Bioprocess Technology - Questions and Answers for Competitive Exams | GkSeries

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]

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]