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STD 12 - 9. biotechnology principlas and process — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
Which of the following statements is incorrect?
  • A
    Most commonly used bio-reactors are of stirring type
  • ✓
     Bio-reactors are used to produce small scale bacterial cultures
  • C
    Bio-reactors have an agitator system, an oxygen delivery system and foam control system
  • D
    A bio-reactor provides optimal growth conditions for achieving the desired product
✓

Answer

Correct option: B.
 Bio-reactors are used to produce small scale bacterial cultures
b
Correct answer is option ($2$)

The statement ($2$) is incorrect because bioreactors are used for processing of large volumes ( $100 - 1000$ litres) of culture.

Small volume cultures cannot yield appreciable quantities of products. To produce in large quantities the development of bioreactors is required.

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