A) sigmoid
B) zig-zag
C) linear
D) inverted bell-shaped
Correct Answer: A
Solution :
Growth curve is the graphic representation of total growth against time. The usual growth curve is sigmoid (S-shaped). It consists of three phases. (i) Lag phase: The growth during this period is slow but steady. (ii) Log phase: During this period the growth is rapid. It is logarithmic phase or exponential phase. (iii) Stationary phase: During this period the growth activity declining.
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