List of top Biology Questions on population ecology asked in KCET

Which one of the following population attributes, contributes to increase in population density?
If 8 individuals in a laboratory population of 80 fruit flies died during a specified time interval, the death rate in the population during that period is
Population size keeps changing depending on different factor/s such as
In the following equation of Verhulst - Pearl logistic growth, the letter 'r denotes _______
$\frac{dN}{dt}=rN(\frac{K-N}{K})$
In the following equation of Verhulst - Pearl logistic growth, the letter '$r$' denotes________ $\frac{dN}{dt} =rN(\frac{K-N}{K})$
The term ecology was coined by $\ldots\ldots\ldots$
The annual net primary productivity of the biosphere is approximately