Biotechnology and its ApplicationMedium
Question
Which of the following statements is incorrect?
Options
A.Bio-reactors are used to produce small scale bacterial cultures
B.Bio-reactors have an agitator system, an oxygen delivery system and foam control system
C.A bio-reactor provides optimal growth conditions for achieving the desired product
D.Most commonly used bio-reactors are of stirring type
Solution
Sol. [Key Concept: Bioreactors and culture scale]
Option (1) is the intended incorrect statement: the biotechnology application described is large scale culture and product formation, commonly illustrated by vessels of 100–1000 litres. Agitation, oxygen delivery, foam control and control of growth conditions support production. Bioreactors also exist at laboratory scale; the question tests their large scale production role rather than an absolute ban on small vessels.
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