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Column I Column II
(a) Aspergillus niger (i) Lactic acid
(b) Acetobacter aceti (ii) Butyric acid
(c) Clostridium butylicum (iii) Acetic acid
(d) Lactobalillus lactis (iv) Citric acid

(a) (b) (c) (d)
(1) iv ii iii i
(2) iv i iii ii
(3) iv iii i ii
(4) iv iii ii i

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answer is D.

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Detailed Solution

Aspergillus niger - Citric acid

Acetobacter aceti - Acetic acid

Clostridium butylicum - Butyric acid

Lactobalillus lactis - Lactic acid

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