Bioprocess Technology - Questions and Answers for Competitive Exams | GkSeries

25. What is gene therapy?

• [A] Pre-clinical testing for inherited diseases in newborns
• [B] Treatment of diseases caused by genetic defect using genes.
• [C] Genetic engineering using recombinant DNA technology.
• [D] Cancer treatment using in vitro cultured stem cells.

Answer: Option [B]

26. Which of the following is NOT an archaebacteria?

• [A] Halophiles
• [B] Methanogens.
• [C] Cyanobacteria
• [D] Thermophiles

Answer: Option [C]

27. Potential source of hyaluronic acid is ________

• [A] Streptococcus sp.
• [B] Staphylococcus sp.
• [C] Micrococcus sp
• [D] Bacillus sp.

Answer: Option [A]

28. The tools of genetic engineering allow us to manipulate ________ directly

• [A] RNA
• [B] DNA
• [C] cell membranes.
• [D] cell wall.

Answer: Option [B]

29. ________ obtains energy by oxidation of organic and inorganic compounds

• [A] Phototrophs.
• [B] Chemotrophs
• [C] Autotrophs
• [D] Heterotrophs

Answer: Option [B]

30. _____ use reduced organic molecules as carbon source.

• [A] Organotrophs
• [B] Heterotrophs
• [C] Autotrophs
• [D] Lithotrophs

Answer: Option [B]

31. Concentration of nitrogen source normally supplied in growth media is _____g/L.

• [A] 0.5.
• [B] 2.
• [C] 6
• [D] 10.

Answer: Option [B]

32. Concentration of trace elements is ________ mg/L

• [A] 0.5.
• [B] 1.5.
• [C] 2.5.
• [D] 3.5.

Answer: Option [A]

33. Trace element needed under specific growth conditions is _______.

• [A] Co
• [B] Be/li>
• [C] Ti
• [D] Al

Answer: Option [A]

34. Which one of the following represents carbon source?

• [A] Corn syrup.
• [B] Corn steep liquor.
• [C] soya meal.
• [D] Groundnut meal.

Answer: Option [A]

35. Degree of reduction of oxygen is ______.

• [A] 2.
• [B] -2.
• [C] 6.
• [D] -6.

Answer: Option [B]

36. What is the degree of reduction of sulfur?

• [A] 2.
• [B] 4.
• [C] 6.
• [D] 8.

Answer: Option [C]