1. The other name of invertase enzyme is

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

2. Neomycin-B is obtained from

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

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)

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

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)