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NTA Abhyas NEET2020BotanyPlant - Growth and DevelopmentPractice

Which of the following is incorrect about plant hormones?

Options

  1. AThey influence plant growth and development at low concentrations.
  2. BAbscisic acid is growth retarding hormone
  3. CThey are organic compounds.
  4. DEthylene decreases the respiration rate in fruits.

Correct answer

D. Ethylene decreases the respiration rate in fruits.

Step-by-step solution

Ethylene is highly effective in fruit ripening. It enhances the respiration rate during the ripening of the fruits. This rise in the rate of respiration is called respiratory climactic.

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