Biology · Geography

Population Dynamics

978 Questions

Explore key concepts in population dynamics through these practice questions. The focus is on demographic transition models, population pyramids, and life history theory. These topics are useful for general studies and biology exams.

Demographic transition theoryPopulation pyramidsMathematical growth modelsLife history theory

Population Dynamics Questions

Multiple choice

What is the primary reason for increase in human population?

  1. The increase in agricultural production

  2. The decrease in agricultural production

  3. The decrease in medical technology

  4. The increase in birth rate and decrease in death rate

  5. The decrease in birth rate and increase in death rate
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct reason.

Multiple choice

What does the term 'Population Statistics' mean?

  1. Population statistics is the number of individual organisms in a population.

  2. Population statistics is the use of statistics to analyze characteristics or changes to a population.

  3. Population statistics is the presence of a systematic difference in allele frequencies between subpopulations in a population possibly due to different ancestry, especially in the context of association studies.

  4. Population statistics is a condition of demographic balance where the number of people in a specified population neither grows nor declines, considered as a social aim by some.

  5. Population statistics is a study of a group of individuals taken from the general population who share a common characteristic, such as age, sex, or health condition.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This answer is correct.

Multiple choice

How can the population density of a particular area be computed?

  1. Dividing the total number of individuals living in that area by the total fertile land area

  2. Dividing the total number of individuals living in that area by the total urban and rural area

  3. Dividing the total number of individuals living in that area by the total land area

  4. Dividing the total number of individuals living in that area by the total urban area alone

  5. Dividing the total number of individuals living in that area by the total rural area alone
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Population density of a particular area can be computed by dividing the total number of individuals living in that area by the total land area.

Multiple choice

What does the term 'Population density' state?

  1. Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans.

  2. Population density is the branch of life sciences that studies short-term and long-term changes in the size and age composition of populations, and the biological and environmental processes influencing those changes.

  3. Population density can refer to the decline in population of any organism, but this article refers to population decline in humans.

  4. Population density is a type of mathematical model that is applied to the study of population dynamics.

  5. Population density is a summation of all the organisms of the same group or species, which live in the same geographical area, and have the capability of interbreeding.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This answer is correct.

Multiple choice

Which of the following is not a correct pair?

  1. Death rate : Mortality

  2. Birth rate : Natality

  3. Tubectomy : Female

  4. Vasectomy : Male

  5. Castration : Vas deferens
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Castration : Testis, is the correct match, as in castration, testis is cut and sealed, not Vas deferens.

Multiple choice

There is a need to control population growth in India. Which of the following is not correct in this respect?

  1. It is leading to a great economic pressure on the parents, which is affecting their quality of life.

  2. There is a struggle for existence.

  3. In order to make India a developing country.

  4. For proper education system in India.

  5. For the welfare of society.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This reason is not correct. In order to make India a developed country, India needs to control population.

Multiple choice

Which of the following is not a step to control the increasing human population in India?

  1. Family planning

  2. Education of the people about small family norms and its benefits

  3. Raising the age of marriage to 18 in girls and 21 in boys

  4. Strict laws against child-marriage

  5. Strict laws of compulsory child education
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Strict laws of compulsory child education is not directly related with the control the increasing human population in India.

Multiple choice

Which of the following is correct about population growth rate?

  1. It represents the number of new births that have taken place.

  2. It represents the growth in population in relation to the growth in resource endowment.

  3. It represents the birth rate subtracted from the death rate and migration rate.

  4. It represents the total number of female births in a year.

  5. It represents the growth in the population in relation to the growth in income levels of the population.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

It is the simple increase in the total population per annum and is calculated in terms of percentage increase in the number of births deducted from the total number of deaths and migrations.