Biological Classification — BIOLOGY STD 11 Science — Question

 $\begin{array}{|l|l|} \hline Column\,\,-I  & Column\,\,-II \\ \hline A.\,\,F.\,\,W.\,\,went & 1.\,\,Kinetin \\ \hline B.\,\,E.\,\,Kurosawa & 2.\,\,Gibberellin\,\,acid \\ \hline C.\,\,Skoog\,\,and\,\,Miller & 3.\,\,Auxin \\ \hline D.\,\,Cousin  & 4.\,\,Ethylene \\ \hline \end{array}$

$A - B - C - D$

$R$- These factors are regulate the activity of enzyme