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NEETBotanyPlant - Growth and Development

In most situations, how does ABA interact with gibberellins (GAs)?

Options

  1. AAs a promoter of GAs
  2. BAs a synergistic agent with GAs
  3. CAs an antagonist to GAs
  4. DAs an enhancer of GAs

Correct answer

C. As an antagonist to GAs

Step-by-step solution

ABA stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stresses. Therefore, it is also called the stress hormone. ABA acts as an antagonist to GAs. ABA helps seeds to withstand desiccation and other factors unfavourable for growth.ABA helps seeds to withstand desiccation and other factors unfavourable for growth.

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