1. The other name of invertase enzyme is

A. sucrase
B. saccharase
C. isomerase
D. both (a) and (b)

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2. Neomycin-B is obtained from

A. Streptomyces niveus
B. Streptomyces fradiae
C. Streptomyces spheroides
D. Streptomyces griseus

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3. Which of the following cephalosporin is more active than penicillin against various species of Salmonella?

A. Cephalosporin N
B. Cephalosporin C
C. Synnematin
D. Both (a) and (c)

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4. The penicillin F which was produced at first required the mold

A. Penicillium chrysogenum
B. Penicillium notatum
C. Penicillium chrysogenum Q176
D. none of the above

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5. Amyloglucosidase is used in glucose production. It is produced by

A. Rhizopus niveus
B. Endomycopsis fibuligera
C. Sclerotina libertina
D. both (a) and (b)

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