Microbial Biotechnology MCQ Questions & Answers | Biotechnology Page-2 section-1

11.
Which of the following essential element(s) is/are required as major supplement to enhance the bioremediation of oil spills by the resident bacteria?

A. Sulfur

B. Nitrogen and phosphorus

C. Iron

D. Carbon

Answer & Solution Discuss in Board Save for Later

12.
Match the industrial application of the following enzymes.

Group I Group II

P. Penicillinase 1. Pharmaceutical

Q. Pectinase 2. Leather

R. Trypsin 3. Wine

S. Rennin 4. Dairy

A. P-4, Q-3, R-1, S-2

B. P-1, Q-3, R-2, S-4

C. P-1, Q-2, R-3, S-4

D. P-4, Q-2, R-3, S-1

Answer & Solution Discuss in Board Save for Later

13.
Match the commercial microbial sources in Group I with the products in Group II.

Group I Group II

P. Corynebacterium lilium 1. 2, 3-Butane di-ol

Q. Klebsiella oxytoca 2. Poly-β-hydroxybutyric acid

R. Aspergillus niger 3. Glutamic acid

S. Alcaligenes eutrophus 4. Citric acid

A. P-3, Q-1, R-2, S-4

B. P-3, Q-1, R-4, S-2

C. P-1, Q-3, R-2, S-4

D. P-1, Q-3, R-4, S-2

Answer & Solution Discuss in Board Save for Later

14.
Match enzymes in Group I with their corresponding industrial application in Group II.

Group I Group II

P. Amylase 1. Laundry detergent

Q. Invertase 2. Fruit juice clarification

R. Pectinase 3. Liquefaction of sucrose

S. Xylanase 4. Pulp and paper processing

A. P-2, Q-3, R-4, S-1

B. P-1, Q-3, R-2, S-4

C. P-1, Q-2, R-3, S-4

D. P-1, Q-4, R-2, S-3

Answer & Solution Discuss in Board Save for Later

15.
In secondary metabolism, two distinct phases - trophophase and idiophase refer, respectively, to

A. Growth and production phase

B. Early and late phase

C. Primary and secondary metabolism

D. Lag phase and log phase

Answer & Solution Discuss in Board Save for Later

16.
The two columns given below indicate some of the fermentation products and the microbial cultures used for their production. Identify the correct set of groups from the four options.

Fermentation products Microbial cultures

P. Ethanol 1. Aspergillus niger

Q. Streptomycin 2. Zymomonas mobilis

R. Citric acid 3. Streptomyces griseus

S. Cellulase 4. Trichoderma reesei

A. P-1, Q-2, R-3, S-4

B. P-2, Q-3, R-1, S-4

C. P-2, Q-3, R-4, S-1

D. P-4, Q-3, R-2, S-1

Answer & Solution Discuss in Board Save for Later

17.
Match the following marker genes in Group I with suitable selecting agent in Group II.

Group I Group II

P. nptII 1. Glyphosate

Q. aroA 2. Phosphinothricin

R. hpt 3. Kanamycin

S. bar 4. Hygromycin B

A. P-1, Q-2, R-4, S-3

B. P-3, Q-2, R-4, S-1

C. P-2, Q-3, R-4, S-1

D. P-3, Q-1, R-4, S-2

Answer & Solution Discuss in Board Save for Later

18.
During a positive-negative selection process, transformed animal cells expressing . . . . . . . . are killed in presence of ganciclovir in the medium.

A. Pyruvate kinase

B. Viral thymidine kinase

C. Viral serine/threonine kinase

D. Viral tyrosine kinase

Answer & Solution Discuss in Board Save for Later

19.
Microbes bring about biological transformation of xenobiotic compounds by

A. Degradation

B. Conjugation

C. Detoxification

D. All of the above

Answer & Solution Discuss in Board Save for Later

20.
Match the products in Group I with their producer organisms in Group II.

Group I Group II

P. Ethanol from glucose 1. Aspergillus niger

Q. Probiotics 2. Leuconostoc mesenteroides

R. Citric acid 3. Saccharomyces cerevisiae

S. Sauerkraut 4. Bifidobacterium

A. P-1, Q-3, R-2, S-4

B. P-3, Q-4, R-1, S-2

C. P-3, Q-4, R-2, S-1

D. P-1, Q-4, R-3, S-2

Answer & Solution Discuss in Board Save for Later

Group I	Group II
P. Penicillinase	1. Pharmaceutical
Q. Pectinase	2. Leather
R. Trypsin	3. Wine
S. Rennin	4. Dairy

Group I	Group II
P. Corynebacterium lilium	1. 2, 3-Butane di-ol
Q. Klebsiella oxytoca	2. Poly-β-hydroxybutyric acid
R. Aspergillus niger	3. Glutamic acid
S. Alcaligenes eutrophus	4. Citric acid

Group I	Group II
P. Amylase	1. Laundry detergent
Q. Invertase	2. Fruit juice clarification
R. Pectinase	3. Liquefaction of sucrose
S. Xylanase	4. Pulp and paper processing

Fermentation products	Microbial cultures
P. Ethanol	1. Aspergillus niger
Q. Streptomycin	2. Zymomonas mobilis
R. Citric acid	3. Streptomyces griseus
S. Cellulase	4. Trichoderma reesei

Group I	Group II
P. nptII	1. Glyphosate
Q. aroA	2. Phosphinothricin
R. hpt	3. Kanamycin
S. bar	4. Hygromycin B

Group I	Group II
P. Ethanol from glucose	1. Aspergillus niger
Q. Probiotics	2. Leuconostoc mesenteroides
R. Citric acid	3. Saccharomyces cerevisiae
S. Sauerkraut	4. Bifidobacterium

Microbial Biotechnology MCQ Questions & Answers | Biotechnology

11. Which of the following essential element(s) is/are required as major supplement to enhance the bioremediation of oil spills by the resident bacteria?

Answer & Solution

12. Match the industrial application of the following enzymes. Group I Group II P. Penicillinase 1. Pharmaceutical Q. Pectinase 2. Leather R. Trypsin 3. Wine S. Rennin 4. Dairy

Answer & Solution

13. Match the commercial microbial sources in Group I with the products in Group II. Group I Group II P. Corynebacterium lilium 1. 2, 3-Butane di-ol Q. Klebsiella oxytoca 2. Poly-β-hydroxybutyric acid R. Aspergillus niger 3. Glutamic acid S. Alcaligenes eutrophus 4. Citric acid

Answer & Solution

14. Match enzymes in Group I with their corresponding industrial application in Group II. Group I Group II P. Amylase 1. Laundry detergent Q. Invertase 2. Fruit juice clarification R. Pectinase 3. Liquefaction of sucrose S. Xylanase 4. Pulp and paper processing

Answer & Solution

15. In secondary metabolism, two distinct phases - trophophase and idiophase refer, respectively, to

Answer & Solution

Answer & Solution

17. Match the following marker genes in Group I with suitable selecting agent in Group II. Group I Group II P. nptII 1. Glyphosate Q. aroA 2. Phosphinothricin R. hpt 3. Kanamycin S. bar 4. Hygromycin B

Answer & Solution

18. During a positive-negative selection process, transformed animal cells expressing . . . . . . . . are killed in presence of ganciclovir in the medium.

Answer & Solution

19. Microbes bring about biological transformation of xenobiotic compounds by

Answer & Solution

20. Match the products in Group I with their producer organisms in Group II. Group I Group II P. Ethanol from glucose 1. Aspergillus niger Q. Probiotics 2. Leuconostoc mesenteroides R. Citric acid 3. Saccharomyces cerevisiae S. Sauerkraut 4. Bifidobacterium

Answer & Solution

11.
Which of the following essential element(s) is/are required as major supplement to enhance the bioremediation of oil spills by the resident bacteria?

12.
Match the industrial application of the following enzymes.

Group I Group II

P. Penicillinase 1. Pharmaceutical

Q. Pectinase 2. Leather

R. Trypsin 3. Wine

S. Rennin 4. Dairy

13.
Match the commercial microbial sources in Group I with the products in Group II.

Group I Group II

P. Corynebacterium lilium 1. 2, 3-Butane di-ol

Q. Klebsiella oxytoca 2. Poly-β-hydroxybutyric acid

R. Aspergillus niger 3. Glutamic acid

S. Alcaligenes eutrophus 4. Citric acid

14.
Match enzymes in Group I with their corresponding industrial application in Group II.

Group I Group II

P. Amylase 1. Laundry detergent

Q. Invertase 2. Fruit juice clarification

R. Pectinase 3. Liquefaction of sucrose

S. Xylanase 4. Pulp and paper processing

15.
In secondary metabolism, two distinct phases - trophophase and idiophase refer, respectively, to

17.
Match the following marker genes in Group I with suitable selecting agent in Group II.

Group I Group II

P. nptII 1. Glyphosate

Q. aroA 2. Phosphinothricin

R. hpt 3. Kanamycin

S. bar 4. Hygromycin B

18.
During a positive-negative selection process, transformed animal cells expressing . . . . . . . . are killed in presence of ganciclovir in the medium.

19.
Microbes bring about biological transformation of xenobiotic compounds by

20.
Match the products in Group I with their producer organisms in Group II.

Group I Group II

P. Ethanol from glucose 1. Aspergillus niger

Q. Probiotics 2. Leuconostoc mesenteroides

R. Citric acid 3. Saccharomyces cerevisiae

S. Sauerkraut 4. Bifidobacterium