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Plant Growth and Development question

2015 · Q3
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Plant Growth and Development question

2015 · Q3

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
Typical growth curve in plants is
  1. A
    stair-steps shaped
  2. B
    parabolic
  3. C
    sigmoid
  4. D
    linear.
View written solutionFree

Correct answer: C

Geometric growth cannot be sustained for long in natural condition. Limited nutrient availability slows down the growth. It leads to a stationary phase or even a decline. Plotting the growth against time, gives a typical sigmoid or S-curve. Sigmoid curve of growth is typical of most organisms in their natural environment including plants.
An idealised sigmoid growth curve is drawn below:

AIPMT 2015 Cancelled Paper Biology - Plant Growth and Development Question 65 English Explanation

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