Downstream Processing – Section 1

16. If the solute passes through the membrane freely, the rejection coefficient (s) is

A. 1
B. 0
C. >1
D. <1

Correct Answer: B. 0

17. If the membrane rejects all solute, the rejection coefficient (s) is

A. 1
B. 0
C. >1
D. <1

Correct Answer: A. 1

18. In antibiotic manufacturing processes, the fermentation time ranges from

A. 2-3 weeks
B. 1-2 weeks
C. 4-5 weeks
D. 2-4 weeks

Correct Answer: C. 4-5 weeks

19. The conventional filtration involves the separation of large particles generally

A. dp>5μm
B. dp>10μm
C. dp>15μm
D. dp>20μm

Correct Answer: B. dp>10μm

20. Which of the operation does not come under upstream processing?

A. Media preparation
B. Inoculum development
C. Effluent treatment
D. Storage of raw material

Correct Answer: C. Effluent treatment

Leave A Comment?

18 + two =