Population

Question 1

causes for rapid rise in population

Answer 1

1. industrial revolution
2. new discoveries in medical science
3. food shortages minimised
4. improved nutrition
5. large scale immunisation

Question 2

three main revolutions in human culture

Answer 2

1. tool making revolution
2. agricultural revolution
3. scientific and industrial revolution

Question 3

define population explosion

Answer 3

rapid and massive rise in the world population that has occurred over the last few hundred years

Question 4

need for adoption control measures

Answer 4

1. decreasing open spaces
2. shrinking of forests
3. increasing industrialisation caused air, water, soil pollution
4. rapid and intense shortage of drinking water and other resources
5. increasing pollution is a health hazard

Question 5

factors responsible for population explosion in india

Answer 5

1. illiteracy
2. traditional beliefs
3. mortality rate
4. economic reasons
5. religious and social customs
6. desire for a male child
7. lack of recreation

Question 6

define resource

Answer 6

a resource is any substance (natural or artificial), energy or organism which is used by humans for their welfare

Question 7

define demography

Answer 7

statistical study of human population

Question 8

define population density

Answer 8

number of individuals per square kilometer at any given time

Question 9

define birth rate/natality

Answer 9

number of live births per 1000 people of population per year

Question 10

define death rate/mortality

Answer 10

number of deaths per 1000 of population per year

Question 11

define growth rate of population

Answer 11

difference between the birth rate and the death rate e

Question 12

ex of oral pill

Answer 12

Mala-D

Question 13

ex of IUDs

Answer 13

Copper-T
Lippe’s loop

Question 14

aspects of family welfare

Answer 14

1. family planning in terms of having a small family
2. total welfare of the small family, including the diet and nutrition of the child and of the pregnant mother
3. subsequent care of the children

Question 15

methods of contraception

Answer 15

1. hormonal (only women)
2. barrier
3. IUDs
4. surgical methods

Question 16

barrier methods

Answer 16

1. condom: rubber sheath (men)
2. diaphragm: round latex caps with coil spring fitted deep in the vagina on the mouth of uterus (women)
3. spermicidal agents: chemicals near the cervix which kill sperms (women)

Question 17

IUDs

Answer 17

prevent implantation of blastocyst/embryo s

Question 18

surgical methods:

Answer 18

1. tubectomy: fallopian tubes are cut and ligated/tied with nylon thread
2. vasectomy: vas deferens from each testes is ligated and small piece between two ligatures is removed

Question 19

MTP full form

Answer 19

medical termination of pregnancy

legally permitted only withing 5 months of pregnancy, free of cost, husband’s consent not required