Population

Question 1

What day is observed as World Population Day

Answer 1

July 11th

Question 2

State the factors responsible for population for population explosion in India

Answer 2

1. Illiteracy - people aren’t are about reproductive system
2. Traditional beliefs - children are regarded as blessings, hence promoting pregnancy
3. High Mortality rate
4. Economic reasons - children believed to increase income
5. Religious and Social customs - families do not accept family planning forms
6. Desire for male child and female infanticide
7. Lack of recreation - poor standard of living and poverty provide no recreation other than sex

Question 3

Production of food rises by ___ progression.
Population grows by ___ progression.

Answer 3

Arithmetic ; geometric

Question 4

Define Demography

Answer 4

Demography is the statistical study of human population.

Question 5

Define population density.

Answer 5

Population density is the number of individuals per square kilometer at any given time.

Question 6

Define Birth Rate.

Answer 6

Also known as Natality. It is the number of live births per 1000 people or population per year .

Question 7

Define Death Rate.

Answer 7

Also known as Mortality. It is the number of deaths per 1000 population per year.

Question 8

Define Growth Rate.

Answer 8

Growth rate of population is the difference between the birth rate and the death rate.

Question 9

State the need for adopting control measures

Answer 9

1. Per capita income comes down
2. Natural resources like land, minerals, wood, fuel decrease.
3. General health goes down

Question 10

What is the symbol for family welfare?

Answer 10

Inverted Red triangle

Question 11

What are the 4 types of Methods of Contraception?

Answer 11

1. hormonal methods (pills)
2. Barrier methods
   •condoms
   •diaphragms
   •sperm killing agents (spermicidal)
3. Intra-uterine devices (IUDs)
   •Lippe’s Loop
   •Copper T these prevent implantation of blastocyst
4. Surgical methods
   •Tubectomy
   •Vasectomy

Question 12

What is MTP?

Answer 12

It stands for Medical Termination of Pregnancy. Also known as Induced Abortion.

Question 13

What happens in Tubectomy?

Answer 13

Abdomen is opened. Fallopian tubes are cut or lighted I.e. nylon thread to close the passage of egg.

Question 14

What happens in Vasectomy?

Answer 14

Small cut is made in scrotum, vas deferens from each testes is ligature and a small piece between the two ligatures is removed. It doesn’t reduce the pleasure of intercourse or libido.

Question 15

What is biotic potential?

Answer 15

It is the capacity of a population to increase under optimum environmental conditions.

Question 16

Define census

Answer 16

Complete study of human population after every 10 years