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Plant Growth and Development question

2010 · Q11
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Plant Growth and Development question

2010 · Q11

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
Root development is promoted by
  1. A
    abscisic acid
  2. B
    auxin
  3. C
    gibberellin
  4. D
    ethylene.
View written solutionFree

Correct answer: D

Ethylene promotes root growth and root hair formation. In low concentration ethylene is used for initiation of roots and also of lateral roots.

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