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NEET 2009
Exam
NEET
Year
2009
Subject
Botany
Chapter
Plant - Growth and Development

NEET 2009 · Botany · Plant - Growth and Development

One of the synthetic auxin is

One of the synthetic auxin is

Options

  1. ANAA
  2. BIAA
  3. CGA
  4. DIBA

Correct answer

A. NAA

Step-by-step solution

The term auxin is applied to the indole-3-acetic acid (IAA) and to other natural and synthetic compounds having certain growth regulating properties. NAA (Naphthalene Acetic Acid) and 2,4-D (2,4- dichlorophenoxy acetic acid) are synthetic auxins. IAA and IBA (Indole Butyric Acid) have been isolated from plants. All these auxins have been used extensively in agricultural and horticultural practices.
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