Biotechnology - Media Required for Plant Cell Culture - Discussion

Discussion :: Media Required for Plant Cell Culture - Section 1 (Q.No.11)

11. 

Which is/are the naturally occurring plant auxins?

[A]. Indole acetic acid (IAA)
[B]. Naphthalenacetic acid (NAA)
[C]. 2,4-dichlorophenoxyacetic acid
[D]. All of the above

Answer: Option A

Explanation:

No answer description available for this question.

Praveen said: (Apr 18, 2012)  
NAA is synthetic auxin where as IAA is natural auxin.
Given answer is wrong

Kgul said: (Nov 26, 2015)  
Naphthalenacetic acid (NAA) is synthetic.

Rathi said: (Dec 5, 2015)  
The four naturally occurring (endogenous) auxins are IAA, 4-chloroindole-3-acetic acid, phenylacetic acid, and indole-3-butyric acid; only these four were found to be synthesized by plants.

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