Growth: Phases and Types · NCERT Biology

A sigmoid curve is a characteristic of which of the following?

  1. Cells growing in culture with unlimited nutrients
  2. Any organism growing in a natural environment
  3. Root elongation in the zone of cell division
  4. Only the initial lag phase of growth
Show answer and explanation

Correct answer: Any organism growing in a natural environment

The S-curve or sigmoid curve is typical for all living organisms growing in a natural environment. It consists of a lag phase, a log/exponential phase, and a stationary phase.

Difficulty: Medium Question 8 of 20

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