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NEET2019BotanyPlant - Growth and DevelopmentActual

Which hormone inhibits morphogenesis?

Options

  1. AABA
  2. B2,4- D
  3. CJasmonic acid
  4. DIBA

Correct answer

A. ABA

Step-by-step solution

Abscisic acid is a mildly acidic dextrorotatory cis sesquiterpene growth hormone which functions as a general growth inhibitor by counteracting other hormones (auxin, gibberellins, cytokinins) or reactions mediated by them. Abscisic acid is known as dormin as it induces dormancy in buds, underground stems and seeds.

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