Ss Bio

Causative agent, mode of infection, symptoms, treatment...

Acquired, congenital disease etc.,...

What is health, advantages of good health, factors that causes diseases etc.,...

Few lines on earth...

Few lines on current situation in tamil...

Definition, reasons, infertility in men and women, terminology related to INFERTILITY...

Syphilis, gonorrhoea, Aids, genital herpes, chancroid, chlamydiasis, trichomoniasis, causative organism, mode of transmission, symptoms, treatment etc.,...

Definition, examples, mode of transmission, symptoms, complications, target group, how to avoid...

Definition, incidence, why it MTP, role of govt,etc.,...

Food, PRESSURE on land, natural resources, ECODEGRADATION etc,...

Decline in death rate, slower decline in birth rate, longer lifespan etc...

POPULATION explosion, world population, Indian POPULATION...