Identify and explain the concepts from the given illustrations :

1) There were 40 births per 1000 in country ‘A’ during
a year.
Ans:-
(A) Identified concept: Birth rate
(B) Explanation of concept: The number of births occurring per thousand of the living population during a year is called birth rate. In the above illustration, the birth rate is 40.

2) In Mumbai city, public transport service is largely
affected due to the growing population.
Ans:- 
(A) Identified concept: Pressure on infrastructure.
(B) Explanation of concept: Growing population adversely affects the infrastructure and basic amenities. This is known as pressure on infrastructure.

3) In country ‘B’, there are 15 deaths taking place per
1000 during a year.
Ans:- 
(A) Identified concept: The death rate
(B) Explanation of concept: The number of deaths per thousand of the living population during a year is called the death rate. In the above illustration, the death rate is 15

4) For a certain period of time China had adopted the
policy of ‘One child per family’.
Ans:- 
(A) Identified concept: Family Planning
(B) Explanation of concept: Family planning policy/program is a measure to control the growing population in Which birth of a child is determined. by choice and not by chance.