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Choose the correct statement.
 

Option: 1

Auxins are strongly acidic growth hormones
 


Option: 2

Auxins have a saturated ring structure 
 


Option: 3

Auxin application can retard cell elongation
 


Option: 4

Indole 3-acetic acid (IAA) is the universal natural auxin
 


Answers (1)

best_answer
 

Auxins are weakly acidic growth hormones having an unsaturated ring structure and capable of promoting cell elongation. Indole 3-acetic acid (IAA) is the universal natural auxin. It was discovered by Kogl et al.

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shivangi.shekhar

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