Biology · Geography

Population Dynamics

940 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

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.

Multiple choice

1921 is called the year of the great divide because

  1. death rate decreased

  2. life expectancy increased and death rate also increased

  3. birth rate decreased

  4. birth rate remained high and death rate decreased

  5. birth rate decreased and death rate also decreased
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct answer as due to improved medical facilities, death rate decreased but birth rate remained high.

Multiple choice

Which of the following are the reasons for population explosion in India?

a. Decline in death rate b. Increase in maternal mortality rate c. Decline in infant mortality rate d. Increase in the number of people in reproductive age

  1. Only a and b

  2. Only a, b and c

  3. Only b and c

  4. Only b and d

  5. Only a, c and d
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option. Decline in death rate, decline in infant mortality rate and increase in the number of people in reproductive age are the reasons for population explosion in India.

Multiple choice

Which of the following steps was/were taken by the government to check the population growth rate?

a. Motivating families to use various contraceptive methods b. Statutory raising of marriageable age c. Giving incentives to couples with smaller families

  1. only a

  2. only a and b

  3. only b

  4. only b and c

  5. a, b and c
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option as all of the above steps were taken by the government to check the population growth rate.

Multiple choice

According to the latest census figures, sex ratio in India is

  1. declining

  2. stable

  3. increasing

  4. fluctuating
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In the 1981 census, the sex ratio in India was 934. By 1991, it had declined to 927 per 1000 men. In 2001 census, it rose to 933. This shows that it keeps on fluctuating, depending upon various factors.