“Population is an auto-regulated system'' was said by
Malthus
Edward
Lamarck
Darwin
Which of the following causes abortion in ladies?
Statement $1$: One in every six person in the world in an Indian
Statement $2$: In India, there are more females than males
Infant mortality rate is minimum in:
Sex ratio in a species indicates the numerical relation between the number of
Which one of the following is an example of Hormone releasing $IUD$ ?