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Media Required for Plant Cell Culture - Medical Science

Q1:

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

ANS:A - Indole acetic acid (IAA)

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