Industrial Microbiology Questions and Answers Pdf - 1

Question: 1

Vinegar fermentation involves

(A) Yeasts with butric acid bacteria

(B) Yeasts with acetic acid bacteria

(C) Yeasts with lactic bacteria

(D) Yeasts only

Question: 2

Basic principle in industrial microbiology is

(A) Fermentation

(B) Suitable growth conditions

(C) Providing aseptic conditions

(D) All of these

Question: 3

For the production of ethanol the raw material used is

(A) Sulphite waste liquor

(B) Molasses

(C) Cellulose

(D) None of these

Question: 4

Clostridium acetobutylicum is used for the production of

(A) Acetone-Butanol

(B) Ethanol

(C) Vitamin-B12

(D) None of these

Question: 5

Aspergillus niger is used generally for the production of

(A) Ethanol

(B) Penicillin

(C) Lactic acid

(D) Citric acid