The population of an area tends to decrease by

Options :
  1. mortality
  2. immigration
  3. natality
  4. none of these

Answer and Explanation :-

Answer: Option 1


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : In which year the first census in India was carried out

Next Question : The ratio of females over males is greater in

Click here for free online test on Medical Zoology


 (Getemail alerts when others member replies)

The church grew very lonely about him, and he began to feel like a child whose mother has forsaken it. Only he knew that to be left alone is not always to be forsaken.
-George MacDonald At the Back of the North Wind