E-PolyLearning

1. Which of the following is not a desired characteristic of the organism to be used for industrial application?
a. should produce less amount of product
b. should be readily available
c. should grow rapidly
d. should be nonpathogenic
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Answer: (a).should produce less amount of product

2. Industrial fermentation are performed in large tanks of capacity ______________
a. 100 gal
b. 1000 gal
c. 50,000 gal
d. 10,000 gal
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Answer: (c).50,000 gal

3. Solvents and enzymes are found in which of the following categories of microbial products?
a. Pharmaceutical chemicals
b. Commercially valuable chemicals
c. Food supplements
d. Alcoholic beverages
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Answer: (b).Commercially valuable chemicals

4. Which of the following enzymes cut the DNA molecule at particular nucleotide sequence?
a. restriction endonuclease
b. exonuclease
c. ligase
d. polymerase
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Answer: (a).restriction endonuclease

5. Eco R1 cuts the plasmid DNA and the donor DNA such that both the ends are same.
a. True
b. False
c. May be
d. Can't say
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Answer: (b).False

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