These are the options for the question :Important attributes belonging to a population but not to an individual are:
(i)Birth rate and death rate
(ii) Male and female
(iii) Birth and death
(iv) Sex-ratio
Select the correct option from the given options:
(a) only
b) (ii) only
(c) i) and (ii)
d) i) and (iv)
The correct answer is -(c) i) and (ii)