Which of the following $STDs$ is not caused by a bacterium?
Chlamydia
Gonorrhoea
Syphilis
Genital Herpes
According to $2001$ census, the population growth rate was
Who was the first scientist to estimate the human population
Per year growth in India's population according to $1991$ census is
Which one of the following is an example of Hormone releasing $IUD$ ?