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MCQs

Total Questions : 195 | Page 1 of 20 pages
Question 1. Which of the following is not a desired characteristic of the organism to be used for industrial application?
  1.    should produce less amount of product
  2.    should be readily available
  3.    should grow rapidly
  4.    should be nonpathogenic
 Discuss Question
Answer: Option A. -> should produce less amount of product
Answer: (a).should produce less amount of product
Question 2. Which of the following enzymes cut the DNA molecule at particular nucleotide sequence?
  1.    restriction endonuclease
  2.    exonuclease
  3.    ligase
  4.    polymerase
 Discuss Question
Answer: Option A. -> restriction endonuclease
Answer: (a).restriction endonuclease
Question 3. Eco R1 cuts the plasmid DNA and the donor DNA such that both the ends are same.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 4. Industrial fermentation are performed in large tanks of capacity ______________
  1.    100 gal
  2.    1000 gal
  3.    50,000 gal
  4.    10,000 gal
 Discuss Question
Answer: Option C. -> 50,000 gal
Answer: (c).50,000 gal
Question 5. Solvents and enzymes are found in which of the following categories of microbial products?
  1.    Pharmaceutical chemicals
  2.    Commercially valuable chemicals
  3.    Food supplements
  4.    Alcoholic beverages
 Discuss Question
Answer: Option B. -> Commercially valuable chemicals
Answer: (b).Commercially valuable chemicals
Question 6. The transfer of naked DNA from one cell to another is referred to as _______________
  1.    Transduction
  2.    Lysogeny
  3.    Transformation
  4.    Conjugation
 Discuss Question
Answer: Option C. -> Transformation
Answer: (c).Transformation
Question 7. What are bacteriocins?
  1.    proteins
  2.    toxins
  3.    plasmid
  4.    sex factor
 Discuss Question
Answer: Option A. -> proteins
Answer: (a).proteins
Question 8. Mating between species is necessary for recombination to take place.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 9. The cell in which the F factor carries along with it some chromosomal genes are known as ____________
  1.    F+ cell
  2.    F— cell
  3.    F’ cell
  4.    F’’’ cell
 Discuss Question
Answer: Option C. -> F’ cell
Answer: (c).F’ cell
Question 10. The first demonstration of recombination in bacteria was achieved by _______________
  1.    Lederberg and Tatum
  2.    Luria and Delbruck
  3.    Joshua and Lederberg
  4.    Luria and Tatum
 Discuss Question
Answer: Option A. -> Lederberg and Tatum
Answer: (a).Lederberg and Tatum

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