# GATE2018-39

Match the industrial products mentioned in Group I with their producer organisms in Group II

$\begin{array}{|l|l|l|l|} \hline & \textbf{Group I} && \textbf{Group II} \\ \hline P. & \text{Citric acid} & 1. & \textit{Trichoderma viride} \\ \hline Q. & \text{Cellulase} & 2. & \textit{Clostridium acetobutylicum} \\ \hline R. & \text{Vitamin} B_{12} & 3. & \textit{Aspergillus niger} \\ \hline S. & \text{Butanol} & 4. & \textit{Propionibacterium freudenreichii} \\ \hline \end{array}$

1. $\text{P- 4, Q- 3, R- 1, S-2}$
2. $\text{P- 3, Q- 1, R- 2, S-4}$
3. $\text{P-2, Q- 1, R- 4, S-3}$
4. $\text{P- 3, Q- 1, R- 4, S-2}$

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