The total human population is over 6 billion.Population of India is 1.21 billion.The number of individuals inhabiting per unit area is known as population density.Population density of India was in\(178/{ km }^{ 2 }\) 1971, \(216/{ km }^{ 2 }\) in 1971. Bangladesh, Japan, and Netherland are the most thickly populated countries with density of population being in\(617/{ km }^{ 2 }\) Bangladesh and in \(319/{ km }^{ 2 }\) Netherland.
Answer the questions:
(i) What are consequences of overpopulation in India?
(ii) List any three measure to avoid pregnancy.
(iii) What are side-effects of use of steroidal pills as contraceptive?

Reproductive and Child Healthcare (RCH) programmes are currently in operation. One of the major tasks of these programmes is to create awareness amongst people about the wide range of reproduction related aspects.As this is important and essential for building a reproductive health society.
(a) "Providing sex education in schools in one of the ways to meet this goal". Give four points in support of your opinion regarding this statement BSC
(b) List any two indicators that include a reproductively society.

While travelling, Arvind noticed that in his city every public transport, whether bus or train, was full of passengers and there was no space even in the markets or other public places. He shared his observation with his grandfather. Grandfather told him that the situation was not so worse when he was a child. Population has increased so much that we do not have sufficient resources to provide basic amenities needed in a civillized society.
Read the above passage and answer the following questions:
(i)  Whar are the possible reasons of population explosion?
(ii)  What are the adverse effect of such population explosion?
(iii) As an educated citizen, what are your suggestion to reserve the trend?

One day, Monu did not go to school as he was not feeling well and on listening the sound of door bell he opened the door and saw two health workers at his doorstep. These health workers asked whether there was may any child of less than five years in his so that they could give him polio drops. He replied in affirmative and called his younger brother. They asked him to open his mouth and put two drops in his mouth from a vial. His neighbour, however, hid his child from health workers.
Read the above passage and answer the following questions:
(i)  Who took the right decision Monu or his neighbour?
(ii)  What was the need of giving polio drops?
(iii) What other vaccines are given to newborn?

Ravi saw that in the city at several places banners were displayed advising people to visit Red Ribbon Express Train standing at railway station of his city. He became curious and reached station. There, he came to know that the train was there to spread awareness about AIDS.
Read the above passage and answer the following questions:
(i)  What is AIDS?
(ii)  What are the methods to stop the spread of AIDS?
(iii) What are the misconceptions about AIDS?
(iv)  What value is displayed by Ravi?