“In the absence of environmental resistance the population grows in geometrical ratio when the food is given in arithmetical ratio''. This is
Kenze theory of population
Malthus theory of human population
Kenze theory modified by malthus
None of the above
The bio-index number means
Amniocentesis is a process to
Which of the following is hormone releasing $IUD$?
India was amongst the first countries in the world to initiate action plans and programmes at national level to attain reproductive health. The programmes called as 'family planning' were initiated in ______ year in India.
Amniocentesis is used for determining