Question

If the rate of addition of new members increases with respect to the individual host of the same population, then the graph obtained has

(a) zero population growth

(b) declined growth

(c) exponential growth

(d) none of these.

Answer 1

Correct option (c) exponential growth

Explanation :

Growth curve is the graphic representation of the total growth against time. If total growth (of an organism or population) against time is drawn an S - shaped or sigmoid curve is obtained.

It consists of tour parts - lag phase, log phase (exponential phase), phase of diminishing growth and stationary phase. Growth is slow in the lag phase, rapid during log or exponential phase, slow again during the phase of diminishing growth.