Industrially Useful Microbial Processes – Section 2

36. Cephalosporin an antibiotic closely related to penicillin in structure and antibiotic activity are produced by species of

A. Cephalosporium
B. Cephalospodium
C. Pseudomonas
D. Bacillus

Correct Answer: B. Cephalospodium

37. The production of alcohol from lactose of whey is generally carried out by

A. Saccharomyces cerevisiae
B. Candida pseudotropicalis
C. Candida utilis
D. none of these

Correct Answer: B. Candida pseudotropicalis

38. Which of the following is not a principal media for industrial alcohol production by fermentation?

A. Blackstrap molasses
B. Sulfite waste liquor
C. Wood waste
D. Glucose

Correct Answer: D. Glucose

39. The first commercial fermentation carried out to obtain L-lysine is known as

A. dual fermentation
B. indirect fermentation
C. direct fermentation
D. both (a) and (b)

Correct Answer: D. both (a) and (b)

40. The precursor of Penicillin G is

A. phenoxy acetic acid
B. phenylacetic acid
C. hydroxy phenylacetic acid
D. none of these

Correct Answer: B. phenylacetic acid

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