Air used in aerobic fermentation must be sterilized, otherwise the ___________________?
Correct answer: D. Contamination of pure culture would result
- A. Recovery of product will be difficult
- B. None of these
- C. Uniformity of product cannot be achieved
- D. Contamination of pure culture would result
Explanation
Unsterilized air can introduce unwanted microorganisms into the fermenter, contaminating the carefully maintained pure culture. This contamination may consume nutrients and spoil the product.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Lime and soda ash are added to water to remove ___________________?
Process conditions in fermentator used for production of penicillin is____________________?
Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?
Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?
Prussian blue is chemically represented by__________________?
Molasses is the starting material for the production of ___________________ ?