A population of Paramoecium caudatum was grown in a culture medium. After $5$ days the culture medium became overcrowed with Paramoeium and had depleted nutrients. What will happen to the population and what type of growth curve will the population attain ? Draw the growth curve.

Sigmoid growth curve is represented by

If birth rate is $100 ,$ death rate is $10$ and number of individuals in population group is $1000 ,$ then what will be the percentage of natural growth rate?

Which one is right for logistic model for population growth?

$I.$ Population growth rate increases as the size of population approaches the carrying capacity

$II.$ All individual have same effect on population growth

$III.$ There are unlimited natural resources

$IV.$ As population increases the competition goes on increasing

Select the correct combination

Exponential growth in human population was done in

Rapid decline in a population due to high mortality rate is