Indicating Migration Streams India, 2011
Inter-state Migration by Place of Last Residence Indicating Migration Streams India, 2011
Who dominates the inter-state migration of short distances?
On the basis of the demographic data of a country given below, construct an age pyramid and explain whether the population is stable, declining or growing.
| Age group | No. of individuals |
| Pre-reproductive | 20,000 |
| Reproductive | 15,000 |
| Post-reproductive | 10,000 |
Exponential growth in plants win be expressed as ______.
Crude Death Rate (CDR):-
Which of the following statement is true?
(i) CBR = Bi/P × 1000
(ii) COR = D /P × 1000
(iii) If birth rate is more than death rate, then CBR results in positive growth of population.
The term Crude Birth Rate (CBR) is closest to which of the following?
Which of the following pairs is not correctly matched?
Which of the following formula correctly depicts natural growth of population?
Which of the following forms the component of a nation?
What would be the per cent growth or birth rate per individual per hour for the same population mentioned in the previous question (Question 10)?
In 2005, for each of the 14 million people present in a country, 0.028 were born and 0.008 died during the year. Using exponential equation, the number of people present in 2015 is predicted as ______.
What would be the growth rate pattern, when the resources are unlimited?
A population of Paramoecium caudatum was grown in a culture medium. After 5 days the culture medium became overcrowed with Paramoeium and had depleted nutrients. What will happen to the population and what type of growth curve will the population attain? Draw the growth curve.
Which of the following may be interpreted as a spontaneous effort to achieve a better balance between population and resources?
Analyse the main features of Phase-III (1951 - 81) of growth of population in India.
Consider the following and choose the correct answer with the help of given codes-
| STAGES OF POPULATION | GROWTH FEATURES |
| I Period between 1901 to 1921 | 1. Period of steady growth |
| II Period between 1921 to 1951 | 2. Phase of stagnant growth of Population |
| III Period between 1951 to 1981 | 3. High but decreasing growth rate |
| IV After 1981 till present | 4. Period of population explosion |
Which one of the following is the largest linguistic group of India?
A: Population of a region does not change.
R: Birth rate, death rate and migration affect the population of a region.
Assertion (A): Population of a region does not change.
Reason (R): Birth rate, death rate and migration affect the population of a region.
A: The population of a region does not change.
R: Birth rate, death rate and migration affect the population of a region.
Assertion (A): Population of a region does not change.
Reasoning (R): Birth rate, death rate and migration affect the population of a region.
Assertion (A): Population of a region does not change.
Reasoning (R): Birth rate, death rate and migration affect the population of a region.
Assertion: Population of a region does not change.
Reasoning: Birth rate, death rate and migration affect the population of a region.
Assertion (A): Population of a region does not change.
Reasoning (R): Birth rate, death rate and migration affect the population of a region.
Define the following term:
Growth rate of population
Assertion (A): Population of a region does not change.
Reasoning (R): Birth rate, death rate and migration affect the population of a region.
