Bioprocess Technology - Questions and Answers for Competitive Exams | GkSeries

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Questions
1. What are the biopolymers constitute the major structural elements of living cells?
  • [A] Proteins
  • [B] Nucleic acids
  • [C] Lipid
  • [D] All

Answer: Option [D]

2. Which of the following is NOT a method for gene transfer in bacteria?
  • [A] Translocation
  • [B] Conjugation
  • [C] Transformation
  • [D] Transduction

Answer: Option [A]

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3. The cell wall of the prokaryotes is unique and is composed of ________.
  • [A] Cellulose
  • [B] Peptidoglycans.
  • [C] Fungus cellulose
  • [D] Peptide

Answer: Option [B]

4. Which of the following methods is used to determine bacterial numbers?
  • [A] Turbidity
  • [B] Serial dilution.
  • [C] Direct microscopic counts.
  • [D] All the above.

Answer: Option [D]

5. The primary bond of protein is _______ bond.
  • [A] Ionic
  • [B] Hydrophobic
  • [C] Peptide
  • [D] Disulfide

Answer: Option [C]

6. Which of the following amino acids is the smallest of all amino acids?
  • [A] Gly.
  • [B] Val.
  • [C] Ala.
  • [D] Ser.

Answer: Option [A]

7. Which of the following amino acids is actually an imino acid?
  • [A] Glu.
  • [B] Ala.
  • [C] Pro.
  • [D] Trp.

Answer: Option [C]

8. The two repeating subunits of the peptidoglycan layer are __________.
  • [A] N-acetyl glucosamine.
  • [B] N-acetyl muramic acid.
  • [C] N-acetyl glycosamine
  • [D] Both (A) and (B).

Answer: Option [D]

9. Organisms that can tolerate very low pH conditions are called ______.
  • [A] acidophiles
  • [B] thermophiles
  • [C] hyperthermophiles
  • [D] alkalinophiles

Answer: Option [A]

10. Which of the following belongs to continuous culture?
  • [A] Turbidostat
  • [B] Chemostat
  • [C] Both (A) and (B).
  • [D] All the above.

Answer: Option [D]

11. A culture medium which contains known specific kinds and amounts of chemicals is a _______ medium.
  • [A] liquid
  • [B] solid
  • [C] selective
  • [D] defined synthetic.

Answer: Option [D]

12. Temperatures can control bacteria because of _________.
  • [A] freezing
  • [B] denature protein.
  • [C] melting
  • [D] no reaction

Answer: Option [B]

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