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Which of the following is the first isolated gibberellic acid ? 

Option: 1



Option: 2


Option: 3



Option: 4


Answers (1)


The first gibberellic acid to be isolated and identified was actually gibberellic acid GA3 that is C19H22O6.

It was isolated from the fungus Gibberella fujikuroi by Teijiro Yabuta and Sumuki Takeuchi in 1935. GA3 is one of the most commonly studied and utilized forms of gibberellic acid in plant research and agriculture. Later, other gibberellins, including GA1, were also identified and found to play important roles in plant growth and development.

Option 1 is the correct answer. 


Posted by

Suraj Bhandari

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